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Annotation of src/usr.bin/sqlite3/shell.c, Revision 1.1.1.7

1.1       espie       1: /*
                      2: ** 2001 September 15
                      3: **
                      4: ** The author disclaims copyright to this source code.  In place of
                      5: ** a legal notice, here is a blessing:
                      6: **
                      7: **    May you do good and not evil.
                      8: **    May you find forgiveness for yourself and forgive others.
                      9: **    May you share freely, never taking more than you give.
                     10: **
                     11: *************************************************************************
                     12: ** This file contains code to implement the "sqlite" command line
                     13: ** utility for accessing SQLite databases.
                     14: */
                     15: #if (defined(_WIN32) || defined(WIN32)) && !defined(_CRT_SECURE_NO_WARNINGS)
                     16: /* This needs to come before any includes for MSVC compiler */
                     17: #define _CRT_SECURE_NO_WARNINGS
                     18: #endif
                     19:
                     20: /*
                     21: ** Enable large-file support for fopen() and friends on unix.
                     22: */
                     23: #ifndef SQLITE_DISABLE_LFS
                     24: # define _LARGE_FILE       1
                     25: # ifndef _FILE_OFFSET_BITS
                     26: #   define _FILE_OFFSET_BITS 64
                     27: # endif
                     28: # define _LARGEFILE_SOURCE 1
                     29: #endif
                     30:
                     31: #include <stdlib.h>
                     32: #include <string.h>
                     33: #include <stdio.h>
                     34: #include <assert.h>
                     35: #include "sqlite3.h"
                     36: #include <ctype.h>
                     37: #include <stdarg.h>
                     38:
1.1.1.4   espie      39: #if !defined(_WIN32) && !defined(WIN32)
1.1       espie      40: # include <signal.h>
                     41: # if !defined(__RTP__) && !defined(_WRS_KERNEL)
                     42: #  include <pwd.h>
                     43: # endif
                     44: # include <unistd.h>
                     45: # include <sys/types.h>
                     46: #endif
                     47:
                     48: #ifdef HAVE_EDITLINE
                     49: # include <editline/editline.h>
                     50: #endif
                     51: #if defined(HAVE_READLINE) && HAVE_READLINE==1
                     52: # include <readline/readline.h>
                     53: # include <readline/history.h>
                     54: #endif
                     55: #if !defined(HAVE_EDITLINE) && (!defined(HAVE_READLINE) || HAVE_READLINE!=1)
                     56: # define add_history(X)
                     57: # define read_history(X)
                     58: # define write_history(X)
                     59: # define stifle_history(X)
                     60: #endif
                     61:
                     62: #if defined(_WIN32) || defined(WIN32)
                     63: # include <io.h>
                     64: #define isatty(h) _isatty(h)
                     65: #define access(f,m) _access((f),(m))
1.1.1.4   espie      66: #undef popen
1.1.1.7 ! jturner    67: #define popen _popen
1.1.1.4   espie      68: #undef pclose
1.1.1.7 ! jturner    69: #define pclose _pclose
1.1       espie      70: #else
                     71: /* Make sure isatty() has a prototype.
                     72: */
                     73: extern int isatty(int);
                     74: #endif
                     75:
1.1.1.7 ! jturner    76: /* popen and pclose are not C89 functions and so are sometimes omitted from
        !            77: ** the <stdio.h> header */
        !            78: FILE *popen(const char*,const char*);
        !            79: int pclose(FILE*);
        !            80:
1.1       espie      81: #if defined(_WIN32_WCE)
                     82: /* Windows CE (arm-wince-mingw32ce-gcc) does not provide isatty()
                     83:  * thus we always assume that we have a console. That can be
                     84:  * overridden with the -batch command line option.
                     85:  */
                     86: #define isatty(x) 1
                     87: #endif
                     88:
                     89: /* True if the timer is enabled */
                     90: static int enableTimer = 0;
                     91:
                     92: /* ctype macros that work with signed characters */
                     93: #define IsSpace(X)  isspace((unsigned char)X)
                     94: #define IsDigit(X)  isdigit((unsigned char)X)
                     95: #define ToLower(X)  (char)tolower((unsigned char)X)
                     96:
1.1.1.6   landry     97: #if !defined(_WIN32) && !defined(WIN32) && !defined(_WRS_KERNEL) \
                     98:  && !defined(__minux)
1.1       espie      99: #include <sys/time.h>
                    100: #include <sys/resource.h>
                    101:
                    102: /* Saved resource information for the beginning of an operation */
                    103: static struct rusage sBegin;
                    104:
                    105: /*
                    106: ** Begin timing an operation
                    107: */
                    108: static void beginTimer(void){
                    109:   if( enableTimer ){
                    110:     getrusage(RUSAGE_SELF, &sBegin);
                    111:   }
                    112: }
                    113:
                    114: /* Return the difference of two time_structs in seconds */
                    115: static double timeDiff(struct timeval *pStart, struct timeval *pEnd){
                    116:   return (pEnd->tv_usec - pStart->tv_usec)*0.000001 +
                    117:          (double)(pEnd->tv_sec - pStart->tv_sec);
                    118: }
                    119:
                    120: /*
                    121: ** Print the timing results.
                    122: */
                    123: static void endTimer(void){
                    124:   if( enableTimer ){
                    125:     struct rusage sEnd;
                    126:     getrusage(RUSAGE_SELF, &sEnd);
                    127:     printf("CPU Time: user %f sys %f\n",
                    128:        timeDiff(&sBegin.ru_utime, &sEnd.ru_utime),
                    129:        timeDiff(&sBegin.ru_stime, &sEnd.ru_stime));
                    130:   }
                    131: }
                    132:
                    133: #define BEGIN_TIMER beginTimer()
                    134: #define END_TIMER endTimer()
                    135: #define HAS_TIMER 1
                    136:
                    137: #elif (defined(_WIN32) || defined(WIN32))
                    138:
                    139: #include <windows.h>
                    140:
                    141: /* Saved resource information for the beginning of an operation */
                    142: static HANDLE hProcess;
                    143: static FILETIME ftKernelBegin;
                    144: static FILETIME ftUserBegin;
                    145: typedef BOOL (WINAPI *GETPROCTIMES)(HANDLE, LPFILETIME, LPFILETIME, LPFILETIME, LPFILETIME);
                    146: static GETPROCTIMES getProcessTimesAddr = NULL;
                    147:
                    148: /*
                    149: ** Check to see if we have timer support.  Return 1 if necessary
                    150: ** support found (or found previously).
                    151: */
                    152: static int hasTimer(void){
                    153:   if( getProcessTimesAddr ){
                    154:     return 1;
                    155:   } else {
                    156:     /* GetProcessTimes() isn't supported in WIN95 and some other Windows versions.
                    157:     ** See if the version we are running on has it, and if it does, save off
                    158:     ** a pointer to it and the current process handle.
                    159:     */
                    160:     hProcess = GetCurrentProcess();
                    161:     if( hProcess ){
                    162:       HINSTANCE hinstLib = LoadLibrary(TEXT("Kernel32.dll"));
                    163:       if( NULL != hinstLib ){
                    164:         getProcessTimesAddr = (GETPROCTIMES) GetProcAddress(hinstLib, "GetProcessTimes");
                    165:         if( NULL != getProcessTimesAddr ){
                    166:           return 1;
                    167:         }
                    168:         FreeLibrary(hinstLib);
                    169:       }
                    170:     }
                    171:   }
                    172:   return 0;
                    173: }
                    174:
                    175: /*
                    176: ** Begin timing an operation
                    177: */
                    178: static void beginTimer(void){
                    179:   if( enableTimer && getProcessTimesAddr ){
                    180:     FILETIME ftCreation, ftExit;
                    181:     getProcessTimesAddr(hProcess, &ftCreation, &ftExit, &ftKernelBegin, &ftUserBegin);
                    182:   }
                    183: }
                    184:
                    185: /* Return the difference of two FILETIME structs in seconds */
                    186: static double timeDiff(FILETIME *pStart, FILETIME *pEnd){
                    187:   sqlite_int64 i64Start = *((sqlite_int64 *) pStart);
                    188:   sqlite_int64 i64End = *((sqlite_int64 *) pEnd);
                    189:   return (double) ((i64End - i64Start) / 10000000.0);
                    190: }
                    191:
                    192: /*
                    193: ** Print the timing results.
                    194: */
                    195: static void endTimer(void){
                    196:   if( enableTimer && getProcessTimesAddr){
                    197:     FILETIME ftCreation, ftExit, ftKernelEnd, ftUserEnd;
                    198:     getProcessTimesAddr(hProcess, &ftCreation, &ftExit, &ftKernelEnd, &ftUserEnd);
                    199:     printf("CPU Time: user %f sys %f\n",
                    200:        timeDiff(&ftUserBegin, &ftUserEnd),
                    201:        timeDiff(&ftKernelBegin, &ftKernelEnd));
                    202:   }
                    203: }
                    204:
                    205: #define BEGIN_TIMER beginTimer()
                    206: #define END_TIMER endTimer()
                    207: #define HAS_TIMER hasTimer()
                    208:
                    209: #else
                    210: #define BEGIN_TIMER
                    211: #define END_TIMER
                    212: #define HAS_TIMER 0
                    213: #endif
                    214:
                    215: /*
                    216: ** Used to prevent warnings about unused parameters
                    217: */
                    218: #define UNUSED_PARAMETER(x) (void)(x)
                    219:
                    220: /*
                    221: ** If the following flag is set, then command execution stops
                    222: ** at an error if we are not interactive.
                    223: */
                    224: static int bail_on_error = 0;
                    225:
                    226: /*
                    227: ** Threat stdin as an interactive input if the following variable
                    228: ** is true.  Otherwise, assume stdin is connected to a file or pipe.
                    229: */
                    230: static int stdin_is_interactive = 1;
                    231:
                    232: /*
                    233: ** The following is the open SQLite database.  We make a pointer
                    234: ** to this database a static variable so that it can be accessed
                    235: ** by the SIGINT handler to interrupt database processing.
                    236: */
                    237: static sqlite3 *db = 0;
                    238:
                    239: /*
                    240: ** True if an interrupt (Control-C) has been received.
                    241: */
                    242: static volatile int seenInterrupt = 0;
                    243:
                    244: /*
                    245: ** This is the name of our program. It is set in main(), used
                    246: ** in a number of other places, mostly for error messages.
                    247: */
                    248: static char *Argv0;
                    249:
                    250: /*
                    251: ** Prompt strings. Initialized in main. Settable with
                    252: **   .prompt main continue
                    253: */
                    254: static char mainPrompt[20];     /* First line prompt. default: "sqlite> "*/
                    255: static char continuePrompt[20]; /* Continuation prompt. default: "   ...> " */
                    256:
                    257: /*
                    258: ** Write I/O traces to the following stream.
                    259: */
                    260: #ifdef SQLITE_ENABLE_IOTRACE
                    261: static FILE *iotrace = 0;
                    262: #endif
                    263:
                    264: /*
                    265: ** This routine works like printf in that its first argument is a
                    266: ** format string and subsequent arguments are values to be substituted
                    267: ** in place of % fields.  The result of formatting this string
                    268: ** is written to iotrace.
                    269: */
                    270: #ifdef SQLITE_ENABLE_IOTRACE
                    271: static void iotracePrintf(const char *zFormat, ...){
                    272:   va_list ap;
                    273:   char *z;
                    274:   if( iotrace==0 ) return;
                    275:   va_start(ap, zFormat);
                    276:   z = sqlite3_vmprintf(zFormat, ap);
                    277:   va_end(ap);
                    278:   fprintf(iotrace, "%s", z);
                    279:   sqlite3_free(z);
                    280: }
                    281: #endif
                    282:
                    283:
                    284: /*
                    285: ** Determines if a string is a number of not.
                    286: */
                    287: static int isNumber(const char *z, int *realnum){
                    288:   if( *z=='-' || *z=='+' ) z++;
                    289:   if( !IsDigit(*z) ){
                    290:     return 0;
                    291:   }
                    292:   z++;
                    293:   if( realnum ) *realnum = 0;
                    294:   while( IsDigit(*z) ){ z++; }
                    295:   if( *z=='.' ){
                    296:     z++;
                    297:     if( !IsDigit(*z) ) return 0;
                    298:     while( IsDigit(*z) ){ z++; }
                    299:     if( realnum ) *realnum = 1;
                    300:   }
                    301:   if( *z=='e' || *z=='E' ){
                    302:     z++;
                    303:     if( *z=='+' || *z=='-' ) z++;
                    304:     if( !IsDigit(*z) ) return 0;
                    305:     while( IsDigit(*z) ){ z++; }
                    306:     if( realnum ) *realnum = 1;
                    307:   }
                    308:   return *z==0;
                    309: }
                    310:
                    311: /*
                    312: ** A global char* and an SQL function to access its current value
                    313: ** from within an SQL statement. This program used to use the
                    314: ** sqlite_exec_printf() API to substitue a string into an SQL statement.
                    315: ** The correct way to do this with sqlite3 is to use the bind API, but
                    316: ** since the shell is built around the callback paradigm it would be a lot
                    317: ** of work. Instead just use this hack, which is quite harmless.
                    318: */
                    319: static const char *zShellStatic = 0;
                    320: static void shellstaticFunc(
                    321:   sqlite3_context *context,
                    322:   int argc,
                    323:   sqlite3_value **argv
                    324: ){
                    325:   assert( 0==argc );
                    326:   assert( zShellStatic );
                    327:   UNUSED_PARAMETER(argc);
                    328:   UNUSED_PARAMETER(argv);
                    329:   sqlite3_result_text(context, zShellStatic, -1, SQLITE_STATIC);
                    330: }
                    331:
                    332:
                    333: /*
                    334: ** This routine reads a line of text from FILE in, stores
                    335: ** the text in memory obtained from malloc() and returns a pointer
                    336: ** to the text.  NULL is returned at end of file, or if malloc()
                    337: ** fails.
                    338: **
1.1.1.7 ! jturner   339: ** If zLine is not NULL then it is a malloced buffer returned from
        !           340: ** a previous call to this routine that may be reused.
1.1       espie     341: */
1.1.1.7 ! jturner   342: static char *local_getline(char *zLine, FILE *in){
        !           343:   int nLine = zLine==0 ? 0 : 100;
        !           344:   int n = 0;
1.1       espie     345:
                    346:   while( 1 ){
                    347:     if( n+100>nLine ){
                    348:       nLine = nLine*2 + 100;
                    349:       zLine = realloc(zLine, nLine);
                    350:       if( zLine==0 ) return 0;
                    351:     }
                    352:     if( fgets(&zLine[n], nLine - n, in)==0 ){
                    353:       if( n==0 ){
                    354:         free(zLine);
                    355:         return 0;
                    356:       }
                    357:       zLine[n] = 0;
                    358:       break;
                    359:     }
1.1.1.7 ! jturner   360:     while( zLine[n] ) n++;
        !           361:     if( n>0 && zLine[n-1]=='\n' ){
1.1       espie     362:       n--;
                    363:       if( n>0 && zLine[n-1]=='\r' ) n--;
                    364:       zLine[n] = 0;
                    365:       break;
                    366:     }
                    367:   }
                    368:   return zLine;
                    369: }
                    370:
                    371: /*
                    372: ** Retrieve a single line of input text.
                    373: **
1.1.1.7 ! jturner   374: ** If in==0 then read from standard input and prompt before each line.
        !           375: ** If isContinuation is true, then a continuation prompt is appropriate.
        !           376: ** If isContinuation is zero, then the main prompt should be used.
        !           377: **
        !           378: ** If zPrior is not NULL then it is a buffer from a prior call to this
        !           379: ** routine that can be reused.
        !           380: **
        !           381: ** The result is stored in space obtained from malloc() and must either
        !           382: ** be freed by the caller or else passed back into this routine via the
        !           383: ** zPrior argument for reuse.
1.1       espie     384: */
1.1.1.7 ! jturner   385: static char *one_input_line(FILE *in, char *zPrior, int isContinuation){
1.1       espie     386:   char *zPrompt;
                    387:   char *zResult;
                    388:   if( in!=0 ){
1.1.1.7 ! jturner   389:     zResult = local_getline(zPrior, in);
1.1       espie     390:   }else{
1.1.1.7 ! jturner   391:     zPrompt = isContinuation ? continuePrompt : mainPrompt;
1.1       espie     392: #if defined(HAVE_READLINE) && HAVE_READLINE==1
1.1.1.7 ! jturner   393:     free(zPrior);
        !           394:     zResult = readline(zPrompt);
        !           395:     if( zResult && *zResult ) add_history(zResult);
        !           396: #else
        !           397:     printf("%s", zPrompt);
        !           398:     fflush(stdout);
        !           399:     zResult = local_getline(zPrior, stdin);
1.1       espie     400: #endif
1.1.1.7 ! jturner   401:   }
1.1       espie     402:   return zResult;
                    403: }
                    404:
                    405: struct previous_mode_data {
                    406:   int valid;        /* Is there legit data in here? */
                    407:   int mode;
                    408:   int showHeader;
                    409:   int colWidth[100];
                    410: };
                    411:
                    412: /*
                    413: ** An pointer to an instance of this structure is passed from
                    414: ** the main program to the callback.  This is used to communicate
                    415: ** state and mode information.
                    416: */
                    417: struct callback_data {
                    418:   sqlite3 *db;           /* The database */
                    419:   int echoOn;            /* True to echo input commands */
                    420:   int statsOn;           /* True to display memory stats before each finalize */
                    421:   int cnt;               /* Number of records displayed so far */
                    422:   FILE *out;             /* Write results here */
1.1.1.2   espie     423:   FILE *traceOut;        /* Output for sqlite3_trace() */
1.1       espie     424:   int nErr;              /* Number of errors seen */
                    425:   int mode;              /* An output mode setting */
                    426:   int writableSchema;    /* True if PRAGMA writable_schema=ON */
                    427:   int showHeader;        /* True to show column names in List or Column mode */
                    428:   char *zDestTable;      /* Name of destination table when MODE_Insert */
                    429:   char separator[20];    /* Separator character for MODE_List */
                    430:   int colWidth[100];     /* Requested width of each column when in column mode*/
                    431:   int actualWidth[100];  /* Actual width of each column */
                    432:   char nullvalue[20];    /* The text to print when a NULL comes back from
                    433:                          ** the database */
                    434:   struct previous_mode_data explainPrev;
                    435:                          /* Holds the mode information just before
                    436:                          ** .explain ON */
                    437:   char outfile[FILENAME_MAX]; /* Filename for *out */
                    438:   const char *zDbFilename;    /* name of the database file */
                    439:   const char *zVfs;           /* Name of VFS to use */
                    440:   sqlite3_stmt *pStmt;   /* Current statement if any. */
                    441:   FILE *pLog;            /* Write log output here */
                    442: };
                    443:
                    444: /*
                    445: ** These are the allowed modes.
                    446: */
                    447: #define MODE_Line     0  /* One column per line.  Blank line between records */
                    448: #define MODE_Column   1  /* One record per line in neat columns */
                    449: #define MODE_List     2  /* One record per line with a separator */
                    450: #define MODE_Semi     3  /* Same as MODE_List but append ";" to each line */
                    451: #define MODE_Html     4  /* Generate an XHTML table */
                    452: #define MODE_Insert   5  /* Generate SQL "insert" statements */
                    453: #define MODE_Tcl      6  /* Generate ANSI-C or TCL quoted elements */
                    454: #define MODE_Csv      7  /* Quote strings, numbers are plain */
                    455: #define MODE_Explain  8  /* Like MODE_Column, but do not truncate data */
                    456:
                    457: static const char *modeDescr[] = {
                    458:   "line",
                    459:   "column",
                    460:   "list",
                    461:   "semi",
                    462:   "html",
                    463:   "insert",
                    464:   "tcl",
                    465:   "csv",
                    466:   "explain",
                    467: };
                    468:
                    469: /*
                    470: ** Number of elements in an array
                    471: */
                    472: #define ArraySize(X)  (int)(sizeof(X)/sizeof(X[0]))
                    473:
                    474: /*
                    475: ** Compute a string length that is limited to what can be stored in
                    476: ** lower 30 bits of a 32-bit signed integer.
                    477: */
                    478: static int strlen30(const char *z){
                    479:   const char *z2 = z;
                    480:   while( *z2 ){ z2++; }
                    481:   return 0x3fffffff & (int)(z2 - z);
                    482: }
                    483:
                    484: /*
                    485: ** A callback for the sqlite3_log() interface.
                    486: */
                    487: static void shellLog(void *pArg, int iErrCode, const char *zMsg){
                    488:   struct callback_data *p = (struct callback_data*)pArg;
                    489:   if( p->pLog==0 ) return;
                    490:   fprintf(p->pLog, "(%d) %s\n", iErrCode, zMsg);
                    491:   fflush(p->pLog);
                    492: }
                    493:
                    494: /*
                    495: ** Output the given string as a hex-encoded blob (eg. X'1234' )
                    496: */
                    497: static void output_hex_blob(FILE *out, const void *pBlob, int nBlob){
                    498:   int i;
                    499:   char *zBlob = (char *)pBlob;
                    500:   fprintf(out,"X'");
1.1.1.2   espie     501:   for(i=0; i<nBlob; i++){ fprintf(out,"%02x",zBlob[i]&0xff); }
1.1       espie     502:   fprintf(out,"'");
                    503: }
                    504:
                    505: /*
                    506: ** Output the given string as a quoted string using SQL quoting conventions.
                    507: */
                    508: static void output_quoted_string(FILE *out, const char *z){
                    509:   int i;
                    510:   int nSingle = 0;
                    511:   for(i=0; z[i]; i++){
                    512:     if( z[i]=='\'' ) nSingle++;
                    513:   }
                    514:   if( nSingle==0 ){
                    515:     fprintf(out,"'%s'",z);
                    516:   }else{
                    517:     fprintf(out,"'");
                    518:     while( *z ){
                    519:       for(i=0; z[i] && z[i]!='\''; i++){}
                    520:       if( i==0 ){
                    521:         fprintf(out,"''");
                    522:         z++;
                    523:       }else if( z[i]=='\'' ){
                    524:         fprintf(out,"%.*s''",i,z);
                    525:         z += i+1;
                    526:       }else{
                    527:         fprintf(out,"%s",z);
                    528:         break;
                    529:       }
                    530:     }
                    531:     fprintf(out,"'");
                    532:   }
                    533: }
                    534:
                    535: /*
                    536: ** Output the given string as a quoted according to C or TCL quoting rules.
                    537: */
                    538: static void output_c_string(FILE *out, const char *z){
                    539:   unsigned int c;
                    540:   fputc('"', out);
                    541:   while( (c = *(z++))!=0 ){
                    542:     if( c=='\\' ){
                    543:       fputc(c, out);
                    544:       fputc(c, out);
1.1.1.5   espie     545:     }else if( c=='"' ){
                    546:       fputc('\\', out);
                    547:       fputc('"', out);
1.1       espie     548:     }else if( c=='\t' ){
                    549:       fputc('\\', out);
                    550:       fputc('t', out);
                    551:     }else if( c=='\n' ){
                    552:       fputc('\\', out);
                    553:       fputc('n', out);
                    554:     }else if( c=='\r' ){
                    555:       fputc('\\', out);
                    556:       fputc('r', out);
                    557:     }else if( !isprint(c) ){
                    558:       fprintf(out, "\\%03o", c&0xff);
                    559:     }else{
                    560:       fputc(c, out);
                    561:     }
                    562:   }
                    563:   fputc('"', out);
                    564: }
                    565:
                    566: /*
                    567: ** Output the given string with characters that are special to
                    568: ** HTML escaped.
                    569: */
                    570: static void output_html_string(FILE *out, const char *z){
                    571:   int i;
                    572:   while( *z ){
                    573:     for(i=0;   z[i]
                    574:             && z[i]!='<'
                    575:             && z[i]!='&'
                    576:             && z[i]!='>'
                    577:             && z[i]!='\"'
                    578:             && z[i]!='\'';
                    579:         i++){}
                    580:     if( i>0 ){
                    581:       fprintf(out,"%.*s",i,z);
                    582:     }
                    583:     if( z[i]=='<' ){
                    584:       fprintf(out,"&lt;");
                    585:     }else if( z[i]=='&' ){
                    586:       fprintf(out,"&amp;");
                    587:     }else if( z[i]=='>' ){
                    588:       fprintf(out,"&gt;");
                    589:     }else if( z[i]=='\"' ){
                    590:       fprintf(out,"&quot;");
                    591:     }else if( z[i]=='\'' ){
                    592:       fprintf(out,"&#39;");
                    593:     }else{
                    594:       break;
                    595:     }
                    596:     z += i + 1;
                    597:   }
                    598: }
                    599:
                    600: /*
                    601: ** If a field contains any character identified by a 1 in the following
                    602: ** array, then the string must be quoted for CSV.
                    603: */
                    604: static const char needCsvQuote[] = {
                    605:   1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,
                    606:   1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,
                    607:   1, 0, 1, 0, 0, 0, 0, 1,   0, 0, 0, 0, 0, 0, 0, 0,
                    608:   0, 0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0, 0, 0, 0, 0,
                    609:   0, 0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0, 0, 0, 0, 0,
                    610:   0, 0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0, 0, 0, 0, 0,
                    611:   0, 0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0, 0, 0, 0, 0,
                    612:   0, 0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0, 0, 0, 0, 1,
                    613:   1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,
                    614:   1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,
                    615:   1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,
                    616:   1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,
                    617:   1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,
                    618:   1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,
                    619:   1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,
                    620:   1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,
                    621: };
                    622:
                    623: /*
                    624: ** Output a single term of CSV.  Actually, p->separator is used for
                    625: ** the separator, which may or may not be a comma.  p->nullvalue is
                    626: ** the null value.  Strings are quoted if necessary.
                    627: */
                    628: static void output_csv(struct callback_data *p, const char *z, int bSep){
                    629:   FILE *out = p->out;
                    630:   if( z==0 ){
                    631:     fprintf(out,"%s",p->nullvalue);
                    632:   }else{
                    633:     int i;
                    634:     int nSep = strlen30(p->separator);
                    635:     for(i=0; z[i]; i++){
                    636:       if( needCsvQuote[((unsigned char*)z)[i]]
                    637:          || (z[i]==p->separator[0] &&
                    638:              (nSep==1 || memcmp(z, p->separator, nSep)==0)) ){
                    639:         i = 0;
                    640:         break;
                    641:       }
                    642:     }
                    643:     if( i==0 ){
                    644:       putc('"', out);
                    645:       for(i=0; z[i]; i++){
                    646:         if( z[i]=='"' ) putc('"', out);
                    647:         putc(z[i], out);
                    648:       }
                    649:       putc('"', out);
                    650:     }else{
                    651:       fprintf(out, "%s", z);
                    652:     }
                    653:   }
                    654:   if( bSep ){
                    655:     fprintf(p->out, "%s", p->separator);
                    656:   }
                    657: }
                    658:
                    659: #ifdef SIGINT
                    660: /*
                    661: ** This routine runs when the user presses Ctrl-C
                    662: */
                    663: static void interrupt_handler(int NotUsed){
                    664:   UNUSED_PARAMETER(NotUsed);
                    665:   seenInterrupt = 1;
                    666:   if( db ) sqlite3_interrupt(db);
                    667: }
                    668: #endif
                    669:
                    670: /*
                    671: ** This is the callback routine that the shell
                    672: ** invokes for each row of a query result.
                    673: */
                    674: static int shell_callback(void *pArg, int nArg, char **azArg, char **azCol, int *aiType){
                    675:   int i;
                    676:   struct callback_data *p = (struct callback_data*)pArg;
                    677:
                    678:   switch( p->mode ){
                    679:     case MODE_Line: {
                    680:       int w = 5;
                    681:       if( azArg==0 ) break;
                    682:       for(i=0; i<nArg; i++){
                    683:         int len = strlen30(azCol[i] ? azCol[i] : "");
                    684:         if( len>w ) w = len;
                    685:       }
                    686:       if( p->cnt++>0 ) fprintf(p->out,"\n");
                    687:       for(i=0; i<nArg; i++){
                    688:         fprintf(p->out,"%*s = %s\n", w, azCol[i],
                    689:                 azArg[i] ? azArg[i] : p->nullvalue);
                    690:       }
                    691:       break;
                    692:     }
                    693:     case MODE_Explain:
                    694:     case MODE_Column: {
                    695:       if( p->cnt++==0 ){
                    696:         for(i=0; i<nArg; i++){
                    697:           int w, n;
                    698:           if( i<ArraySize(p->colWidth) ){
                    699:             w = p->colWidth[i];
                    700:           }else{
                    701:             w = 0;
                    702:           }
1.1.1.5   espie     703:           if( w==0 ){
1.1       espie     704:             w = strlen30(azCol[i] ? azCol[i] : "");
                    705:             if( w<10 ) w = 10;
                    706:             n = strlen30(azArg && azArg[i] ? azArg[i] : p->nullvalue);
                    707:             if( w<n ) w = n;
                    708:           }
                    709:           if( i<ArraySize(p->actualWidth) ){
                    710:             p->actualWidth[i] = w;
                    711:           }
                    712:           if( p->showHeader ){
1.1.1.5   espie     713:             if( w<0 ){
                    714:               fprintf(p->out,"%*.*s%s",-w,-w,azCol[i], i==nArg-1 ? "\n": "  ");
                    715:             }else{
                    716:               fprintf(p->out,"%-*.*s%s",w,w,azCol[i], i==nArg-1 ? "\n": "  ");
                    717:             }
1.1       espie     718:           }
                    719:         }
                    720:         if( p->showHeader ){
                    721:           for(i=0; i<nArg; i++){
                    722:             int w;
                    723:             if( i<ArraySize(p->actualWidth) ){
                    724:                w = p->actualWidth[i];
1.1.1.5   espie     725:                if( w<0 ) w = -w;
1.1       espie     726:             }else{
                    727:                w = 10;
                    728:             }
                    729:             fprintf(p->out,"%-*.*s%s",w,w,"-----------------------------------"
                    730:                    "----------------------------------------------------------",
                    731:                     i==nArg-1 ? "\n": "  ");
                    732:           }
                    733:         }
                    734:       }
                    735:       if( azArg==0 ) break;
                    736:       for(i=0; i<nArg; i++){
                    737:         int w;
                    738:         if( i<ArraySize(p->actualWidth) ){
                    739:            w = p->actualWidth[i];
                    740:         }else{
                    741:            w = 10;
                    742:         }
                    743:         if( p->mode==MODE_Explain && azArg[i] &&
                    744:            strlen30(azArg[i])>w ){
                    745:           w = strlen30(azArg[i]);
                    746:         }
1.1.1.5   espie     747:         if( w<0 ){
                    748:           fprintf(p->out,"%*.*s%s",-w,-w,
                    749:               azArg[i] ? azArg[i] : p->nullvalue, i==nArg-1 ? "\n": "  ");
                    750:         }else{
                    751:           fprintf(p->out,"%-*.*s%s",w,w,
                    752:               azArg[i] ? azArg[i] : p->nullvalue, i==nArg-1 ? "\n": "  ");
                    753:         }
1.1       espie     754:       }
                    755:       break;
                    756:     }
                    757:     case MODE_Semi:
                    758:     case MODE_List: {
                    759:       if( p->cnt++==0 && p->showHeader ){
                    760:         for(i=0; i<nArg; i++){
                    761:           fprintf(p->out,"%s%s",azCol[i], i==nArg-1 ? "\n" : p->separator);
                    762:         }
                    763:       }
                    764:       if( azArg==0 ) break;
                    765:       for(i=0; i<nArg; i++){
                    766:         char *z = azArg[i];
                    767:         if( z==0 ) z = p->nullvalue;
                    768:         fprintf(p->out, "%s", z);
                    769:         if( i<nArg-1 ){
                    770:           fprintf(p->out, "%s", p->separator);
                    771:         }else if( p->mode==MODE_Semi ){
                    772:           fprintf(p->out, ";\n");
                    773:         }else{
                    774:           fprintf(p->out, "\n");
                    775:         }
                    776:       }
                    777:       break;
                    778:     }
                    779:     case MODE_Html: {
                    780:       if( p->cnt++==0 && p->showHeader ){
                    781:         fprintf(p->out,"<TR>");
                    782:         for(i=0; i<nArg; i++){
                    783:           fprintf(p->out,"<TH>");
                    784:           output_html_string(p->out, azCol[i]);
                    785:           fprintf(p->out,"</TH>\n");
                    786:         }
                    787:         fprintf(p->out,"</TR>\n");
                    788:       }
                    789:       if( azArg==0 ) break;
                    790:       fprintf(p->out,"<TR>");
                    791:       for(i=0; i<nArg; i++){
                    792:         fprintf(p->out,"<TD>");
                    793:         output_html_string(p->out, azArg[i] ? azArg[i] : p->nullvalue);
                    794:         fprintf(p->out,"</TD>\n");
                    795:       }
                    796:       fprintf(p->out,"</TR>\n");
                    797:       break;
                    798:     }
                    799:     case MODE_Tcl: {
                    800:       if( p->cnt++==0 && p->showHeader ){
                    801:         for(i=0; i<nArg; i++){
                    802:           output_c_string(p->out,azCol[i] ? azCol[i] : "");
1.1.1.5   espie     803:           if(i<nArg-1) fprintf(p->out, "%s", p->separator);
1.1       espie     804:         }
                    805:         fprintf(p->out,"\n");
                    806:       }
                    807:       if( azArg==0 ) break;
                    808:       for(i=0; i<nArg; i++){
                    809:         output_c_string(p->out, azArg[i] ? azArg[i] : p->nullvalue);
1.1.1.5   espie     810:         if(i<nArg-1) fprintf(p->out, "%s", p->separator);
1.1       espie     811:       }
                    812:       fprintf(p->out,"\n");
                    813:       break;
                    814:     }
                    815:     case MODE_Csv: {
                    816:       if( p->cnt++==0 && p->showHeader ){
                    817:         for(i=0; i<nArg; i++){
                    818:           output_csv(p, azCol[i] ? azCol[i] : "", i<nArg-1);
                    819:         }
                    820:         fprintf(p->out,"\n");
                    821:       }
                    822:       if( azArg==0 ) break;
                    823:       for(i=0; i<nArg; i++){
                    824:         output_csv(p, azArg[i], i<nArg-1);
                    825:       }
                    826:       fprintf(p->out,"\n");
                    827:       break;
                    828:     }
                    829:     case MODE_Insert: {
                    830:       p->cnt++;
                    831:       if( azArg==0 ) break;
                    832:       fprintf(p->out,"INSERT INTO %s VALUES(",p->zDestTable);
                    833:       for(i=0; i<nArg; i++){
                    834:         char *zSep = i>0 ? ",": "";
                    835:         if( (azArg[i]==0) || (aiType && aiType[i]==SQLITE_NULL) ){
                    836:           fprintf(p->out,"%sNULL",zSep);
                    837:         }else if( aiType && aiType[i]==SQLITE_TEXT ){
                    838:           if( zSep[0] ) fprintf(p->out,"%s",zSep);
                    839:           output_quoted_string(p->out, azArg[i]);
                    840:         }else if( aiType && (aiType[i]==SQLITE_INTEGER || aiType[i]==SQLITE_FLOAT) ){
                    841:           fprintf(p->out,"%s%s",zSep, azArg[i]);
                    842:         }else if( aiType && aiType[i]==SQLITE_BLOB && p->pStmt ){
                    843:           const void *pBlob = sqlite3_column_blob(p->pStmt, i);
                    844:           int nBlob = sqlite3_column_bytes(p->pStmt, i);
                    845:           if( zSep[0] ) fprintf(p->out,"%s",zSep);
                    846:           output_hex_blob(p->out, pBlob, nBlob);
                    847:         }else if( isNumber(azArg[i], 0) ){
                    848:           fprintf(p->out,"%s%s",zSep, azArg[i]);
                    849:         }else{
                    850:           if( zSep[0] ) fprintf(p->out,"%s",zSep);
                    851:           output_quoted_string(p->out, azArg[i]);
                    852:         }
                    853:       }
                    854:       fprintf(p->out,");\n");
                    855:       break;
                    856:     }
                    857:   }
                    858:   return 0;
                    859: }
                    860:
                    861: /*
                    862: ** This is the callback routine that the SQLite library
                    863: ** invokes for each row of a query result.
                    864: */
                    865: static int callback(void *pArg, int nArg, char **azArg, char **azCol){
                    866:   /* since we don't have type info, call the shell_callback with a NULL value */
                    867:   return shell_callback(pArg, nArg, azArg, azCol, NULL);
                    868: }
                    869:
                    870: /*
                    871: ** Set the destination table field of the callback_data structure to
                    872: ** the name of the table given.  Escape any quote characters in the
                    873: ** table name.
                    874: */
                    875: static void set_table_name(struct callback_data *p, const char *zName){
                    876:   int i, n;
                    877:   int needQuote;
                    878:   char *z;
                    879:
                    880:   if( p->zDestTable ){
                    881:     free(p->zDestTable);
                    882:     p->zDestTable = 0;
                    883:   }
                    884:   if( zName==0 ) return;
                    885:   needQuote = !isalpha((unsigned char)*zName) && *zName!='_';
                    886:   for(i=n=0; zName[i]; i++, n++){
                    887:     if( !isalnum((unsigned char)zName[i]) && zName[i]!='_' ){
                    888:       needQuote = 1;
                    889:       if( zName[i]=='\'' ) n++;
                    890:     }
                    891:   }
                    892:   if( needQuote ) n += 2;
                    893:   z = p->zDestTable = malloc( n+1 );
                    894:   if( z==0 ){
                    895:     fprintf(stderr,"Error: out of memory\n");
                    896:     exit(1);
                    897:   }
                    898:   n = 0;
                    899:   if( needQuote ) z[n++] = '\'';
                    900:   for(i=0; zName[i]; i++){
                    901:     z[n++] = zName[i];
                    902:     if( zName[i]=='\'' ) z[n++] = '\'';
                    903:   }
                    904:   if( needQuote ) z[n++] = '\'';
                    905:   z[n] = 0;
                    906: }
                    907:
                    908: /* zIn is either a pointer to a NULL-terminated string in memory obtained
                    909: ** from malloc(), or a NULL pointer. The string pointed to by zAppend is
                    910: ** added to zIn, and the result returned in memory obtained from malloc().
                    911: ** zIn, if it was not NULL, is freed.
                    912: **
                    913: ** If the third argument, quote, is not '\0', then it is used as a
                    914: ** quote character for zAppend.
                    915: */
                    916: static char *appendText(char *zIn, char const *zAppend, char quote){
                    917:   int len;
                    918:   int i;
                    919:   int nAppend = strlen30(zAppend);
                    920:   int nIn = (zIn?strlen30(zIn):0);
                    921:
                    922:   len = nAppend+nIn+1;
                    923:   if( quote ){
                    924:     len += 2;
                    925:     for(i=0; i<nAppend; i++){
                    926:       if( zAppend[i]==quote ) len++;
                    927:     }
                    928:   }
                    929:
                    930:   zIn = (char *)realloc(zIn, len);
                    931:   if( !zIn ){
                    932:     return 0;
                    933:   }
                    934:
                    935:   if( quote ){
                    936:     char *zCsr = &zIn[nIn];
                    937:     *zCsr++ = quote;
                    938:     for(i=0; i<nAppend; i++){
                    939:       *zCsr++ = zAppend[i];
                    940:       if( zAppend[i]==quote ) *zCsr++ = quote;
                    941:     }
                    942:     *zCsr++ = quote;
                    943:     *zCsr++ = '\0';
                    944:     assert( (zCsr-zIn)==len );
                    945:   }else{
                    946:     memcpy(&zIn[nIn], zAppend, nAppend);
                    947:     zIn[len-1] = '\0';
                    948:   }
                    949:
                    950:   return zIn;
                    951: }
                    952:
                    953:
                    954: /*
                    955: ** Execute a query statement that will generate SQL output.  Print
                    956: ** the result columns, comma-separated, on a line and then add a
                    957: ** semicolon terminator to the end of that line.
                    958: **
                    959: ** If the number of columns is 1 and that column contains text "--"
                    960: ** then write the semicolon on a separate line.  That way, if a
                    961: ** "--" comment occurs at the end of the statement, the comment
                    962: ** won't consume the semicolon terminator.
                    963: */
                    964: static int run_table_dump_query(
                    965:   struct callback_data *p, /* Query context */
                    966:   const char *zSelect,     /* SELECT statement to extract content */
                    967:   const char *zFirstRow    /* Print before first row, if not NULL */
                    968: ){
                    969:   sqlite3_stmt *pSelect;
                    970:   int rc;
                    971:   int nResult;
                    972:   int i;
                    973:   const char *z;
                    974:   rc = sqlite3_prepare(p->db, zSelect, -1, &pSelect, 0);
                    975:   if( rc!=SQLITE_OK || !pSelect ){
                    976:     fprintf(p->out, "/**** ERROR: (%d) %s *****/\n", rc, sqlite3_errmsg(p->db));
                    977:     p->nErr++;
                    978:     return rc;
                    979:   }
                    980:   rc = sqlite3_step(pSelect);
                    981:   nResult = sqlite3_column_count(pSelect);
                    982:   while( rc==SQLITE_ROW ){
                    983:     if( zFirstRow ){
                    984:       fprintf(p->out, "%s", zFirstRow);
                    985:       zFirstRow = 0;
                    986:     }
                    987:     z = (const char*)sqlite3_column_text(pSelect, 0);
                    988:     fprintf(p->out, "%s", z);
                    989:     for(i=1; i<nResult; i++){
                    990:       fprintf(p->out, ",%s", sqlite3_column_text(pSelect, i));
                    991:     }
                    992:     if( z==0 ) z = "";
                    993:     while( z[0] && (z[0]!='-' || z[1]!='-') ) z++;
                    994:     if( z[0] ){
                    995:       fprintf(p->out, "\n;\n");
                    996:     }else{
                    997:       fprintf(p->out, ";\n");
                    998:     }
                    999:     rc = sqlite3_step(pSelect);
                   1000:   }
                   1001:   rc = sqlite3_finalize(pSelect);
                   1002:   if( rc!=SQLITE_OK ){
                   1003:     fprintf(p->out, "/**** ERROR: (%d) %s *****/\n", rc, sqlite3_errmsg(p->db));
                   1004:     p->nErr++;
                   1005:   }
                   1006:   return rc;
                   1007: }
                   1008:
                   1009: /*
                   1010: ** Allocate space and save off current error string.
                   1011: */
                   1012: static char *save_err_msg(
                   1013:   sqlite3 *db            /* Database to query */
                   1014: ){
                   1015:   int nErrMsg = 1+strlen30(sqlite3_errmsg(db));
                   1016:   char *zErrMsg = sqlite3_malloc(nErrMsg);
                   1017:   if( zErrMsg ){
                   1018:     memcpy(zErrMsg, sqlite3_errmsg(db), nErrMsg);
                   1019:   }
                   1020:   return zErrMsg;
                   1021: }
                   1022:
                   1023: /*
                   1024: ** Display memory stats.
                   1025: */
                   1026: static int display_stats(
                   1027:   sqlite3 *db,                /* Database to query */
                   1028:   struct callback_data *pArg, /* Pointer to struct callback_data */
                   1029:   int bReset                  /* True to reset the stats */
                   1030: ){
                   1031:   int iCur;
                   1032:   int iHiwtr;
                   1033:
                   1034:   if( pArg && pArg->out ){
                   1035:
                   1036:     iHiwtr = iCur = -1;
                   1037:     sqlite3_status(SQLITE_STATUS_MEMORY_USED, &iCur, &iHiwtr, bReset);
                   1038:     fprintf(pArg->out, "Memory Used:                         %d (max %d) bytes\n", iCur, iHiwtr);
                   1039:     iHiwtr = iCur = -1;
                   1040:     sqlite3_status(SQLITE_STATUS_MALLOC_COUNT, &iCur, &iHiwtr, bReset);
                   1041:     fprintf(pArg->out, "Number of Outstanding Allocations:   %d (max %d)\n", iCur, iHiwtr);
                   1042: /*
                   1043: ** Not currently used by the CLI.
                   1044: **    iHiwtr = iCur = -1;
                   1045: **    sqlite3_status(SQLITE_STATUS_PAGECACHE_USED, &iCur, &iHiwtr, bReset);
                   1046: **    fprintf(pArg->out, "Number of Pcache Pages Used:         %d (max %d) pages\n", iCur, iHiwtr);
                   1047: */
                   1048:     iHiwtr = iCur = -1;
                   1049:     sqlite3_status(SQLITE_STATUS_PAGECACHE_OVERFLOW, &iCur, &iHiwtr, bReset);
                   1050:     fprintf(pArg->out, "Number of Pcache Overflow Bytes:     %d (max %d) bytes\n", iCur, iHiwtr);
                   1051: /*
                   1052: ** Not currently used by the CLI.
                   1053: **    iHiwtr = iCur = -1;
                   1054: **    sqlite3_status(SQLITE_STATUS_SCRATCH_USED, &iCur, &iHiwtr, bReset);
                   1055: **    fprintf(pArg->out, "Number of Scratch Allocations Used:  %d (max %d)\n", iCur, iHiwtr);
                   1056: */
                   1057:     iHiwtr = iCur = -1;
                   1058:     sqlite3_status(SQLITE_STATUS_SCRATCH_OVERFLOW, &iCur, &iHiwtr, bReset);
                   1059:     fprintf(pArg->out, "Number of Scratch Overflow Bytes:    %d (max %d) bytes\n", iCur, iHiwtr);
                   1060:     iHiwtr = iCur = -1;
                   1061:     sqlite3_status(SQLITE_STATUS_MALLOC_SIZE, &iCur, &iHiwtr, bReset);
                   1062:     fprintf(pArg->out, "Largest Allocation:                  %d bytes\n", iHiwtr);
                   1063:     iHiwtr = iCur = -1;
                   1064:     sqlite3_status(SQLITE_STATUS_PAGECACHE_SIZE, &iCur, &iHiwtr, bReset);
                   1065:     fprintf(pArg->out, "Largest Pcache Allocation:           %d bytes\n", iHiwtr);
                   1066:     iHiwtr = iCur = -1;
                   1067:     sqlite3_status(SQLITE_STATUS_SCRATCH_SIZE, &iCur, &iHiwtr, bReset);
                   1068:     fprintf(pArg->out, "Largest Scratch Allocation:          %d bytes\n", iHiwtr);
                   1069: #ifdef YYTRACKMAXSTACKDEPTH
                   1070:     iHiwtr = iCur = -1;
                   1071:     sqlite3_status(SQLITE_STATUS_PARSER_STACK, &iCur, &iHiwtr, bReset);
                   1072:     fprintf(pArg->out, "Deepest Parser Stack:                %d (max %d)\n", iCur, iHiwtr);
                   1073: #endif
                   1074:   }
                   1075:
                   1076:   if( pArg && pArg->out && db ){
                   1077:     iHiwtr = iCur = -1;
                   1078:     sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_USED, &iCur, &iHiwtr, bReset);
                   1079:     fprintf(pArg->out, "Lookaside Slots Used:                %d (max %d)\n", iCur, iHiwtr);
                   1080:     sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_HIT, &iCur, &iHiwtr, bReset);
                   1081:     fprintf(pArg->out, "Successful lookaside attempts:       %d\n", iHiwtr);
                   1082:     sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE, &iCur, &iHiwtr, bReset);
                   1083:     fprintf(pArg->out, "Lookaside failures due to size:      %d\n", iHiwtr);
                   1084:     sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_FULL, &iCur, &iHiwtr, bReset);
                   1085:     fprintf(pArg->out, "Lookaside failures due to OOM:       %d\n", iHiwtr);
                   1086:     iHiwtr = iCur = -1;
                   1087:     sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_USED, &iCur, &iHiwtr, bReset);
                   1088:     fprintf(pArg->out, "Pager Heap Usage:                    %d bytes\n", iCur);    iHiwtr = iCur = -1;
                   1089:     sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_HIT, &iCur, &iHiwtr, 1);
                   1090:     fprintf(pArg->out, "Page cache hits:                     %d\n", iCur);
                   1091:     iHiwtr = iCur = -1;
                   1092:     sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_MISS, &iCur, &iHiwtr, 1);
                   1093:     fprintf(pArg->out, "Page cache misses:                   %d\n", iCur);
                   1094:     iHiwtr = iCur = -1;
1.1.1.2   espie    1095:     sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_WRITE, &iCur, &iHiwtr, 1);
                   1096:     fprintf(pArg->out, "Page cache writes:                   %d\n", iCur);
                   1097:     iHiwtr = iCur = -1;
1.1       espie    1098:     sqlite3_db_status(db, SQLITE_DBSTATUS_SCHEMA_USED, &iCur, &iHiwtr, bReset);
                   1099:     fprintf(pArg->out, "Schema Heap Usage:                   %d bytes\n", iCur);
                   1100:     iHiwtr = iCur = -1;
                   1101:     sqlite3_db_status(db, SQLITE_DBSTATUS_STMT_USED, &iCur, &iHiwtr, bReset);
                   1102:     fprintf(pArg->out, "Statement Heap/Lookaside Usage:      %d bytes\n", iCur);
                   1103:   }
                   1104:
                   1105:   if( pArg && pArg->out && db && pArg->pStmt ){
                   1106:     iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_FULLSCAN_STEP, bReset);
                   1107:     fprintf(pArg->out, "Fullscan Steps:                      %d\n", iCur);
                   1108:     iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_SORT, bReset);
                   1109:     fprintf(pArg->out, "Sort Operations:                     %d\n", iCur);
                   1110:     iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_AUTOINDEX, bReset);
                   1111:     fprintf(pArg->out, "Autoindex Inserts:                   %d\n", iCur);
1.1.1.7 ! jturner  1112:     iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_VM_STEP, bReset);
        !          1113:     fprintf(pArg->out, "Virtual Machine Steps:               %d\n", iCur);
1.1       espie    1114:   }
                   1115:
                   1116:   return 0;
                   1117: }
                   1118:
                   1119: /*
                   1120: ** Execute a statement or set of statements.  Print
                   1121: ** any result rows/columns depending on the current mode
                   1122: ** set via the supplied callback.
                   1123: **
                   1124: ** This is very similar to SQLite's built-in sqlite3_exec()
                   1125: ** function except it takes a slightly different callback
                   1126: ** and callback data argument.
                   1127: */
                   1128: static int shell_exec(
                   1129:   sqlite3 *db,                                /* An open database */
                   1130:   const char *zSql,                           /* SQL to be evaluated */
                   1131:   int (*xCallback)(void*,int,char**,char**,int*),   /* Callback function */
                   1132:                                               /* (not the same as sqlite3_exec) */
                   1133:   struct callback_data *pArg,                 /* Pointer to struct callback_data */
                   1134:   char **pzErrMsg                             /* Error msg written here */
                   1135: ){
                   1136:   sqlite3_stmt *pStmt = NULL;     /* Statement to execute. */
                   1137:   int rc = SQLITE_OK;             /* Return Code */
                   1138:   int rc2;
                   1139:   const char *zLeftover;          /* Tail of unprocessed SQL */
                   1140:
                   1141:   if( pzErrMsg ){
                   1142:     *pzErrMsg = NULL;
                   1143:   }
                   1144:
                   1145:   while( zSql[0] && (SQLITE_OK == rc) ){
                   1146:     rc = sqlite3_prepare_v2(db, zSql, -1, &pStmt, &zLeftover);
                   1147:     if( SQLITE_OK != rc ){
                   1148:       if( pzErrMsg ){
                   1149:         *pzErrMsg = save_err_msg(db);
                   1150:       }
                   1151:     }else{
                   1152:       if( !pStmt ){
                   1153:         /* this happens for a comment or white-space */
                   1154:         zSql = zLeftover;
                   1155:         while( IsSpace(zSql[0]) ) zSql++;
                   1156:         continue;
                   1157:       }
                   1158:
                   1159:       /* save off the prepared statment handle and reset row count */
                   1160:       if( pArg ){
                   1161:         pArg->pStmt = pStmt;
                   1162:         pArg->cnt = 0;
                   1163:       }
                   1164:
                   1165:       /* echo the sql statement if echo on */
                   1166:       if( pArg && pArg->echoOn ){
                   1167:         const char *zStmtSql = sqlite3_sql(pStmt);
                   1168:         fprintf(pArg->out, "%s\n", zStmtSql ? zStmtSql : zSql);
                   1169:       }
                   1170:
                   1171:       /* Output TESTCTRL_EXPLAIN text of requested */
                   1172:       if( pArg && pArg->mode==MODE_Explain ){
                   1173:         const char *zExplain = 0;
                   1174:         sqlite3_test_control(SQLITE_TESTCTRL_EXPLAIN_STMT, pStmt, &zExplain);
                   1175:         if( zExplain && zExplain[0] ){
                   1176:           fprintf(pArg->out, "%s", zExplain);
                   1177:         }
                   1178:       }
                   1179:
                   1180:       /* perform the first step.  this will tell us if we
                   1181:       ** have a result set or not and how wide it is.
                   1182:       */
                   1183:       rc = sqlite3_step(pStmt);
                   1184:       /* if we have a result set... */
                   1185:       if( SQLITE_ROW == rc ){
                   1186:         /* if we have a callback... */
                   1187:         if( xCallback ){
                   1188:           /* allocate space for col name ptr, value ptr, and type */
                   1189:           int nCol = sqlite3_column_count(pStmt);
                   1190:           void *pData = sqlite3_malloc(3*nCol*sizeof(const char*) + 1);
                   1191:           if( !pData ){
                   1192:             rc = SQLITE_NOMEM;
                   1193:           }else{
                   1194:             char **azCols = (char **)pData;      /* Names of result columns */
                   1195:             char **azVals = &azCols[nCol];       /* Results */
                   1196:             int *aiTypes = (int *)&azVals[nCol]; /* Result types */
                   1197:             int i;
                   1198:             assert(sizeof(int) <= sizeof(char *));
                   1199:             /* save off ptrs to column names */
                   1200:             for(i=0; i<nCol; i++){
                   1201:               azCols[i] = (char *)sqlite3_column_name(pStmt, i);
                   1202:             }
                   1203:             do{
                   1204:               /* extract the data and data types */
                   1205:               for(i=0; i<nCol; i++){
                   1206:                 azVals[i] = (char *)sqlite3_column_text(pStmt, i);
                   1207:                 aiTypes[i] = sqlite3_column_type(pStmt, i);
                   1208:                 if( !azVals[i] && (aiTypes[i]!=SQLITE_NULL) ){
                   1209:                   rc = SQLITE_NOMEM;
                   1210:                   break; /* from for */
                   1211:                 }
                   1212:               } /* end for */
                   1213:
                   1214:               /* if data and types extracted successfully... */
                   1215:               if( SQLITE_ROW == rc ){
                   1216:                 /* call the supplied callback with the result row data */
                   1217:                 if( xCallback(pArg, nCol, azVals, azCols, aiTypes) ){
                   1218:                   rc = SQLITE_ABORT;
                   1219:                 }else{
                   1220:                   rc = sqlite3_step(pStmt);
                   1221:                 }
                   1222:               }
                   1223:             } while( SQLITE_ROW == rc );
                   1224:             sqlite3_free(pData);
                   1225:           }
                   1226:         }else{
                   1227:           do{
                   1228:             rc = sqlite3_step(pStmt);
                   1229:           } while( rc == SQLITE_ROW );
                   1230:         }
                   1231:       }
                   1232:
                   1233:       /* print usage stats if stats on */
                   1234:       if( pArg && pArg->statsOn ){
                   1235:         display_stats(db, pArg, 0);
                   1236:       }
                   1237:
                   1238:       /* Finalize the statement just executed. If this fails, save a
                   1239:       ** copy of the error message. Otherwise, set zSql to point to the
                   1240:       ** next statement to execute. */
                   1241:       rc2 = sqlite3_finalize(pStmt);
                   1242:       if( rc!=SQLITE_NOMEM ) rc = rc2;
                   1243:       if( rc==SQLITE_OK ){
                   1244:         zSql = zLeftover;
                   1245:         while( IsSpace(zSql[0]) ) zSql++;
                   1246:       }else if( pzErrMsg ){
                   1247:         *pzErrMsg = save_err_msg(db);
                   1248:       }
                   1249:
                   1250:       /* clear saved stmt handle */
                   1251:       if( pArg ){
                   1252:         pArg->pStmt = NULL;
                   1253:       }
                   1254:     }
                   1255:   } /* end while */
                   1256:
                   1257:   return rc;
                   1258: }
                   1259:
                   1260:
                   1261: /*
                   1262: ** This is a different callback routine used for dumping the database.
                   1263: ** Each row received by this callback consists of a table name,
                   1264: ** the table type ("index" or "table") and SQL to create the table.
                   1265: ** This routine should print text sufficient to recreate the table.
                   1266: */
                   1267: static int dump_callback(void *pArg, int nArg, char **azArg, char **azCol){
                   1268:   int rc;
                   1269:   const char *zTable;
                   1270:   const char *zType;
                   1271:   const char *zSql;
                   1272:   const char *zPrepStmt = 0;
                   1273:   struct callback_data *p = (struct callback_data *)pArg;
                   1274:
                   1275:   UNUSED_PARAMETER(azCol);
                   1276:   if( nArg!=3 ) return 1;
                   1277:   zTable = azArg[0];
                   1278:   zType = azArg[1];
                   1279:   zSql = azArg[2];
                   1280:
                   1281:   if( strcmp(zTable, "sqlite_sequence")==0 ){
                   1282:     zPrepStmt = "DELETE FROM sqlite_sequence;\n";
                   1283:   }else if( strcmp(zTable, "sqlite_stat1")==0 ){
                   1284:     fprintf(p->out, "ANALYZE sqlite_master;\n");
                   1285:   }else if( strncmp(zTable, "sqlite_", 7)==0 ){
                   1286:     return 0;
                   1287:   }else if( strncmp(zSql, "CREATE VIRTUAL TABLE", 20)==0 ){
                   1288:     char *zIns;
                   1289:     if( !p->writableSchema ){
                   1290:       fprintf(p->out, "PRAGMA writable_schema=ON;\n");
                   1291:       p->writableSchema = 1;
                   1292:     }
                   1293:     zIns = sqlite3_mprintf(
                   1294:        "INSERT INTO sqlite_master(type,name,tbl_name,rootpage,sql)"
                   1295:        "VALUES('table','%q','%q',0,'%q');",
                   1296:        zTable, zTable, zSql);
                   1297:     fprintf(p->out, "%s\n", zIns);
                   1298:     sqlite3_free(zIns);
                   1299:     return 0;
                   1300:   }else{
                   1301:     fprintf(p->out, "%s;\n", zSql);
                   1302:   }
                   1303:
                   1304:   if( strcmp(zType, "table")==0 ){
                   1305:     sqlite3_stmt *pTableInfo = 0;
                   1306:     char *zSelect = 0;
                   1307:     char *zTableInfo = 0;
                   1308:     char *zTmp = 0;
                   1309:     int nRow = 0;
                   1310:
                   1311:     zTableInfo = appendText(zTableInfo, "PRAGMA table_info(", 0);
                   1312:     zTableInfo = appendText(zTableInfo, zTable, '"');
                   1313:     zTableInfo = appendText(zTableInfo, ");", 0);
                   1314:
                   1315:     rc = sqlite3_prepare(p->db, zTableInfo, -1, &pTableInfo, 0);
                   1316:     free(zTableInfo);
                   1317:     if( rc!=SQLITE_OK || !pTableInfo ){
                   1318:       return 1;
                   1319:     }
                   1320:
                   1321:     zSelect = appendText(zSelect, "SELECT 'INSERT INTO ' || ", 0);
1.1.1.2   espie    1322:     /* Always quote the table name, even if it appears to be pure ascii,
                   1323:     ** in case it is a keyword. Ex:  INSERT INTO "table" ... */
                   1324:     zTmp = appendText(zTmp, zTable, '"');
1.1       espie    1325:     if( zTmp ){
                   1326:       zSelect = appendText(zSelect, zTmp, '\'');
1.1.1.2   espie    1327:       free(zTmp);
1.1       espie    1328:     }
                   1329:     zSelect = appendText(zSelect, " || ' VALUES(' || ", 0);
                   1330:     rc = sqlite3_step(pTableInfo);
                   1331:     while( rc==SQLITE_ROW ){
                   1332:       const char *zText = (const char *)sqlite3_column_text(pTableInfo, 1);
                   1333:       zSelect = appendText(zSelect, "quote(", 0);
                   1334:       zSelect = appendText(zSelect, zText, '"');
                   1335:       rc = sqlite3_step(pTableInfo);
                   1336:       if( rc==SQLITE_ROW ){
                   1337:         zSelect = appendText(zSelect, "), ", 0);
                   1338:       }else{
                   1339:         zSelect = appendText(zSelect, ") ", 0);
                   1340:       }
                   1341:       nRow++;
                   1342:     }
                   1343:     rc = sqlite3_finalize(pTableInfo);
                   1344:     if( rc!=SQLITE_OK || nRow==0 ){
                   1345:       free(zSelect);
                   1346:       return 1;
                   1347:     }
                   1348:     zSelect = appendText(zSelect, "|| ')' FROM  ", 0);
                   1349:     zSelect = appendText(zSelect, zTable, '"');
                   1350:
                   1351:     rc = run_table_dump_query(p, zSelect, zPrepStmt);
                   1352:     if( rc==SQLITE_CORRUPT ){
                   1353:       zSelect = appendText(zSelect, " ORDER BY rowid DESC", 0);
                   1354:       run_table_dump_query(p, zSelect, 0);
                   1355:     }
1.1.1.2   espie    1356:     free(zSelect);
1.1       espie    1357:   }
                   1358:   return 0;
                   1359: }
                   1360:
                   1361: /*
                   1362: ** Run zQuery.  Use dump_callback() as the callback routine so that
                   1363: ** the contents of the query are output as SQL statements.
                   1364: **
                   1365: ** If we get a SQLITE_CORRUPT error, rerun the query after appending
                   1366: ** "ORDER BY rowid DESC" to the end.
                   1367: */
                   1368: static int run_schema_dump_query(
                   1369:   struct callback_data *p,
                   1370:   const char *zQuery
                   1371: ){
                   1372:   int rc;
                   1373:   char *zErr = 0;
                   1374:   rc = sqlite3_exec(p->db, zQuery, dump_callback, p, &zErr);
                   1375:   if( rc==SQLITE_CORRUPT ){
                   1376:     char *zQ2;
                   1377:     int len = strlen30(zQuery);
                   1378:     fprintf(p->out, "/****** CORRUPTION ERROR *******/\n");
                   1379:     if( zErr ){
                   1380:       fprintf(p->out, "/****** %s ******/\n", zErr);
                   1381:       sqlite3_free(zErr);
                   1382:       zErr = 0;
                   1383:     }
                   1384:     zQ2 = malloc( len+100 );
                   1385:     if( zQ2==0 ) return rc;
1.1.1.2   espie    1386:     sqlite3_snprintf(len+100, zQ2, "%s ORDER BY rowid DESC", zQuery);
1.1       espie    1387:     rc = sqlite3_exec(p->db, zQ2, dump_callback, p, &zErr);
                   1388:     if( rc ){
                   1389:       fprintf(p->out, "/****** ERROR: %s ******/\n", zErr);
                   1390:     }else{
                   1391:       rc = SQLITE_CORRUPT;
                   1392:     }
                   1393:     sqlite3_free(zErr);
                   1394:     free(zQ2);
                   1395:   }
                   1396:   return rc;
                   1397: }
                   1398:
                   1399: /*
                   1400: ** Text of a help message
                   1401: */
                   1402: static char zHelp[] =
                   1403:   ".backup ?DB? FILE      Backup DB (default \"main\") to FILE\n"
                   1404:   ".bail ON|OFF           Stop after hitting an error.  Default OFF\n"
                   1405:   ".databases             List names and files of attached databases\n"
                   1406:   ".dump ?TABLE? ...      Dump the database in an SQL text format\n"
                   1407:   "                         If TABLE specified, only dump tables matching\n"
                   1408:   "                         LIKE pattern TABLE.\n"
                   1409:   ".echo ON|OFF           Turn command echo on or off\n"
                   1410:   ".exit                  Exit this program\n"
                   1411:   ".explain ?ON|OFF?      Turn output mode suitable for EXPLAIN on or off.\n"
                   1412:   "                         With no args, it turns EXPLAIN on.\n"
                   1413:   ".header(s) ON|OFF      Turn display of headers on or off\n"
                   1414:   ".help                  Show this message\n"
                   1415:   ".import FILE TABLE     Import data from FILE into TABLE\n"
                   1416:   ".indices ?TABLE?       Show names of all indices\n"
                   1417:   "                         If TABLE specified, only show indices for tables\n"
                   1418:   "                         matching LIKE pattern TABLE.\n"
                   1419: #ifdef SQLITE_ENABLE_IOTRACE
                   1420:   ".iotrace FILE          Enable I/O diagnostic logging to FILE\n"
                   1421: #endif
                   1422: #ifndef SQLITE_OMIT_LOAD_EXTENSION
                   1423:   ".load FILE ?ENTRY?     Load an extension library\n"
                   1424: #endif
                   1425:   ".log FILE|off          Turn logging on or off.  FILE can be stderr/stdout\n"
                   1426:   ".mode MODE ?TABLE?     Set output mode where MODE is one of:\n"
                   1427:   "                         csv      Comma-separated values\n"
                   1428:   "                         column   Left-aligned columns.  (See .width)\n"
                   1429:   "                         html     HTML <table> code\n"
                   1430:   "                         insert   SQL insert statements for TABLE\n"
                   1431:   "                         line     One value per line\n"
                   1432:   "                         list     Values delimited by .separator string\n"
                   1433:   "                         tabs     Tab-separated values\n"
                   1434:   "                         tcl      TCL list elements\n"
1.1.1.5   espie    1435:   ".nullvalue STRING      Use STRING in place of NULL values\n"
1.1       espie    1436:   ".output FILENAME       Send output to FILENAME\n"
                   1437:   ".output stdout         Send output to the screen\n"
1.1.1.5   espie    1438:   ".print STRING...       Print literal STRING\n"
1.1       espie    1439:   ".prompt MAIN CONTINUE  Replace the standard prompts\n"
                   1440:   ".quit                  Exit this program\n"
                   1441:   ".read FILENAME         Execute SQL in FILENAME\n"
                   1442:   ".restore ?DB? FILE     Restore content of DB (default \"main\") from FILE\n"
                   1443:   ".schema ?TABLE?        Show the CREATE statements\n"
                   1444:   "                         If TABLE specified, only show tables matching\n"
                   1445:   "                         LIKE pattern TABLE.\n"
                   1446:   ".separator STRING      Change separator used by output mode and .import\n"
                   1447:   ".show                  Show the current values for various settings\n"
                   1448:   ".stats ON|OFF          Turn stats on or off\n"
                   1449:   ".tables ?TABLE?        List names of tables\n"
                   1450:   "                         If TABLE specified, only list tables matching\n"
                   1451:   "                         LIKE pattern TABLE.\n"
                   1452:   ".timeout MS            Try opening locked tables for MS milliseconds\n"
1.1.1.2   espie    1453:   ".trace FILE|off        Output each SQL statement as it is run\n"
1.1       espie    1454:   ".vfsname ?AUX?         Print the name of the VFS stack\n"
                   1455:   ".width NUM1 NUM2 ...   Set column widths for \"column\" mode\n"
                   1456: ;
                   1457:
                   1458: static char zTimerHelp[] =
                   1459:   ".timer ON|OFF          Turn the CPU timer measurement on or off\n"
                   1460: ;
                   1461:
                   1462: /* Forward reference */
                   1463: static int process_input(struct callback_data *p, FILE *in);
                   1464:
                   1465: /*
                   1466: ** Make sure the database is open.  If it is not, then open it.  If
                   1467: ** the database fails to open, print an error message and exit.
                   1468: */
                   1469: static void open_db(struct callback_data *p){
                   1470:   if( p->db==0 ){
1.1.1.4   espie    1471:     sqlite3_initialize();
1.1       espie    1472:     sqlite3_open(p->zDbFilename, &p->db);
                   1473:     db = p->db;
                   1474:     if( db && sqlite3_errcode(db)==SQLITE_OK ){
                   1475:       sqlite3_create_function(db, "shellstatic", 0, SQLITE_UTF8, 0,
                   1476:           shellstaticFunc, 0, 0);
                   1477:     }
                   1478:     if( db==0 || SQLITE_OK!=sqlite3_errcode(db) ){
                   1479:       fprintf(stderr,"Error: unable to open database \"%s\": %s\n",
                   1480:           p->zDbFilename, sqlite3_errmsg(db));
                   1481:       exit(1);
                   1482:     }
                   1483: #ifndef SQLITE_OMIT_LOAD_EXTENSION
                   1484:     sqlite3_enable_load_extension(p->db, 1);
                   1485: #endif
                   1486:   }
                   1487: }
                   1488:
                   1489: /*
                   1490: ** Do C-language style dequoting.
                   1491: **
                   1492: **    \t    -> tab
                   1493: **    \n    -> newline
                   1494: **    \r    -> carriage return
1.1.1.7 ! jturner  1495: **    \"    -> "
1.1       espie    1496: **    \NNN  -> ascii character NNN in octal
                   1497: **    \\    -> backslash
                   1498: */
                   1499: static void resolve_backslashes(char *z){
                   1500:   int i, j;
                   1501:   char c;
                   1502:   for(i=j=0; (c = z[i])!=0; i++, j++){
                   1503:     if( c=='\\' ){
                   1504:       c = z[++i];
                   1505:       if( c=='n' ){
                   1506:         c = '\n';
                   1507:       }else if( c=='t' ){
                   1508:         c = '\t';
                   1509:       }else if( c=='r' ){
                   1510:         c = '\r';
1.1.1.7 ! jturner  1511:       }else if( c=='\\' ){
        !          1512:         c = '\\';
1.1       espie    1513:       }else if( c>='0' && c<='7' ){
                   1514:         c -= '0';
                   1515:         if( z[i+1]>='0' && z[i+1]<='7' ){
                   1516:           i++;
                   1517:           c = (c<<3) + z[i] - '0';
                   1518:           if( z[i+1]>='0' && z[i+1]<='7' ){
                   1519:             i++;
                   1520:             c = (c<<3) + z[i] - '0';
                   1521:           }
                   1522:         }
                   1523:       }
                   1524:     }
                   1525:     z[j] = c;
                   1526:   }
                   1527:   z[j] = 0;
                   1528: }
                   1529:
                   1530: /*
1.1.1.7 ! jturner  1531: ** Return the value of a hexadecimal digit.  Return -1 if the input
        !          1532: ** is not a hex digit.
1.1       espie    1533: */
1.1.1.7 ! jturner  1534: static int hexDigitValue(char c){
        !          1535:   if( c>='0' && c<='9' ) return c - '0';
        !          1536:   if( c>='a' && c<='f' ) return c - 'a' + 10;
        !          1537:   if( c>='A' && c<='F' ) return c - 'A' + 10;
        !          1538:   return -1;
1.1.1.6   landry   1539: }
                   1540:
                   1541: /*
                   1542: ** Interpret zArg as an integer value, possibly with suffixes.
                   1543: */
                   1544: static sqlite3_int64 integerValue(const char *zArg){
                   1545:   sqlite3_int64 v = 0;
                   1546:   static const struct { char *zSuffix; int iMult; } aMult[] = {
                   1547:     { "KiB", 1024 },
                   1548:     { "MiB", 1024*1024 },
                   1549:     { "GiB", 1024*1024*1024 },
                   1550:     { "KB",  1000 },
                   1551:     { "MB",  1000000 },
                   1552:     { "GB",  1000000000 },
                   1553:     { "K",   1000 },
                   1554:     { "M",   1000000 },
                   1555:     { "G",   1000000000 },
                   1556:   };
                   1557:   int i;
                   1558:   int isNeg = 0;
                   1559:   if( zArg[0]=='-' ){
                   1560:     isNeg = 1;
                   1561:     zArg++;
                   1562:   }else if( zArg[0]=='+' ){
                   1563:     zArg++;
                   1564:   }
1.1.1.7 ! jturner  1565:   if( zArg[0]=='0' && zArg[1]=='x' ){
        !          1566:     int x;
        !          1567:     zArg += 2;
        !          1568:     while( (x = hexDigitValue(zArg[0]))>=0 ){
        !          1569:       v = (v<<4) + x;
        !          1570:       zArg++;
        !          1571:     }
        !          1572:   }else{
        !          1573:     while( IsDigit(zArg[0]) ){
        !          1574:       v = v*10 + zArg[0] - '0';
        !          1575:       zArg++;
        !          1576:     }
1.1.1.6   landry   1577:   }
1.1.1.7 ! jturner  1578:   for(i=0; i<ArraySize(aMult); i++){
1.1.1.6   landry   1579:     if( sqlite3_stricmp(aMult[i].zSuffix, zArg)==0 ){
                   1580:       v *= aMult[i].iMult;
                   1581:       break;
                   1582:     }
1.1       espie    1583:   }
1.1.1.6   landry   1584:   return isNeg? -v : v;
1.1       espie    1585: }
                   1586:
                   1587: /*
1.1.1.7 ! jturner  1588: ** Interpret zArg as either an integer or a boolean value.  Return 1 or 0
        !          1589: ** for TRUE and FALSE.  Return the integer value if appropriate.
        !          1590: */
        !          1591: static int booleanValue(char *zArg){
        !          1592:   int i;
        !          1593:   if( zArg[0]=='0' && zArg[1]=='x' ){
        !          1594:     for(i=2; hexDigitValue(zArg[i])>=0; i++){}
        !          1595:   }else{
        !          1596:     for(i=0; zArg[i]>='0' && zArg[i]<='9'; i++){}
        !          1597:   }
        !          1598:   if( i>0 && zArg[i]==0 ) return (int)(integerValue(zArg) & 0xffffffff);
        !          1599:   if( sqlite3_stricmp(zArg, "on")==0 || sqlite3_stricmp(zArg,"yes")==0 ){
        !          1600:     return 1;
        !          1601:   }
        !          1602:   if( sqlite3_stricmp(zArg, "off")==0 || sqlite3_stricmp(zArg,"no")==0 ){
        !          1603:     return 0;
        !          1604:   }
        !          1605:   fprintf(stderr, "ERROR: Not a boolean value: \"%s\". Assuming \"no\".\n",
        !          1606:           zArg);
        !          1607:   return 0;
        !          1608: }
        !          1609:
        !          1610: /*
1.1.1.2   espie    1611: ** Close an output file, assuming it is not stderr or stdout
                   1612: */
                   1613: static void output_file_close(FILE *f){
                   1614:   if( f && f!=stdout && f!=stderr ) fclose(f);
                   1615: }
                   1616:
                   1617: /*
                   1618: ** Try to open an output file.   The names "stdout" and "stderr" are
                   1619: ** recognized and do the right thing.  NULL is returned if the output
                   1620: ** filename is "off".
                   1621: */
                   1622: static FILE *output_file_open(const char *zFile){
                   1623:   FILE *f;
                   1624:   if( strcmp(zFile,"stdout")==0 ){
                   1625:     f = stdout;
                   1626:   }else if( strcmp(zFile, "stderr")==0 ){
                   1627:     f = stderr;
                   1628:   }else if( strcmp(zFile, "off")==0 ){
                   1629:     f = 0;
                   1630:   }else{
                   1631:     f = fopen(zFile, "wb");
                   1632:     if( f==0 ){
                   1633:       fprintf(stderr, "Error: cannot open \"%s\"\n", zFile);
                   1634:     }
                   1635:   }
                   1636:   return f;
                   1637: }
                   1638:
                   1639: /*
                   1640: ** A routine for handling output from sqlite3_trace().
                   1641: */
                   1642: static void sql_trace_callback(void *pArg, const char *z){
                   1643:   FILE *f = (FILE*)pArg;
                   1644:   if( f ) fprintf(f, "%s\n", z);
                   1645: }
                   1646:
                   1647: /*
                   1648: ** A no-op routine that runs with the ".breakpoint" doc-command.  This is
                   1649: ** a useful spot to set a debugger breakpoint.
                   1650: */
                   1651: static void test_breakpoint(void){
                   1652:   static int nCall = 0;
                   1653:   nCall++;
                   1654: }
                   1655:
                   1656: /*
1.1.1.7 ! jturner  1657: ** An object used to read a CSV file
        !          1658: */
        !          1659: typedef struct CSVReader CSVReader;
        !          1660: struct CSVReader {
        !          1661:   const char *zFile;  /* Name of the input file */
        !          1662:   FILE *in;           /* Read the CSV text from this input stream */
        !          1663:   char *z;            /* Accumulated text for a field */
        !          1664:   int n;              /* Number of bytes in z */
        !          1665:   int nAlloc;         /* Space allocated for z[] */
        !          1666:   int nLine;          /* Current line number */
        !          1667:   int cTerm;          /* Character that terminated the most recent field */
        !          1668:   int cSeparator;     /* The separator character.  (Usually ",") */
        !          1669: };
        !          1670:
        !          1671: /* Append a single byte to z[] */
        !          1672: static void csv_append_char(CSVReader *p, int c){
        !          1673:   if( p->n+1>=p->nAlloc ){
        !          1674:     p->nAlloc += p->nAlloc + 100;
        !          1675:     p->z = sqlite3_realloc(p->z, p->nAlloc);
        !          1676:     if( p->z==0 ){
        !          1677:       fprintf(stderr, "out of memory\n");
        !          1678:       exit(1);
        !          1679:     }
        !          1680:   }
        !          1681:   p->z[p->n++] = (char)c;
        !          1682: }
        !          1683:
        !          1684: /* Read a single field of CSV text.  Compatible with rfc4180 and extended
        !          1685: ** with the option of having a separator other than ",".
        !          1686: **
        !          1687: **   +  Input comes from p->in.
        !          1688: **   +  Store results in p->z of length p->n.  Space to hold p->z comes
        !          1689: **      from sqlite3_malloc().
        !          1690: **   +  Use p->cSep as the separator.  The default is ",".
        !          1691: **   +  Keep track of the line number in p->nLine.
        !          1692: **   +  Store the character that terminates the field in p->cTerm.  Store
        !          1693: **      EOF on end-of-file.
        !          1694: **   +  Report syntax errors on stderr
        !          1695: */
        !          1696: static char *csv_read_one_field(CSVReader *p){
        !          1697:   int c, pc;
        !          1698:   int cSep = p->cSeparator;
        !          1699:   p->n = 0;
        !          1700:   c = fgetc(p->in);
        !          1701:   if( c==EOF || seenInterrupt ){
        !          1702:     p->cTerm = EOF;
        !          1703:     return 0;
        !          1704:   }
        !          1705:   if( c=='"' ){
        !          1706:     int startLine = p->nLine;
        !          1707:     int cQuote = c;
        !          1708:     pc = 0;
        !          1709:     while( 1 ){
        !          1710:       c = fgetc(p->in);
        !          1711:       if( c=='\n' ) p->nLine++;
        !          1712:       if( c==cQuote ){
        !          1713:         if( pc==cQuote ){
        !          1714:           pc = 0;
        !          1715:           continue;
        !          1716:         }
        !          1717:       }
        !          1718:       if( (c==cSep && pc==cQuote)
        !          1719:        || (c=='\n' && pc==cQuote)
        !          1720:        || (c=='\n' && pc=='\r' && p->n>=2 && p->z[p->n-2]==cQuote)
        !          1721:        || (c==EOF && pc==cQuote)
        !          1722:       ){
        !          1723:         do{ p->n--; }while( p->z[p->n]!=cQuote );
        !          1724:         p->cTerm = c;
        !          1725:         break;
        !          1726:       }
        !          1727:       if( pc==cQuote && c!='\r' ){
        !          1728:         fprintf(stderr, "%s:%d: unescaped %c character\n",
        !          1729:                 p->zFile, p->nLine, cQuote);
        !          1730:       }
        !          1731:       if( c==EOF ){
        !          1732:         fprintf(stderr, "%s:%d: unterminated %c-quoted field\n",
        !          1733:                 p->zFile, startLine, cQuote);
        !          1734:         p->cTerm = EOF;
        !          1735:         break;
        !          1736:       }
        !          1737:       csv_append_char(p, c);
        !          1738:       pc = c;
        !          1739:     }
        !          1740:   }else{
        !          1741:     while( c!=EOF && c!=cSep && c!='\n' ){
        !          1742:       csv_append_char(p, c);
        !          1743:       c = fgetc(p->in);
        !          1744:     }
        !          1745:     if( c=='\n' ){
        !          1746:       p->nLine++;
        !          1747:       if( p->n>1 && p->z[p->n-1]=='\r' ) p->n--;
        !          1748:     }
        !          1749:     p->cTerm = c;
        !          1750:   }
        !          1751:   if( p->z ) p->z[p->n] = 0;
        !          1752:   return p->z;
        !          1753: }
        !          1754:
        !          1755: /*
1.1       espie    1756: ** If an input line begins with "." then invoke this routine to
                   1757: ** process that line.
                   1758: **
                   1759: ** Return 1 on error, 2 to exit, and 0 otherwise.
                   1760: */
                   1761: static int do_meta_command(char *zLine, struct callback_data *p){
                   1762:   int i = 1;
                   1763:   int nArg = 0;
                   1764:   int n, c;
                   1765:   int rc = 0;
                   1766:   char *azArg[50];
                   1767:
                   1768:   /* Parse the input line into tokens.
                   1769:   */
                   1770:   while( zLine[i] && nArg<ArraySize(azArg) ){
                   1771:     while( IsSpace(zLine[i]) ){ i++; }
                   1772:     if( zLine[i]==0 ) break;
                   1773:     if( zLine[i]=='\'' || zLine[i]=='"' ){
                   1774:       int delim = zLine[i++];
                   1775:       azArg[nArg++] = &zLine[i];
1.1.1.7 ! jturner  1776:       while( zLine[i] && zLine[i]!=delim ){
        !          1777:         if( zLine[i]=='\\' && delim=='"' && zLine[i+1]!=0 ) i++;
        !          1778:         i++;
        !          1779:       }
1.1       espie    1780:       if( zLine[i]==delim ){
                   1781:         zLine[i++] = 0;
                   1782:       }
                   1783:       if( delim=='"' ) resolve_backslashes(azArg[nArg-1]);
                   1784:     }else{
                   1785:       azArg[nArg++] = &zLine[i];
                   1786:       while( zLine[i] && !IsSpace(zLine[i]) ){ i++; }
                   1787:       if( zLine[i] ) zLine[i++] = 0;
                   1788:       resolve_backslashes(azArg[nArg-1]);
                   1789:     }
                   1790:   }
                   1791:
                   1792:   /* Process the input line.
                   1793:   */
                   1794:   if( nArg==0 ) return 0; /* no tokens, no error */
                   1795:   n = strlen30(azArg[0]);
                   1796:   c = azArg[0][0];
1.1.1.6   landry   1797:   if( c=='b' && n>=3 && strncmp(azArg[0], "backup", n)==0 ){
                   1798:     const char *zDestFile = 0;
                   1799:     const char *zDb = 0;
1.1       espie    1800:     sqlite3 *pDest;
                   1801:     sqlite3_backup *pBackup;
1.1.1.6   landry   1802:     int j;
                   1803:     for(j=1; j<nArg; j++){
                   1804:       const char *z = azArg[j];
                   1805:       if( z[0]=='-' ){
                   1806:         while( z[0]=='-' ) z++;
1.1.1.7 ! jturner  1807:         /* No options to process at this time */
1.1.1.6   landry   1808:         {
                   1809:           fprintf(stderr, "unknown option: %s\n", azArg[j]);
                   1810:           return 1;
                   1811:         }
                   1812:       }else if( zDestFile==0 ){
                   1813:         zDestFile = azArg[j];
                   1814:       }else if( zDb==0 ){
                   1815:         zDb = zDestFile;
                   1816:         zDestFile = azArg[j];
                   1817:       }else{
                   1818:         fprintf(stderr, "too many arguments to .backup\n");
                   1819:         return 1;
                   1820:       }
                   1821:     }
                   1822:     if( zDestFile==0 ){
                   1823:       fprintf(stderr, "missing FILENAME argument on .backup\n");
                   1824:       return 1;
1.1       espie    1825:     }
1.1.1.6   landry   1826:     if( zDb==0 ) zDb = "main";
1.1       espie    1827:     rc = sqlite3_open(zDestFile, &pDest);
                   1828:     if( rc!=SQLITE_OK ){
                   1829:       fprintf(stderr, "Error: cannot open \"%s\"\n", zDestFile);
                   1830:       sqlite3_close(pDest);
                   1831:       return 1;
                   1832:     }
                   1833:     open_db(p);
                   1834:     pBackup = sqlite3_backup_init(pDest, "main", p->db, zDb);
                   1835:     if( pBackup==0 ){
                   1836:       fprintf(stderr, "Error: %s\n", sqlite3_errmsg(pDest));
                   1837:       sqlite3_close(pDest);
                   1838:       return 1;
                   1839:     }
                   1840:     while(  (rc = sqlite3_backup_step(pBackup,100))==SQLITE_OK ){}
                   1841:     sqlite3_backup_finish(pBackup);
                   1842:     if( rc==SQLITE_DONE ){
                   1843:       rc = 0;
                   1844:     }else{
                   1845:       fprintf(stderr, "Error: %s\n", sqlite3_errmsg(pDest));
                   1846:       rc = 1;
                   1847:     }
                   1848:     sqlite3_close(pDest);
                   1849:   }else
                   1850:
                   1851:   if( c=='b' && n>=3 && strncmp(azArg[0], "bail", n)==0 && nArg>1 && nArg<3 ){
                   1852:     bail_on_error = booleanValue(azArg[1]);
                   1853:   }else
                   1854:
1.1.1.2   espie    1855:   /* The undocumented ".breakpoint" command causes a call to the no-op
                   1856:   ** routine named test_breakpoint().
                   1857:   */
                   1858:   if( c=='b' && n>=3 && strncmp(azArg[0], "breakpoint", n)==0 ){
                   1859:     test_breakpoint();
                   1860:   }else
                   1861:
1.1       espie    1862:   if( c=='d' && n>1 && strncmp(azArg[0], "databases", n)==0 && nArg==1 ){
                   1863:     struct callback_data data;
                   1864:     char *zErrMsg = 0;
                   1865:     open_db(p);
                   1866:     memcpy(&data, p, sizeof(data));
                   1867:     data.showHeader = 1;
                   1868:     data.mode = MODE_Column;
                   1869:     data.colWidth[0] = 3;
                   1870:     data.colWidth[1] = 15;
                   1871:     data.colWidth[2] = 58;
                   1872:     data.cnt = 0;
                   1873:     sqlite3_exec(p->db, "PRAGMA database_list; ", callback, &data, &zErrMsg);
                   1874:     if( zErrMsg ){
                   1875:       fprintf(stderr,"Error: %s\n", zErrMsg);
                   1876:       sqlite3_free(zErrMsg);
                   1877:       rc = 1;
                   1878:     }
                   1879:   }else
                   1880:
                   1881:   if( c=='d' && strncmp(azArg[0], "dump", n)==0 && nArg<3 ){
                   1882:     open_db(p);
                   1883:     /* When playing back a "dump", the content might appear in an order
                   1884:     ** which causes immediate foreign key constraints to be violated.
                   1885:     ** So disable foreign-key constraint enforcement to prevent problems. */
                   1886:     fprintf(p->out, "PRAGMA foreign_keys=OFF;\n");
                   1887:     fprintf(p->out, "BEGIN TRANSACTION;\n");
                   1888:     p->writableSchema = 0;
                   1889:     sqlite3_exec(p->db, "SAVEPOINT dump; PRAGMA writable_schema=ON", 0, 0, 0);
                   1890:     p->nErr = 0;
                   1891:     if( nArg==1 ){
                   1892:       run_schema_dump_query(p,
                   1893:         "SELECT name, type, sql FROM sqlite_master "
                   1894:         "WHERE sql NOT NULL AND type=='table' AND name!='sqlite_sequence'"
                   1895:       );
                   1896:       run_schema_dump_query(p,
                   1897:         "SELECT name, type, sql FROM sqlite_master "
                   1898:         "WHERE name=='sqlite_sequence'"
                   1899:       );
                   1900:       run_table_dump_query(p,
                   1901:         "SELECT sql FROM sqlite_master "
                   1902:         "WHERE sql NOT NULL AND type IN ('index','trigger','view')", 0
                   1903:       );
                   1904:     }else{
                   1905:       int i;
                   1906:       for(i=1; i<nArg; i++){
                   1907:         zShellStatic = azArg[i];
                   1908:         run_schema_dump_query(p,
                   1909:           "SELECT name, type, sql FROM sqlite_master "
                   1910:           "WHERE tbl_name LIKE shellstatic() AND type=='table'"
                   1911:           "  AND sql NOT NULL");
                   1912:         run_table_dump_query(p,
                   1913:           "SELECT sql FROM sqlite_master "
                   1914:           "WHERE sql NOT NULL"
                   1915:           "  AND type IN ('index','trigger','view')"
                   1916:           "  AND tbl_name LIKE shellstatic()", 0
                   1917:         );
                   1918:         zShellStatic = 0;
                   1919:       }
                   1920:     }
                   1921:     if( p->writableSchema ){
                   1922:       fprintf(p->out, "PRAGMA writable_schema=OFF;\n");
                   1923:       p->writableSchema = 0;
                   1924:     }
                   1925:     sqlite3_exec(p->db, "PRAGMA writable_schema=OFF;", 0, 0, 0);
                   1926:     sqlite3_exec(p->db, "RELEASE dump;", 0, 0, 0);
                   1927:     fprintf(p->out, p->nErr ? "ROLLBACK; -- due to errors\n" : "COMMIT;\n");
                   1928:   }else
                   1929:
                   1930:   if( c=='e' && strncmp(azArg[0], "echo", n)==0 && nArg>1 && nArg<3 ){
                   1931:     p->echoOn = booleanValue(azArg[1]);
                   1932:   }else
                   1933:
1.1.1.6   landry   1934:   if( c=='e' && strncmp(azArg[0], "exit", n)==0 ){
1.1.1.7 ! jturner  1935:     if( nArg>1 && (rc = (int)integerValue(azArg[1]))!=0 ) exit(rc);
1.1       espie    1936:     rc = 2;
                   1937:   }else
                   1938:
                   1939:   if( c=='e' && strncmp(azArg[0], "explain", n)==0 && nArg<3 ){
                   1940:     int val = nArg>=2 ? booleanValue(azArg[1]) : 1;
                   1941:     if(val == 1) {
                   1942:       if(!p->explainPrev.valid) {
                   1943:         p->explainPrev.valid = 1;
                   1944:         p->explainPrev.mode = p->mode;
                   1945:         p->explainPrev.showHeader = p->showHeader;
                   1946:         memcpy(p->explainPrev.colWidth,p->colWidth,sizeof(p->colWidth));
                   1947:       }
                   1948:       /* We could put this code under the !p->explainValid
                   1949:       ** condition so that it does not execute if we are already in
                   1950:       ** explain mode. However, always executing it allows us an easy
                   1951:       ** was to reset to explain mode in case the user previously
                   1952:       ** did an .explain followed by a .width, .mode or .header
                   1953:       ** command.
                   1954:       */
                   1955:       p->mode = MODE_Explain;
                   1956:       p->showHeader = 1;
                   1957:       memset(p->colWidth,0,ArraySize(p->colWidth));
                   1958:       p->colWidth[0] = 4;                  /* addr */
                   1959:       p->colWidth[1] = 13;                 /* opcode */
                   1960:       p->colWidth[2] = 4;                  /* P1 */
                   1961:       p->colWidth[3] = 4;                  /* P2 */
                   1962:       p->colWidth[4] = 4;                  /* P3 */
                   1963:       p->colWidth[5] = 13;                 /* P4 */
                   1964:       p->colWidth[6] = 2;                  /* P5 */
                   1965:       p->colWidth[7] = 13;                  /* Comment */
                   1966:     }else if (p->explainPrev.valid) {
                   1967:       p->explainPrev.valid = 0;
                   1968:       p->mode = p->explainPrev.mode;
                   1969:       p->showHeader = p->explainPrev.showHeader;
                   1970:       memcpy(p->colWidth,p->explainPrev.colWidth,sizeof(p->colWidth));
                   1971:     }
                   1972:   }else
                   1973:
                   1974:   if( c=='h' && (strncmp(azArg[0], "header", n)==0 ||
                   1975:                  strncmp(azArg[0], "headers", n)==0) && nArg>1 && nArg<3 ){
                   1976:     p->showHeader = booleanValue(azArg[1]);
                   1977:   }else
                   1978:
                   1979:   if( c=='h' && strncmp(azArg[0], "help", n)==0 ){
                   1980:     fprintf(stderr,"%s",zHelp);
                   1981:     if( HAS_TIMER ){
                   1982:       fprintf(stderr,"%s",zTimerHelp);
                   1983:     }
                   1984:   }else
                   1985:
                   1986:   if( c=='i' && strncmp(azArg[0], "import", n)==0 && nArg==3 ){
                   1987:     char *zTable = azArg[2];    /* Insert data into this table */
1.1.1.7 ! jturner  1988:     char *zFile = azArg[1];     /* Name of file to extra content from */
1.1       espie    1989:     sqlite3_stmt *pStmt = NULL; /* A statement */
                   1990:     int nCol;                   /* Number of columns in the table */
                   1991:     int nByte;                  /* Number of bytes in an SQL string */
                   1992:     int i, j;                   /* Loop counters */
1.1.1.7 ! jturner  1993:     int needCommit;             /* True to COMMIT or ROLLBACK at end */
1.1       espie    1994:     int nSep;                   /* Number of bytes in p->separator[] */
                   1995:     char *zSql;                 /* An SQL statement */
1.1.1.7 ! jturner  1996:     CSVReader sCsv;             /* Reader context */
        !          1997:     int (*xCloser)(FILE*);      /* Procedure to close th3 connection */
1.1       espie    1998:
1.1.1.7 ! jturner  1999:     seenInterrupt = 0;
        !          2000:     memset(&sCsv, 0, sizeof(sCsv));
1.1       espie    2001:     open_db(p);
                   2002:     nSep = strlen30(p->separator);
                   2003:     if( nSep==0 ){
                   2004:       fprintf(stderr, "Error: non-null separator required for import\n");
                   2005:       return 1;
                   2006:     }
1.1.1.7 ! jturner  2007:     if( nSep>1 ){
        !          2008:       fprintf(stderr, "Error: multi-character separators not allowed"
        !          2009:                       " for import\n");
        !          2010:       return 1;
        !          2011:     }
        !          2012:     sCsv.zFile = zFile;
        !          2013:     sCsv.nLine = 1;
        !          2014:     if( sCsv.zFile[0]=='|' ){
        !          2015:       sCsv.in = popen(sCsv.zFile+1, "r");
        !          2016:       sCsv.zFile = "<pipe>";
        !          2017:       xCloser = pclose;
        !          2018:     }else{
        !          2019:       sCsv.in = fopen(sCsv.zFile, "rb");
        !          2020:       xCloser = fclose;
        !          2021:     }
        !          2022:     if( sCsv.in==0 ){
        !          2023:       fprintf(stderr, "Error: cannot open \"%s\"\n", zFile);
        !          2024:       return 1;
        !          2025:     }
        !          2026:     sCsv.cSeparator = p->separator[0];
1.1       espie    2027:     zSql = sqlite3_mprintf("SELECT * FROM %s", zTable);
                   2028:     if( zSql==0 ){
                   2029:       fprintf(stderr, "Error: out of memory\n");
1.1.1.7 ! jturner  2030:       xCloser(sCsv.in);
1.1       espie    2031:       return 1;
                   2032:     }
                   2033:     nByte = strlen30(zSql);
                   2034:     rc = sqlite3_prepare(p->db, zSql, -1, &pStmt, 0);
1.1.1.7 ! jturner  2035:     if( rc && sqlite3_strglob("no such table: *", sqlite3_errmsg(db))==0 ){
        !          2036:       char *zCreate = sqlite3_mprintf("CREATE TABLE %s", zTable);
        !          2037:       char cSep = '(';
        !          2038:       while( csv_read_one_field(&sCsv) ){
        !          2039:         zCreate = sqlite3_mprintf("%z%c\n  \"%s\" TEXT", zCreate, cSep, sCsv.z);
        !          2040:         cSep = ',';
        !          2041:         if( sCsv.cTerm!=sCsv.cSeparator ) break;
        !          2042:       }
        !          2043:       if( cSep=='(' ){
        !          2044:         sqlite3_free(zCreate);
        !          2045:         sqlite3_free(sCsv.z);
        !          2046:         xCloser(sCsv.in);
        !          2047:         fprintf(stderr,"%s: empty file\n", sCsv.zFile);
        !          2048:         return 1;
        !          2049:       }
        !          2050:       zCreate = sqlite3_mprintf("%z\n)", zCreate);
        !          2051:       rc = sqlite3_exec(p->db, zCreate, 0, 0, 0);
        !          2052:       sqlite3_free(zCreate);
        !          2053:       if( rc ){
        !          2054:         fprintf(stderr, "CREATE TABLE %s(...) failed: %s\n", zTable,
        !          2055:                 sqlite3_errmsg(db));
        !          2056:         sqlite3_free(sCsv.z);
        !          2057:         xCloser(sCsv.in);
        !          2058:         return 1;
        !          2059:       }
        !          2060:       rc = sqlite3_prepare(p->db, zSql, -1, &pStmt, 0);
        !          2061:     }
1.1       espie    2062:     sqlite3_free(zSql);
                   2063:     if( rc ){
                   2064:       if (pStmt) sqlite3_finalize(pStmt);
                   2065:       fprintf(stderr,"Error: %s\n", sqlite3_errmsg(db));
1.1.1.7 ! jturner  2066:       xCloser(sCsv.in);
1.1       espie    2067:       return 1;
                   2068:     }
                   2069:     nCol = sqlite3_column_count(pStmt);
                   2070:     sqlite3_finalize(pStmt);
                   2071:     pStmt = 0;
                   2072:     if( nCol==0 ) return 0; /* no columns, no error */
1.1.1.7 ! jturner  2073:     zSql = sqlite3_malloc( nByte*2 + 20 + nCol*2 );
1.1       espie    2074:     if( zSql==0 ){
                   2075:       fprintf(stderr, "Error: out of memory\n");
1.1.1.7 ! jturner  2076:       xCloser(sCsv.in);
1.1       espie    2077:       return 1;
                   2078:     }
1.1.1.7 ! jturner  2079:     sqlite3_snprintf(nByte+20, zSql, "INSERT INTO \"%w\" VALUES(?", zTable);
1.1       espie    2080:     j = strlen30(zSql);
                   2081:     for(i=1; i<nCol; i++){
                   2082:       zSql[j++] = ',';
                   2083:       zSql[j++] = '?';
                   2084:     }
                   2085:     zSql[j++] = ')';
                   2086:     zSql[j] = 0;
                   2087:     rc = sqlite3_prepare(p->db, zSql, -1, &pStmt, 0);
1.1.1.7 ! jturner  2088:     sqlite3_free(zSql);
1.1       espie    2089:     if( rc ){
                   2090:       fprintf(stderr, "Error: %s\n", sqlite3_errmsg(db));
                   2091:       if (pStmt) sqlite3_finalize(pStmt);
1.1.1.7 ! jturner  2092:       xCloser(sCsv.in);
1.1       espie    2093:       return 1;
                   2094:     }
1.1.1.7 ! jturner  2095:     needCommit = sqlite3_get_autocommit(db);
        !          2096:     if( needCommit ) sqlite3_exec(db, "BEGIN", 0, 0, 0);
        !          2097:     do{
        !          2098:       int startLine = sCsv.nLine;
        !          2099:       for(i=0; i<nCol; i++){
        !          2100:         char *z = csv_read_one_field(&sCsv);
        !          2101:         if( z==0 && i==0 ) break;
        !          2102:         sqlite3_bind_text(pStmt, i+1, z, -1, SQLITE_TRANSIENT);
        !          2103:         if( i<nCol-1 && sCsv.cTerm!=sCsv.cSeparator ){
        !          2104:           fprintf(stderr, "%s:%d: expected %d columns but found %d - "
        !          2105:                           "filling the rest with NULL\n",
        !          2106:                           sCsv.zFile, startLine, nCol, i+1);
1.1       espie    2107:           i++;
1.1.1.7 ! jturner  2108:           while( i<nCol ){ sqlite3_bind_null(pStmt, i); i++; }
1.1       espie    2109:         }
                   2110:       }
1.1.1.7 ! jturner  2111:       if( sCsv.cTerm==sCsv.cSeparator ){
        !          2112:         do{
        !          2113:           csv_read_one_field(&sCsv);
        !          2114:           i++;
        !          2115:         }while( sCsv.cTerm==sCsv.cSeparator );
        !          2116:         fprintf(stderr, "%s:%d: expected %d columns but found %d - "
        !          2117:                         "extras ignored\n",
        !          2118:                         sCsv.zFile, startLine, nCol, i);
        !          2119:       }
        !          2120:       if( i>=nCol ){
        !          2121:         sqlite3_step(pStmt);
        !          2122:         rc = sqlite3_reset(pStmt);
        !          2123:         if( rc!=SQLITE_OK ){
        !          2124:           fprintf(stderr, "%s:%d: INSERT failed: %s\n", sCsv.zFile, startLine,
        !          2125:                   sqlite3_errmsg(db));
1.1       espie    2126:         }
                   2127:       }
1.1.1.7 ! jturner  2128:     }while( sCsv.cTerm!=EOF );
        !          2129:
        !          2130:     xCloser(sCsv.in);
        !          2131:     sqlite3_free(sCsv.z);
1.1       espie    2132:     sqlite3_finalize(pStmt);
1.1.1.7 ! jturner  2133:     if( needCommit ) sqlite3_exec(db, "COMMIT", 0, 0, 0);
1.1       espie    2134:   }else
                   2135:
                   2136:   if( c=='i' && strncmp(azArg[0], "indices", n)==0 && nArg<3 ){
                   2137:     struct callback_data data;
                   2138:     char *zErrMsg = 0;
                   2139:     open_db(p);
                   2140:     memcpy(&data, p, sizeof(data));
                   2141:     data.showHeader = 0;
                   2142:     data.mode = MODE_List;
                   2143:     if( nArg==1 ){
                   2144:       rc = sqlite3_exec(p->db,
                   2145:         "SELECT name FROM sqlite_master "
                   2146:         "WHERE type='index' AND name NOT LIKE 'sqlite_%' "
                   2147:         "UNION ALL "
                   2148:         "SELECT name FROM sqlite_temp_master "
                   2149:         "WHERE type='index' "
                   2150:         "ORDER BY 1",
                   2151:         callback, &data, &zErrMsg
                   2152:       );
                   2153:     }else{
                   2154:       zShellStatic = azArg[1];
                   2155:       rc = sqlite3_exec(p->db,
                   2156:         "SELECT name FROM sqlite_master "
                   2157:         "WHERE type='index' AND tbl_name LIKE shellstatic() "
                   2158:         "UNION ALL "
                   2159:         "SELECT name FROM sqlite_temp_master "
                   2160:         "WHERE type='index' AND tbl_name LIKE shellstatic() "
                   2161:         "ORDER BY 1",
                   2162:         callback, &data, &zErrMsg
                   2163:       );
                   2164:       zShellStatic = 0;
                   2165:     }
                   2166:     if( zErrMsg ){
                   2167:       fprintf(stderr,"Error: %s\n", zErrMsg);
                   2168:       sqlite3_free(zErrMsg);
                   2169:       rc = 1;
                   2170:     }else if( rc != SQLITE_OK ){
                   2171:       fprintf(stderr,"Error: querying sqlite_master and sqlite_temp_master\n");
                   2172:       rc = 1;
                   2173:     }
                   2174:   }else
                   2175:
                   2176: #ifdef SQLITE_ENABLE_IOTRACE
                   2177:   if( c=='i' && strncmp(azArg[0], "iotrace", n)==0 ){
                   2178:     extern void (*sqlite3IoTrace)(const char*, ...);
                   2179:     if( iotrace && iotrace!=stdout ) fclose(iotrace);
                   2180:     iotrace = 0;
                   2181:     if( nArg<2 ){
                   2182:       sqlite3IoTrace = 0;
                   2183:     }else if( strcmp(azArg[1], "-")==0 ){
                   2184:       sqlite3IoTrace = iotracePrintf;
                   2185:       iotrace = stdout;
                   2186:     }else{
                   2187:       iotrace = fopen(azArg[1], "w");
                   2188:       if( iotrace==0 ){
                   2189:         fprintf(stderr, "Error: cannot open \"%s\"\n", azArg[1]);
                   2190:         sqlite3IoTrace = 0;
                   2191:         rc = 1;
                   2192:       }else{
                   2193:         sqlite3IoTrace = iotracePrintf;
                   2194:       }
                   2195:     }
                   2196:   }else
                   2197: #endif
                   2198:
                   2199: #ifndef SQLITE_OMIT_LOAD_EXTENSION
                   2200:   if( c=='l' && strncmp(azArg[0], "load", n)==0 && nArg>=2 ){
                   2201:     const char *zFile, *zProc;
                   2202:     char *zErrMsg = 0;
                   2203:     zFile = azArg[1];
                   2204:     zProc = nArg>=3 ? azArg[2] : 0;
                   2205:     open_db(p);
                   2206:     rc = sqlite3_load_extension(p->db, zFile, zProc, &zErrMsg);
                   2207:     if( rc!=SQLITE_OK ){
                   2208:       fprintf(stderr, "Error: %s\n", zErrMsg);
                   2209:       sqlite3_free(zErrMsg);
                   2210:       rc = 1;
                   2211:     }
                   2212:   }else
                   2213: #endif
                   2214:
                   2215:   if( c=='l' && strncmp(azArg[0], "log", n)==0 && nArg>=2 ){
                   2216:     const char *zFile = azArg[1];
1.1.1.2   espie    2217:     output_file_close(p->pLog);
                   2218:     p->pLog = output_file_open(zFile);
1.1       espie    2219:   }else
                   2220:
                   2221:   if( c=='m' && strncmp(azArg[0], "mode", n)==0 && nArg==2 ){
                   2222:     int n2 = strlen30(azArg[1]);
                   2223:     if( (n2==4 && strncmp(azArg[1],"line",n2)==0)
                   2224:         ||
                   2225:         (n2==5 && strncmp(azArg[1],"lines",n2)==0) ){
                   2226:       p->mode = MODE_Line;
                   2227:     }else if( (n2==6 && strncmp(azArg[1],"column",n2)==0)
                   2228:               ||
                   2229:               (n2==7 && strncmp(azArg[1],"columns",n2)==0) ){
                   2230:       p->mode = MODE_Column;
                   2231:     }else if( n2==4 && strncmp(azArg[1],"list",n2)==0 ){
                   2232:       p->mode = MODE_List;
                   2233:     }else if( n2==4 && strncmp(azArg[1],"html",n2)==0 ){
                   2234:       p->mode = MODE_Html;
                   2235:     }else if( n2==3 && strncmp(azArg[1],"tcl",n2)==0 ){
                   2236:       p->mode = MODE_Tcl;
1.1.1.5   espie    2237:       sqlite3_snprintf(sizeof(p->separator), p->separator, " ");
1.1       espie    2238:     }else if( n2==3 && strncmp(azArg[1],"csv",n2)==0 ){
                   2239:       p->mode = MODE_Csv;
                   2240:       sqlite3_snprintf(sizeof(p->separator), p->separator, ",");
                   2241:     }else if( n2==4 && strncmp(azArg[1],"tabs",n2)==0 ){
                   2242:       p->mode = MODE_List;
                   2243:       sqlite3_snprintf(sizeof(p->separator), p->separator, "\t");
                   2244:     }else if( n2==6 && strncmp(azArg[1],"insert",n2)==0 ){
                   2245:       p->mode = MODE_Insert;
                   2246:       set_table_name(p, "table");
                   2247:     }else {
                   2248:       fprintf(stderr,"Error: mode should be one of: "
                   2249:          "column csv html insert line list tabs tcl\n");
                   2250:       rc = 1;
                   2251:     }
                   2252:   }else
                   2253:
                   2254:   if( c=='m' && strncmp(azArg[0], "mode", n)==0 && nArg==3 ){
                   2255:     int n2 = strlen30(azArg[1]);
                   2256:     if( n2==6 && strncmp(azArg[1],"insert",n2)==0 ){
                   2257:       p->mode = MODE_Insert;
                   2258:       set_table_name(p, azArg[2]);
                   2259:     }else {
                   2260:       fprintf(stderr, "Error: invalid arguments: "
                   2261:         " \"%s\". Enter \".help\" for help\n", azArg[2]);
                   2262:       rc = 1;
                   2263:     }
                   2264:   }else
                   2265:
                   2266:   if( c=='n' && strncmp(azArg[0], "nullvalue", n)==0 && nArg==2 ) {
                   2267:     sqlite3_snprintf(sizeof(p->nullvalue), p->nullvalue,
                   2268:                      "%.*s", (int)ArraySize(p->nullvalue)-1, azArg[1]);
                   2269:   }else
                   2270:
                   2271:   if( c=='o' && strncmp(azArg[0], "output", n)==0 && nArg==2 ){
1.1.1.2   espie    2272:     if( p->outfile[0]=='|' ){
                   2273:       pclose(p->out);
                   2274:     }else{
                   2275:       output_file_close(p->out);
1.1       espie    2276:     }
1.1.1.2   espie    2277:     p->outfile[0] = 0;
                   2278:     if( azArg[1][0]=='|' ){
                   2279:       p->out = popen(&azArg[1][1], "w");
                   2280:       if( p->out==0 ){
                   2281:         fprintf(stderr,"Error: cannot open pipe \"%s\"\n", &azArg[1][1]);
                   2282:         p->out = stdout;
                   2283:         rc = 1;
                   2284:       }else{
                   2285:         sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", azArg[1]);
                   2286:       }
1.1       espie    2287:     }else{
1.1.1.2   espie    2288:       p->out = output_file_open(azArg[1]);
1.1       espie    2289:       if( p->out==0 ){
1.1.1.2   espie    2290:         if( strcmp(azArg[1],"off")!=0 ){
                   2291:           fprintf(stderr,"Error: cannot write to \"%s\"\n", azArg[1]);
                   2292:         }
1.1       espie    2293:         p->out = stdout;
                   2294:         rc = 1;
                   2295:       } else {
1.1.1.2   espie    2296:         sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", azArg[1]);
1.1       espie    2297:       }
                   2298:     }
                   2299:   }else
                   2300:
1.1.1.5   espie    2301:   if( c=='p' && n>=3 && strncmp(azArg[0], "print", n)==0 ){
                   2302:     int i;
                   2303:     for(i=1; i<nArg; i++){
                   2304:       if( i>1 ) fprintf(p->out, " ");
                   2305:       fprintf(p->out, "%s", azArg[i]);
                   2306:     }
                   2307:     fprintf(p->out, "\n");
                   2308:   }else
                   2309:
1.1       espie    2310:   if( c=='p' && strncmp(azArg[0], "prompt", n)==0 && (nArg==2 || nArg==3)){
                   2311:     if( nArg >= 2) {
                   2312:       strncpy(mainPrompt,azArg[1],(int)ArraySize(mainPrompt)-1);
                   2313:     }
                   2314:     if( nArg >= 3) {
                   2315:       strncpy(continuePrompt,azArg[2],(int)ArraySize(continuePrompt)-1);
                   2316:     }
                   2317:   }else
                   2318:
                   2319:   if( c=='q' && strncmp(azArg[0], "quit", n)==0 && nArg==1 ){
                   2320:     rc = 2;
                   2321:   }else
                   2322:
                   2323:   if( c=='r' && n>=3 && strncmp(azArg[0], "read", n)==0 && nArg==2 ){
                   2324:     FILE *alt = fopen(azArg[1], "rb");
                   2325:     if( alt==0 ){
                   2326:       fprintf(stderr,"Error: cannot open \"%s\"\n", azArg[1]);
                   2327:       rc = 1;
                   2328:     }else{
                   2329:       rc = process_input(p, alt);
                   2330:       fclose(alt);
                   2331:     }
                   2332:   }else
                   2333:
                   2334:   if( c=='r' && n>=3 && strncmp(azArg[0], "restore", n)==0 && nArg>1 && nArg<4){
                   2335:     const char *zSrcFile;
                   2336:     const char *zDb;
                   2337:     sqlite3 *pSrc;
                   2338:     sqlite3_backup *pBackup;
                   2339:     int nTimeout = 0;
                   2340:
                   2341:     if( nArg==2 ){
                   2342:       zSrcFile = azArg[1];
                   2343:       zDb = "main";
                   2344:     }else{
                   2345:       zSrcFile = azArg[2];
                   2346:       zDb = azArg[1];
                   2347:     }
                   2348:     rc = sqlite3_open(zSrcFile, &pSrc);
                   2349:     if( rc!=SQLITE_OK ){
                   2350:       fprintf(stderr, "Error: cannot open \"%s\"\n", zSrcFile);
                   2351:       sqlite3_close(pSrc);
                   2352:       return 1;
                   2353:     }
                   2354:     open_db(p);
                   2355:     pBackup = sqlite3_backup_init(p->db, zDb, pSrc, "main");
                   2356:     if( pBackup==0 ){
                   2357:       fprintf(stderr, "Error: %s\n", sqlite3_errmsg(p->db));
                   2358:       sqlite3_close(pSrc);
                   2359:       return 1;
                   2360:     }
                   2361:     while( (rc = sqlite3_backup_step(pBackup,100))==SQLITE_OK
                   2362:           || rc==SQLITE_BUSY  ){
                   2363:       if( rc==SQLITE_BUSY ){
                   2364:         if( nTimeout++ >= 3 ) break;
                   2365:         sqlite3_sleep(100);
                   2366:       }
                   2367:     }
                   2368:     sqlite3_backup_finish(pBackup);
                   2369:     if( rc==SQLITE_DONE ){
                   2370:       rc = 0;
                   2371:     }else if( rc==SQLITE_BUSY || rc==SQLITE_LOCKED ){
                   2372:       fprintf(stderr, "Error: source database is busy\n");
                   2373:       rc = 1;
                   2374:     }else{
                   2375:       fprintf(stderr, "Error: %s\n", sqlite3_errmsg(p->db));
                   2376:       rc = 1;
                   2377:     }
                   2378:     sqlite3_close(pSrc);
                   2379:   }else
                   2380:
                   2381:   if( c=='s' && strncmp(azArg[0], "schema", n)==0 && nArg<3 ){
                   2382:     struct callback_data data;
                   2383:     char *zErrMsg = 0;
                   2384:     open_db(p);
                   2385:     memcpy(&data, p, sizeof(data));
                   2386:     data.showHeader = 0;
                   2387:     data.mode = MODE_Semi;
                   2388:     if( nArg>1 ){
                   2389:       int i;
                   2390:       for(i=0; azArg[1][i]; i++) azArg[1][i] = ToLower(azArg[1][i]);
                   2391:       if( strcmp(azArg[1],"sqlite_master")==0 ){
                   2392:         char *new_argv[2], *new_colv[2];
                   2393:         new_argv[0] = "CREATE TABLE sqlite_master (\n"
                   2394:                       "  type text,\n"
                   2395:                       "  name text,\n"
                   2396:                       "  tbl_name text,\n"
                   2397:                       "  rootpage integer,\n"
                   2398:                       "  sql text\n"
                   2399:                       ")";
                   2400:         new_argv[1] = 0;
                   2401:         new_colv[0] = "sql";
                   2402:         new_colv[1] = 0;
                   2403:         callback(&data, 1, new_argv, new_colv);
                   2404:         rc = SQLITE_OK;
                   2405:       }else if( strcmp(azArg[1],"sqlite_temp_master")==0 ){
                   2406:         char *new_argv[2], *new_colv[2];
                   2407:         new_argv[0] = "CREATE TEMP TABLE sqlite_temp_master (\n"
                   2408:                       "  type text,\n"
                   2409:                       "  name text,\n"
                   2410:                       "  tbl_name text,\n"
                   2411:                       "  rootpage integer,\n"
                   2412:                       "  sql text\n"
                   2413:                       ")";
                   2414:         new_argv[1] = 0;
                   2415:         new_colv[0] = "sql";
                   2416:         new_colv[1] = 0;
                   2417:         callback(&data, 1, new_argv, new_colv);
                   2418:         rc = SQLITE_OK;
                   2419:       }else{
                   2420:         zShellStatic = azArg[1];
                   2421:         rc = sqlite3_exec(p->db,
                   2422:           "SELECT sql FROM "
1.1.1.3   espie    2423:           "  (SELECT sql sql, type type, tbl_name tbl_name, name name, rowid x"
1.1       espie    2424:           "     FROM sqlite_master UNION ALL"
1.1.1.3   espie    2425:           "   SELECT sql, type, tbl_name, name, rowid FROM sqlite_temp_master) "
1.1       espie    2426:           "WHERE lower(tbl_name) LIKE shellstatic()"
                   2427:           "  AND type!='meta' AND sql NOTNULL "
1.1.1.6   landry   2428:           "ORDER BY rowid",
1.1       espie    2429:           callback, &data, &zErrMsg);
                   2430:         zShellStatic = 0;
                   2431:       }
                   2432:     }else{
                   2433:       rc = sqlite3_exec(p->db,
                   2434:          "SELECT sql FROM "
1.1.1.3   espie    2435:          "  (SELECT sql sql, type type, tbl_name tbl_name, name name, rowid x"
1.1       espie    2436:          "     FROM sqlite_master UNION ALL"
1.1.1.3   espie    2437:          "   SELECT sql, type, tbl_name, name, rowid FROM sqlite_temp_master) "
1.1       espie    2438:          "WHERE type!='meta' AND sql NOTNULL AND name NOT LIKE 'sqlite_%'"
1.1.1.6   landry   2439:          "ORDER BY rowid",
1.1       espie    2440:          callback, &data, &zErrMsg
                   2441:       );
                   2442:     }
                   2443:     if( zErrMsg ){
                   2444:       fprintf(stderr,"Error: %s\n", zErrMsg);
                   2445:       sqlite3_free(zErrMsg);
                   2446:       rc = 1;
                   2447:     }else if( rc != SQLITE_OK ){
                   2448:       fprintf(stderr,"Error: querying schema information\n");
                   2449:       rc = 1;
                   2450:     }else{
                   2451:       rc = 0;
                   2452:     }
                   2453:   }else
                   2454:
1.1.1.7 ! jturner  2455: #ifdef SQLITE_DEBUG
        !          2456:   /* Undocumented commands for internal testing.  Subject to change
        !          2457:   ** without notice. */
        !          2458:   if( c=='s' && n>=10 && strncmp(azArg[0], "selftest-", 9)==0 ){
        !          2459:     if( strncmp(azArg[0]+9, "boolean", n-9)==0 ){
        !          2460:       int i, v;
        !          2461:       for(i=1; i<nArg; i++){
        !          2462:         v = booleanValue(azArg[i]);
        !          2463:         fprintf(p->out, "%s: %d 0x%x\n", azArg[i], v, v);
        !          2464:       }
        !          2465:     }
        !          2466:     if( strncmp(azArg[0]+9, "integer", n-9)==0 ){
        !          2467:       int i; sqlite3_int64 v;
        !          2468:       for(i=1; i<nArg; i++){
        !          2469:         char zBuf[200];
        !          2470:         v = integerValue(azArg[i]);
        !          2471:         sqlite3_snprintf(sizeof(zBuf), zBuf, "%s: %lld 0x%llx\n", azArg[i], v, v);
        !          2472:         fprintf(p->out, "%s", zBuf);
        !          2473:       }
        !          2474:     }
        !          2475:   }else
        !          2476: #endif
        !          2477:
1.1       espie    2478:   if( c=='s' && strncmp(azArg[0], "separator", n)==0 && nArg==2 ){
                   2479:     sqlite3_snprintf(sizeof(p->separator), p->separator,
                   2480:                      "%.*s", (int)sizeof(p->separator)-1, azArg[1]);
                   2481:   }else
                   2482:
                   2483:   if( c=='s' && strncmp(azArg[0], "show", n)==0 && nArg==1 ){
                   2484:     int i;
                   2485:     fprintf(p->out,"%9.9s: %s\n","echo", p->echoOn ? "on" : "off");
                   2486:     fprintf(p->out,"%9.9s: %s\n","explain", p->explainPrev.valid ? "on" :"off");
                   2487:     fprintf(p->out,"%9.9s: %s\n","headers", p->showHeader ? "on" : "off");
                   2488:     fprintf(p->out,"%9.9s: %s\n","mode", modeDescr[p->mode]);
                   2489:     fprintf(p->out,"%9.9s: ", "nullvalue");
                   2490:       output_c_string(p->out, p->nullvalue);
                   2491:       fprintf(p->out, "\n");
                   2492:     fprintf(p->out,"%9.9s: %s\n","output",
                   2493:             strlen30(p->outfile) ? p->outfile : "stdout");
                   2494:     fprintf(p->out,"%9.9s: ", "separator");
                   2495:       output_c_string(p->out, p->separator);
                   2496:       fprintf(p->out, "\n");
                   2497:     fprintf(p->out,"%9.9s: %s\n","stats", p->statsOn ? "on" : "off");
                   2498:     fprintf(p->out,"%9.9s: ","width");
                   2499:     for (i=0;i<(int)ArraySize(p->colWidth) && p->colWidth[i] != 0;i++) {
                   2500:       fprintf(p->out,"%d ",p->colWidth[i]);
                   2501:     }
                   2502:     fprintf(p->out,"\n");
                   2503:   }else
                   2504:
                   2505:   if( c=='s' && strncmp(azArg[0], "stats", n)==0 && nArg>1 && nArg<3 ){
                   2506:     p->statsOn = booleanValue(azArg[1]);
                   2507:   }else
                   2508:
                   2509:   if( c=='t' && n>1 && strncmp(azArg[0], "tables", n)==0 && nArg<3 ){
1.1.1.2   espie    2510:     sqlite3_stmt *pStmt;
1.1       espie    2511:     char **azResult;
1.1.1.2   espie    2512:     int nRow, nAlloc;
                   2513:     char *zSql = 0;
                   2514:     int ii;
1.1       espie    2515:     open_db(p);
1.1.1.2   espie    2516:     rc = sqlite3_prepare_v2(p->db, "PRAGMA database_list", -1, &pStmt, 0);
                   2517:     if( rc ) return rc;
                   2518:     zSql = sqlite3_mprintf(
                   2519:         "SELECT name FROM sqlite_master"
                   2520:         " WHERE type IN ('table','view')"
                   2521:         "   AND name NOT LIKE 'sqlite_%%'"
                   2522:         "   AND name LIKE ?1");
                   2523:     while( sqlite3_step(pStmt)==SQLITE_ROW ){
                   2524:       const char *zDbName = (const char*)sqlite3_column_text(pStmt, 1);
                   2525:       if( zDbName==0 || strcmp(zDbName,"main")==0 ) continue;
                   2526:       if( strcmp(zDbName,"temp")==0 ){
                   2527:         zSql = sqlite3_mprintf(
                   2528:                  "%z UNION ALL "
                   2529:                  "SELECT 'temp.' || name FROM sqlite_temp_master"
                   2530:                  " WHERE type IN ('table','view')"
                   2531:                  "   AND name NOT LIKE 'sqlite_%%'"
                   2532:                  "   AND name LIKE ?1", zSql);
                   2533:       }else{
                   2534:         zSql = sqlite3_mprintf(
                   2535:                  "%z UNION ALL "
                   2536:                  "SELECT '%q.' || name FROM \"%w\".sqlite_master"
                   2537:                  " WHERE type IN ('table','view')"
                   2538:                  "   AND name NOT LIKE 'sqlite_%%'"
                   2539:                  "   AND name LIKE ?1", zSql, zDbName, zDbName);
                   2540:       }
1.1       espie    2541:     }
1.1.1.2   espie    2542:     sqlite3_finalize(pStmt);
                   2543:     zSql = sqlite3_mprintf("%z ORDER BY 1", zSql);
                   2544:     rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0);
                   2545:     sqlite3_free(zSql);
                   2546:     if( rc ) return rc;
                   2547:     nRow = nAlloc = 0;
                   2548:     azResult = 0;
                   2549:     if( nArg>1 ){
                   2550:       sqlite3_bind_text(pStmt, 1, azArg[1], -1, SQLITE_TRANSIENT);
1.1       espie    2551:     }else{
1.1.1.2   espie    2552:       sqlite3_bind_text(pStmt, 1, "%", -1, SQLITE_STATIC);
                   2553:     }
                   2554:     while( sqlite3_step(pStmt)==SQLITE_ROW ){
                   2555:       if( nRow>=nAlloc ){
                   2556:         char **azNew;
                   2557:         int n = nAlloc*2 + 10;
                   2558:         azNew = sqlite3_realloc(azResult, sizeof(azResult[0])*n);
                   2559:         if( azNew==0 ){
                   2560:           fprintf(stderr, "Error: out of memory\n");
                   2561:           break;
                   2562:         }
                   2563:         nAlloc = n;
                   2564:         azResult = azNew;
                   2565:       }
                   2566:       azResult[nRow] = sqlite3_mprintf("%s", sqlite3_column_text(pStmt, 0));
                   2567:       if( azResult[nRow] ) nRow++;
                   2568:     }
                   2569:     sqlite3_finalize(pStmt);
                   2570:     if( nRow>0 ){
1.1       espie    2571:       int len, maxlen = 0;
                   2572:       int i, j;
                   2573:       int nPrintCol, nPrintRow;
1.1.1.2   espie    2574:       for(i=0; i<nRow; i++){
1.1       espie    2575:         len = strlen30(azResult[i]);
                   2576:         if( len>maxlen ) maxlen = len;
                   2577:       }
                   2578:       nPrintCol = 80/(maxlen+2);
                   2579:       if( nPrintCol<1 ) nPrintCol = 1;
                   2580:       nPrintRow = (nRow + nPrintCol - 1)/nPrintCol;
                   2581:       for(i=0; i<nPrintRow; i++){
1.1.1.2   espie    2582:         for(j=i; j<nRow; j+=nPrintRow){
                   2583:           char *zSp = j<nPrintRow ? "" : "  ";
1.1.1.6   landry   2584:           fprintf(p->out, "%s%-*s", zSp, maxlen, azResult[j] ? azResult[j] : "");
1.1       espie    2585:         }
1.1.1.6   landry   2586:         fprintf(p->out, "\n");
1.1       espie    2587:       }
                   2588:     }
1.1.1.2   espie    2589:     for(ii=0; ii<nRow; ii++) sqlite3_free(azResult[ii]);
                   2590:     sqlite3_free(azResult);
1.1       espie    2591:   }else
                   2592:
                   2593:   if( c=='t' && n>=8 && strncmp(azArg[0], "testctrl", n)==0 && nArg>=2 ){
                   2594:     static const struct {
                   2595:        const char *zCtrlName;   /* Name of a test-control option */
                   2596:        int ctrlCode;            /* Integer code for that option */
                   2597:     } aCtrl[] = {
                   2598:       { "prng_save",             SQLITE_TESTCTRL_PRNG_SAVE              },
                   2599:       { "prng_restore",          SQLITE_TESTCTRL_PRNG_RESTORE           },
                   2600:       { "prng_reset",            SQLITE_TESTCTRL_PRNG_RESET             },
                   2601:       { "bitvec_test",           SQLITE_TESTCTRL_BITVEC_TEST            },
                   2602:       { "fault_install",         SQLITE_TESTCTRL_FAULT_INSTALL          },
                   2603:       { "benign_malloc_hooks",   SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS    },
                   2604:       { "pending_byte",          SQLITE_TESTCTRL_PENDING_BYTE           },
                   2605:       { "assert",                SQLITE_TESTCTRL_ASSERT                 },
                   2606:       { "always",                SQLITE_TESTCTRL_ALWAYS                 },
                   2607:       { "reserve",               SQLITE_TESTCTRL_RESERVE                },
                   2608:       { "optimizations",         SQLITE_TESTCTRL_OPTIMIZATIONS          },
                   2609:       { "iskeyword",             SQLITE_TESTCTRL_ISKEYWORD              },
                   2610:       { "scratchmalloc",         SQLITE_TESTCTRL_SCRATCHMALLOC          },
                   2611:     };
                   2612:     int testctrl = -1;
                   2613:     int rc = 0;
                   2614:     int i, n;
                   2615:     open_db(p);
                   2616:
                   2617:     /* convert testctrl text option to value. allow any unique prefix
                   2618:     ** of the option name, or a numerical value. */
                   2619:     n = strlen30(azArg[1]);
                   2620:     for(i=0; i<(int)(sizeof(aCtrl)/sizeof(aCtrl[0])); i++){
                   2621:       if( strncmp(azArg[1], aCtrl[i].zCtrlName, n)==0 ){
                   2622:         if( testctrl<0 ){
                   2623:           testctrl = aCtrl[i].ctrlCode;
                   2624:         }else{
                   2625:           fprintf(stderr, "ambiguous option name: \"%s\"\n", azArg[1]);
                   2626:           testctrl = -1;
                   2627:           break;
                   2628:         }
                   2629:       }
                   2630:     }
1.1.1.7 ! jturner  2631:     if( testctrl<0 ) testctrl = (int)integerValue(azArg[1]);
1.1       espie    2632:     if( (testctrl<SQLITE_TESTCTRL_FIRST) || (testctrl>SQLITE_TESTCTRL_LAST) ){
                   2633:       fprintf(stderr,"Error: invalid testctrl option: %s\n", azArg[1]);
                   2634:     }else{
                   2635:       switch(testctrl){
                   2636:
                   2637:         /* sqlite3_test_control(int, db, int) */
                   2638:         case SQLITE_TESTCTRL_OPTIMIZATIONS:
                   2639:         case SQLITE_TESTCTRL_RESERVE:
                   2640:           if( nArg==3 ){
                   2641:             int opt = (int)strtol(azArg[2], 0, 0);
                   2642:             rc = sqlite3_test_control(testctrl, p->db, opt);
1.1.1.6   landry   2643:             fprintf(p->out, "%d (0x%08x)\n", rc, rc);
1.1       espie    2644:           } else {
                   2645:             fprintf(stderr,"Error: testctrl %s takes a single int option\n",
                   2646:                     azArg[1]);
                   2647:           }
                   2648:           break;
                   2649:
                   2650:         /* sqlite3_test_control(int) */
                   2651:         case SQLITE_TESTCTRL_PRNG_SAVE:
                   2652:         case SQLITE_TESTCTRL_PRNG_RESTORE:
                   2653:         case SQLITE_TESTCTRL_PRNG_RESET:
                   2654:           if( nArg==2 ){
                   2655:             rc = sqlite3_test_control(testctrl);
1.1.1.6   landry   2656:             fprintf(p->out, "%d (0x%08x)\n", rc, rc);
1.1       espie    2657:           } else {
                   2658:             fprintf(stderr,"Error: testctrl %s takes no options\n", azArg[1]);
                   2659:           }
                   2660:           break;
                   2661:
                   2662:         /* sqlite3_test_control(int, uint) */
                   2663:         case SQLITE_TESTCTRL_PENDING_BYTE:
                   2664:           if( nArg==3 ){
1.1.1.7 ! jturner  2665:             unsigned int opt = (unsigned int)integerValue(azArg[2]);
1.1       espie    2666:             rc = sqlite3_test_control(testctrl, opt);
1.1.1.6   landry   2667:             fprintf(p->out, "%d (0x%08x)\n", rc, rc);
1.1       espie    2668:           } else {
                   2669:             fprintf(stderr,"Error: testctrl %s takes a single unsigned"
                   2670:                            " int option\n", azArg[1]);
                   2671:           }
                   2672:           break;
                   2673:
                   2674:         /* sqlite3_test_control(int, int) */
                   2675:         case SQLITE_TESTCTRL_ASSERT:
                   2676:         case SQLITE_TESTCTRL_ALWAYS:
                   2677:           if( nArg==3 ){
1.1.1.7 ! jturner  2678:             int opt = booleanValue(azArg[2]);
1.1       espie    2679:             rc = sqlite3_test_control(testctrl, opt);
1.1.1.6   landry   2680:             fprintf(p->out, "%d (0x%08x)\n", rc, rc);
1.1       espie    2681:           } else {
                   2682:             fprintf(stderr,"Error: testctrl %s takes a single int option\n",
                   2683:                             azArg[1]);
                   2684:           }
                   2685:           break;
                   2686:
                   2687:         /* sqlite3_test_control(int, char *) */
                   2688: #ifdef SQLITE_N_KEYWORD
                   2689:         case SQLITE_TESTCTRL_ISKEYWORD:
                   2690:           if( nArg==3 ){
                   2691:             const char *opt = azArg[2];
                   2692:             rc = sqlite3_test_control(testctrl, opt);
1.1.1.6   landry   2693:             fprintf(p->out, "%d (0x%08x)\n", rc, rc);
1.1       espie    2694:           } else {
                   2695:             fprintf(stderr,"Error: testctrl %s takes a single char * option\n",
                   2696:                             azArg[1]);
                   2697:           }
                   2698:           break;
                   2699: #endif
                   2700:
                   2701:         case SQLITE_TESTCTRL_BITVEC_TEST:
                   2702:         case SQLITE_TESTCTRL_FAULT_INSTALL:
                   2703:         case SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS:
                   2704:         case SQLITE_TESTCTRL_SCRATCHMALLOC:
                   2705:         default:
                   2706:           fprintf(stderr,"Error: CLI support for testctrl %s not implemented\n",
                   2707:                   azArg[1]);
                   2708:           break;
                   2709:       }
                   2710:     }
                   2711:   }else
                   2712:
                   2713:   if( c=='t' && n>4 && strncmp(azArg[0], "timeout", n)==0 && nArg==2 ){
                   2714:     open_db(p);
1.1.1.7 ! jturner  2715:     sqlite3_busy_timeout(p->db, (int)integerValue(azArg[1]));
1.1       espie    2716:   }else
                   2717:
                   2718:   if( HAS_TIMER && c=='t' && n>=5 && strncmp(azArg[0], "timer", n)==0
                   2719:    && nArg==2
                   2720:   ){
                   2721:     enableTimer = booleanValue(azArg[1]);
                   2722:   }else
                   2723:
1.1.1.2   espie    2724:   if( c=='t' && strncmp(azArg[0], "trace", n)==0 && nArg>1 ){
                   2725:     open_db(p);
                   2726:     output_file_close(p->traceOut);
                   2727:     p->traceOut = output_file_open(azArg[1]);
1.1.1.4   espie    2728: #if !defined(SQLITE_OMIT_TRACE) && !defined(SQLITE_OMIT_FLOATING_POINT)
1.1.1.2   espie    2729:     if( p->traceOut==0 ){
                   2730:       sqlite3_trace(p->db, 0, 0);
                   2731:     }else{
                   2732:       sqlite3_trace(p->db, sql_trace_callback, p->traceOut);
                   2733:     }
                   2734: #endif
                   2735:   }else
                   2736:
1.1       espie    2737:   if( c=='v' && strncmp(azArg[0], "version", n)==0 ){
1.1.1.6   landry   2738:     fprintf(p->out, "SQLite %s %s\n" /*extra-version-info*/,
1.1       espie    2739:         sqlite3_libversion(), sqlite3_sourceid());
                   2740:   }else
                   2741:
                   2742:   if( c=='v' && strncmp(azArg[0], "vfsname", n)==0 ){
                   2743:     const char *zDbName = nArg==2 ? azArg[1] : "main";
                   2744:     char *zVfsName = 0;
                   2745:     if( p->db ){
                   2746:       sqlite3_file_control(p->db, zDbName, SQLITE_FCNTL_VFSNAME, &zVfsName);
                   2747:       if( zVfsName ){
1.1.1.6   landry   2748:         fprintf(p->out, "%s\n", zVfsName);
1.1       espie    2749:         sqlite3_free(zVfsName);
                   2750:       }
                   2751:     }
                   2752:   }else
                   2753:
1.1.1.5   espie    2754: #if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_WHERETRACE)
                   2755:   if( c=='w' && strncmp(azArg[0], "wheretrace", n)==0 ){
                   2756:     extern int sqlite3WhereTrace;
1.1.1.6   landry   2757:     sqlite3WhereTrace = booleanValue(azArg[1]);
1.1.1.5   espie    2758:   }else
                   2759: #endif
                   2760:
1.1       espie    2761:   if( c=='w' && strncmp(azArg[0], "width", n)==0 && nArg>1 ){
                   2762:     int j;
                   2763:     assert( nArg<=ArraySize(azArg) );
                   2764:     for(j=1; j<nArg && j<ArraySize(p->colWidth); j++){
1.1.1.7 ! jturner  2765:       p->colWidth[j-1] = (int)integerValue(azArg[j]);
1.1       espie    2766:     }
                   2767:   }else
                   2768:
                   2769:   {
                   2770:     fprintf(stderr, "Error: unknown command or invalid arguments: "
                   2771:       " \"%s\". Enter \".help\" for help\n", azArg[0]);
                   2772:     rc = 1;
                   2773:   }
                   2774:
                   2775:   return rc;
                   2776: }
                   2777:
                   2778: /*
                   2779: ** Return TRUE if a semicolon occurs anywhere in the first N characters
                   2780: ** of string z[].
                   2781: */
1.1.1.7 ! jturner  2782: static int line_contains_semicolon(const char *z, int N){
1.1       espie    2783:   int i;
                   2784:   for(i=0; i<N; i++){  if( z[i]==';' ) return 1; }
                   2785:   return 0;
                   2786: }
                   2787:
                   2788: /*
                   2789: ** Test to see if a line consists entirely of whitespace.
                   2790: */
                   2791: static int _all_whitespace(const char *z){
                   2792:   for(; *z; z++){
                   2793:     if( IsSpace(z[0]) ) continue;
                   2794:     if( *z=='/' && z[1]=='*' ){
                   2795:       z += 2;
                   2796:       while( *z && (*z!='*' || z[1]!='/') ){ z++; }
                   2797:       if( *z==0 ) return 0;
                   2798:       z++;
                   2799:       continue;
                   2800:     }
                   2801:     if( *z=='-' && z[1]=='-' ){
                   2802:       z += 2;
                   2803:       while( *z && *z!='\n' ){ z++; }
                   2804:       if( *z==0 ) return 1;
                   2805:       continue;
                   2806:     }
                   2807:     return 0;
                   2808:   }
                   2809:   return 1;
                   2810: }
                   2811:
                   2812: /*
                   2813: ** Return TRUE if the line typed in is an SQL command terminator other
                   2814: ** than a semi-colon.  The SQL Server style "go" command is understood
                   2815: ** as is the Oracle "/".
                   2816: */
1.1.1.7 ! jturner  2817: static int line_is_command_terminator(const char *zLine){
1.1       espie    2818:   while( IsSpace(zLine[0]) ){ zLine++; };
                   2819:   if( zLine[0]=='/' && _all_whitespace(&zLine[1]) ){
                   2820:     return 1;  /* Oracle */
                   2821:   }
                   2822:   if( ToLower(zLine[0])=='g' && ToLower(zLine[1])=='o'
                   2823:          && _all_whitespace(&zLine[2]) ){
                   2824:     return 1;  /* SQL Server */
                   2825:   }
                   2826:   return 0;
                   2827: }
                   2828:
                   2829: /*
                   2830: ** Return true if zSql is a complete SQL statement.  Return false if it
                   2831: ** ends in the middle of a string literal or C-style comment.
                   2832: */
1.1.1.7 ! jturner  2833: static int line_is_complete(char *zSql, int nSql){
1.1       espie    2834:   int rc;
                   2835:   if( zSql==0 ) return 1;
                   2836:   zSql[nSql] = ';';
                   2837:   zSql[nSql+1] = 0;
                   2838:   rc = sqlite3_complete(zSql);
                   2839:   zSql[nSql] = 0;
                   2840:   return rc;
                   2841: }
                   2842:
                   2843: /*
                   2844: ** Read input from *in and process it.  If *in==0 then input
                   2845: ** is interactive - the user is typing it it.  Otherwise, input
                   2846: ** is coming from a file or device.  A prompt is issued and history
                   2847: ** is saved only if input is interactive.  An interrupt signal will
                   2848: ** cause this routine to exit immediately, unless input is interactive.
                   2849: **
                   2850: ** Return the number of errors.
                   2851: */
                   2852: static int process_input(struct callback_data *p, FILE *in){
1.1.1.7 ! jturner  2853:   char *zLine = 0;          /* A single input line */
        !          2854:   char *zSql = 0;           /* Accumulated SQL text */
        !          2855:   int nLine;                /* Length of current line */
        !          2856:   int nSql = 0;             /* Bytes of zSql[] used */
        !          2857:   int nAlloc = 0;           /* Allocated zSql[] space */
        !          2858:   int nSqlPrior = 0;        /* Bytes of zSql[] used by prior line */
        !          2859:   char *zErrMsg;            /* Error message returned */
        !          2860:   int rc;                   /* Error code */
        !          2861:   int errCnt = 0;           /* Number of errors seen */
        !          2862:   int lineno = 0;           /* Current line number */
        !          2863:   int startline = 0;        /* Line number for start of current input */
1.1       espie    2864:
                   2865:   while( errCnt==0 || !bail_on_error || (in==0 && stdin_is_interactive) ){
                   2866:     fflush(p->out);
1.1.1.7 ! jturner  2867:     zLine = one_input_line(in, zLine, nSql>0);
1.1       espie    2868:     if( zLine==0 ){
1.1.1.2   espie    2869:       /* End of input */
                   2870:       if( stdin_is_interactive ) printf("\n");
                   2871:       break;
1.1       espie    2872:     }
                   2873:     if( seenInterrupt ){
                   2874:       if( in!=0 ) break;
                   2875:       seenInterrupt = 0;
                   2876:     }
                   2877:     lineno++;
1.1.1.7 ! jturner  2878:     if( nSql==0 && _all_whitespace(zLine) ) continue;
1.1       espie    2879:     if( zLine && zLine[0]=='.' && nSql==0 ){
                   2880:       if( p->echoOn ) printf("%s\n", zLine);
                   2881:       rc = do_meta_command(zLine, p);
                   2882:       if( rc==2 ){ /* exit requested */
                   2883:         break;
                   2884:       }else if( rc ){
                   2885:         errCnt++;
                   2886:       }
                   2887:       continue;
                   2888:     }
1.1.1.7 ! jturner  2889:     if( line_is_command_terminator(zLine) && line_is_complete(zSql, nSql) ){
1.1       espie    2890:       memcpy(zLine,";",2);
                   2891:     }
1.1.1.7 ! jturner  2892:     nLine = strlen30(zLine);
        !          2893:     if( nSql+nLine+2>=nAlloc ){
        !          2894:       nAlloc = nSql+nLine+100;
        !          2895:       zSql = realloc(zSql, nAlloc);
        !          2896:       if( zSql==0 ){
        !          2897:         fprintf(stderr, "Error: out of memory\n");
        !          2898:         exit(1);
        !          2899:       }
        !          2900:     }
1.1       espie    2901:     nSqlPrior = nSql;
1.1.1.7 ! jturner  2902:     if( nSql==0 ){
1.1       espie    2903:       int i;
                   2904:       for(i=0; zLine[i] && IsSpace(zLine[i]); i++){}
1.1.1.7 ! jturner  2905:       assert( nAlloc>0 && zSql!=0 );
        !          2906:       memcpy(zSql, zLine+i, nLine+1-i);
        !          2907:       startline = lineno;
        !          2908:       nSql = nLine-i;
1.1       espie    2909:     }else{
                   2910:       zSql[nSql++] = '\n';
1.1.1.7 ! jturner  2911:       memcpy(zSql+nSql, zLine, nLine+1);
        !          2912:       nSql += nLine;
1.1       espie    2913:     }
1.1.1.7 ! jturner  2914:     if( nSql && line_contains_semicolon(&zSql[nSqlPrior], nSql-nSqlPrior)
1.1       espie    2915:                 && sqlite3_complete(zSql) ){
                   2916:       p->cnt = 0;
                   2917:       open_db(p);
                   2918:       BEGIN_TIMER;
                   2919:       rc = shell_exec(p->db, zSql, shell_callback, p, &zErrMsg);
                   2920:       END_TIMER;
                   2921:       if( rc || zErrMsg ){
                   2922:         char zPrefix[100];
                   2923:         if( in!=0 || !stdin_is_interactive ){
                   2924:           sqlite3_snprintf(sizeof(zPrefix), zPrefix,
                   2925:                            "Error: near line %d:", startline);
                   2926:         }else{
                   2927:           sqlite3_snprintf(sizeof(zPrefix), zPrefix, "Error:");
                   2928:         }
                   2929:         if( zErrMsg!=0 ){
                   2930:           fprintf(stderr, "%s %s\n", zPrefix, zErrMsg);
                   2931:           sqlite3_free(zErrMsg);
                   2932:           zErrMsg = 0;
                   2933:         }else{
                   2934:           fprintf(stderr, "%s %s\n", zPrefix, sqlite3_errmsg(p->db));
                   2935:         }
                   2936:         errCnt++;
                   2937:       }
                   2938:       nSql = 0;
1.1.1.7 ! jturner  2939:     }else if( nSql && _all_whitespace(zSql) ){
1.1.1.6   landry   2940:       nSql = 0;
1.1       espie    2941:     }
                   2942:   }
1.1.1.7 ! jturner  2943:   if( nSql ){
1.1       espie    2944:     if( !_all_whitespace(zSql) ){
                   2945:       fprintf(stderr, "Error: incomplete SQL: %s\n", zSql);
                   2946:     }
                   2947:     free(zSql);
                   2948:   }
                   2949:   free(zLine);
1.1.1.5   espie    2950:   return errCnt>0;
1.1       espie    2951: }
                   2952:
                   2953: /*
                   2954: ** Return a pathname which is the user's home directory.  A
1.1.1.2   espie    2955: ** 0 return indicates an error of some kind.
1.1       espie    2956: */
                   2957: static char *find_home_dir(void){
1.1.1.2   espie    2958:   static char *home_dir = NULL;
                   2959:   if( home_dir ) return home_dir;
1.1       espie    2960:
1.1.1.4   espie    2961: #if !defined(_WIN32) && !defined(WIN32) && !defined(_WIN32_WCE) && !defined(__RTP__) && !defined(_WRS_KERNEL)
                   2962:   {
                   2963:     struct passwd *pwent;
                   2964:     uid_t uid = getuid();
                   2965:     if( (pwent=getpwuid(uid)) != NULL) {
                   2966:       home_dir = pwent->pw_dir;
                   2967:     }
1.1       espie    2968:   }
                   2969: #endif
                   2970:
                   2971: #if defined(_WIN32_WCE)
                   2972:   /* Windows CE (arm-wince-mingw32ce-gcc) does not provide getenv()
                   2973:    */
1.1.1.2   espie    2974:   home_dir = "/";
1.1       espie    2975: #else
                   2976:
1.1.1.4   espie    2977: #if defined(_WIN32) || defined(WIN32)
1.1       espie    2978:   if (!home_dir) {
                   2979:     home_dir = getenv("USERPROFILE");
                   2980:   }
                   2981: #endif
                   2982:
                   2983:   if (!home_dir) {
                   2984:     home_dir = getenv("HOME");
                   2985:   }
                   2986:
1.1.1.4   espie    2987: #if defined(_WIN32) || defined(WIN32)
1.1       espie    2988:   if (!home_dir) {
                   2989:     char *zDrive, *zPath;
                   2990:     int n;
                   2991:     zDrive = getenv("HOMEDRIVE");
                   2992:     zPath = getenv("HOMEPATH");
                   2993:     if( zDrive && zPath ){
                   2994:       n = strlen30(zDrive) + strlen30(zPath) + 1;
                   2995:       home_dir = malloc( n );
                   2996:       if( home_dir==0 ) return 0;
                   2997:       sqlite3_snprintf(n, home_dir, "%s%s", zDrive, zPath);
                   2998:       return home_dir;
                   2999:     }
                   3000:     home_dir = "c:\\";
                   3001:   }
                   3002: #endif
                   3003:
                   3004: #endif /* !_WIN32_WCE */
                   3005:
                   3006:   if( home_dir ){
                   3007:     int n = strlen30(home_dir) + 1;
                   3008:     char *z = malloc( n );
                   3009:     if( z ) memcpy(z, home_dir, n);
                   3010:     home_dir = z;
                   3011:   }
                   3012:
                   3013:   return home_dir;
                   3014: }
                   3015:
                   3016: /*
                   3017: ** Read input from the file given by sqliterc_override.  Or if that
                   3018: ** parameter is NULL, take input from ~/.sqliterc
                   3019: **
                   3020: ** Returns the number of errors.
                   3021: */
                   3022: static int process_sqliterc(
                   3023:   struct callback_data *p,        /* Configuration data */
                   3024:   const char *sqliterc_override   /* Name of config file. NULL to use default */
                   3025: ){
                   3026:   char *home_dir = NULL;
                   3027:   const char *sqliterc = sqliterc_override;
                   3028:   char *zBuf = 0;
                   3029:   FILE *in = NULL;
                   3030:   int rc = 0;
                   3031:
                   3032:   if (sqliterc == NULL) {
                   3033:     home_dir = find_home_dir();
                   3034:     if( home_dir==0 ){
                   3035: #if !defined(__RTP__) && !defined(_WRS_KERNEL)
                   3036:       fprintf(stderr,"%s: Error: cannot locate your home directory\n", Argv0);
                   3037: #endif
                   3038:       return 1;
                   3039:     }
1.1.1.4   espie    3040:     sqlite3_initialize();
1.1.1.2   espie    3041:     zBuf = sqlite3_mprintf("%s/.sqliterc",home_dir);
                   3042:     sqliterc = zBuf;
1.1       espie    3043:   }
                   3044:   in = fopen(sqliterc,"rb");
                   3045:   if( in ){
                   3046:     if( stdin_is_interactive ){
                   3047:       fprintf(stderr,"-- Loading resources from %s\n",sqliterc);
                   3048:     }
                   3049:     rc = process_input(p,in);
                   3050:     fclose(in);
                   3051:   }
1.1.1.2   espie    3052:   sqlite3_free(zBuf);
1.1       espie    3053:   return rc;
                   3054: }
                   3055:
                   3056: /*
                   3057: ** Show available command line options
                   3058: */
                   3059: static const char zOptions[] =
                   3060:   "   -bail                stop after hitting an error\n"
                   3061:   "   -batch               force batch I/O\n"
                   3062:   "   -column              set output mode to 'column'\n"
1.1.1.5   espie    3063:   "   -cmd COMMAND         run \"COMMAND\" before reading stdin\n"
1.1       espie    3064:   "   -csv                 set output mode to 'csv'\n"
                   3065:   "   -echo                print commands before execution\n"
1.1.1.5   espie    3066:   "   -init FILENAME       read/process named file\n"
1.1       espie    3067:   "   -[no]header          turn headers on or off\n"
1.1.1.5   espie    3068: #if defined(SQLITE_ENABLE_MEMSYS3) || defined(SQLITE_ENABLE_MEMSYS5)
                   3069:   "   -heap SIZE           Size of heap for memsys3 or memsys5\n"
                   3070: #endif
1.1       espie    3071:   "   -help                show this message\n"
                   3072:   "   -html                set output mode to HTML\n"
                   3073:   "   -interactive         force interactive I/O\n"
                   3074:   "   -line                set output mode to 'line'\n"
                   3075:   "   -list                set output mode to 'list'\n"
1.1.1.6   landry   3076:   "   -mmap N              default mmap size set to N\n"
1.1       espie    3077: #ifdef SQLITE_ENABLE_MULTIPLEX
                   3078:   "   -multiplex           enable the multiplexor VFS\n"
                   3079: #endif
1.1.1.5   espie    3080:   "   -nullvalue TEXT      set text string for NULL values. Default ''\n"
                   3081:   "   -separator SEP       set output field separator. Default: '|'\n"
1.1       espie    3082:   "   -stats               print memory stats before each finalize\n"
                   3083:   "   -version             show SQLite version\n"
                   3084:   "   -vfs NAME            use NAME as the default VFS\n"
                   3085: #ifdef SQLITE_ENABLE_VFSTRACE
                   3086:   "   -vfstrace            enable tracing of all VFS calls\n"
                   3087: #endif
                   3088: ;
                   3089: static void usage(int showDetail){
                   3090:   fprintf(stderr,
                   3091:       "Usage: %s [OPTIONS] FILENAME [SQL]\n"
                   3092:       "FILENAME is the name of an SQLite database. A new database is created\n"
                   3093:       "if the file does not previously exist.\n", Argv0);
                   3094:   if( showDetail ){
                   3095:     fprintf(stderr, "OPTIONS include:\n%s", zOptions);
                   3096:   }else{
                   3097:     fprintf(stderr, "Use the -help option for additional information\n");
                   3098:   }
                   3099:   exit(1);
                   3100: }
                   3101:
                   3102: /*
                   3103: ** Initialize the state information in data
                   3104: */
                   3105: static void main_init(struct callback_data *data) {
                   3106:   memset(data, 0, sizeof(*data));
                   3107:   data->mode = MODE_List;
                   3108:   memcpy(data->separator,"|", 2);
                   3109:   data->showHeader = 0;
                   3110:   sqlite3_config(SQLITE_CONFIG_URI, 1);
                   3111:   sqlite3_config(SQLITE_CONFIG_LOG, shellLog, data);
                   3112:   sqlite3_snprintf(sizeof(mainPrompt), mainPrompt,"sqlite> ");
                   3113:   sqlite3_snprintf(sizeof(continuePrompt), continuePrompt,"   ...> ");
                   3114:   sqlite3_config(SQLITE_CONFIG_SINGLETHREAD);
                   3115: }
                   3116:
1.1.1.5   espie    3117: /*
                   3118: ** Get the argument to an --option.  Throw an error and die if no argument
                   3119: ** is available.
                   3120: */
                   3121: static char *cmdline_option_value(int argc, char **argv, int i){
                   3122:   if( i==argc ){
                   3123:     fprintf(stderr, "%s: Error: missing argument to %s\n",
                   3124:             argv[0], argv[argc-1]);
                   3125:     exit(1);
                   3126:   }
                   3127:   return argv[i];
                   3128: }
                   3129:
1.1       espie    3130: int main(int argc, char **argv){
                   3131:   char *zErrMsg = 0;
                   3132:   struct callback_data data;
                   3133:   const char *zInitFile = 0;
                   3134:   char *zFirstCmd = 0;
                   3135:   int i;
                   3136:   int rc = 0;
                   3137:
                   3138:   if( strcmp(sqlite3_sourceid(),SQLITE_SOURCE_ID)!=0 ){
                   3139:     fprintf(stderr, "SQLite header and source version mismatch\n%s\n%s\n",
                   3140:             sqlite3_sourceid(), SQLITE_SOURCE_ID);
                   3141:     exit(1);
                   3142:   }
                   3143:   Argv0 = argv[0];
                   3144:   main_init(&data);
                   3145:   stdin_is_interactive = isatty(0);
                   3146:
                   3147:   /* Make sure we have a valid signal handler early, before anything
                   3148:   ** else is done.
                   3149:   */
                   3150: #ifdef SIGINT
                   3151:   signal(SIGINT, interrupt_handler);
                   3152: #endif
                   3153:
                   3154:   /* Do an initial pass through the command-line argument to locate
                   3155:   ** the name of the database file, the name of the initialization file,
                   3156:   ** the size of the alternative malloc heap,
                   3157:   ** and the first command to execute.
                   3158:   */
1.1.1.5   espie    3159:   for(i=1; i<argc; i++){
1.1       espie    3160:     char *z;
                   3161:     z = argv[i];
1.1.1.5   espie    3162:     if( z[0]!='-' ){
                   3163:       if( data.zDbFilename==0 ){
                   3164:         data.zDbFilename = z;
                   3165:         continue;
                   3166:       }
                   3167:       if( zFirstCmd==0 ){
                   3168:         zFirstCmd = z;
                   3169:         continue;
                   3170:       }
                   3171:       fprintf(stderr,"%s: Error: too many options: \"%s\"\n", Argv0, argv[i]);
                   3172:       fprintf(stderr,"Use -help for a list of options.\n");
                   3173:       return 1;
                   3174:     }
1.1       espie    3175:     if( z[1]=='-' ) z++;
                   3176:     if( strcmp(z,"-separator")==0
                   3177:      || strcmp(z,"-nullvalue")==0
                   3178:      || strcmp(z,"-cmd")==0
                   3179:     ){
1.1.1.5   espie    3180:       (void)cmdline_option_value(argc, argv, ++i);
1.1       espie    3181:     }else if( strcmp(z,"-init")==0 ){
1.1.1.5   espie    3182:       zInitFile = cmdline_option_value(argc, argv, ++i);
1.1       espie    3183:     }else if( strcmp(z,"-batch")==0 ){
1.1.1.5   espie    3184:       /* Need to check for batch mode here to so we can avoid printing
                   3185:       ** informational messages (like from process_sqliterc) before
                   3186:       ** we do the actual processing of arguments later in a second pass.
                   3187:       */
1.1       espie    3188:       stdin_is_interactive = 0;
                   3189:     }else if( strcmp(z,"-heap")==0 ){
                   3190: #if defined(SQLITE_ENABLE_MEMSYS3) || defined(SQLITE_ENABLE_MEMSYS5)
                   3191:       const char *zSize;
                   3192:       sqlite3_int64 szHeap;
                   3193:
1.1.1.5   espie    3194:       zSize = cmdline_option_value(argc, argv, ++i);
1.1.1.6   landry   3195:       szHeap = integerValue(zSize);
1.1       espie    3196:       if( szHeap>0x7fff0000 ) szHeap = 0x7fff0000;
                   3197:       sqlite3_config(SQLITE_CONFIG_HEAP, malloc((int)szHeap), (int)szHeap, 64);
                   3198: #endif
                   3199: #ifdef SQLITE_ENABLE_VFSTRACE
                   3200:     }else if( strcmp(z,"-vfstrace")==0 ){
                   3201:       extern int vfstrace_register(
                   3202:          const char *zTraceName,
                   3203:          const char *zOldVfsName,
                   3204:          int (*xOut)(const char*,void*),
                   3205:          void *pOutArg,
                   3206:          int makeDefault
                   3207:       );
                   3208:       vfstrace_register("trace",0,(int(*)(const char*,void*))fputs,stderr,1);
                   3209: #endif
                   3210: #ifdef SQLITE_ENABLE_MULTIPLEX
                   3211:     }else if( strcmp(z,"-multiplex")==0 ){
                   3212:       extern int sqlite3_multiple_initialize(const char*,int);
                   3213:       sqlite3_multiplex_initialize(0, 1);
                   3214: #endif
1.1.1.6   landry   3215:     }else if( strcmp(z,"-mmap")==0 ){
                   3216:       sqlite3_int64 sz = integerValue(cmdline_option_value(argc,argv,++i));
                   3217:       sqlite3_config(SQLITE_CONFIG_MMAP_SIZE, sz, sz);
1.1       espie    3218:     }else if( strcmp(z,"-vfs")==0 ){
1.1.1.5   espie    3219:       sqlite3_vfs *pVfs = sqlite3_vfs_find(cmdline_option_value(argc,argv,++i));
1.1       espie    3220:       if( pVfs ){
                   3221:         sqlite3_vfs_register(pVfs, 1);
                   3222:       }else{
                   3223:         fprintf(stderr, "no such VFS: \"%s\"\n", argv[i]);
                   3224:         exit(1);
                   3225:       }
                   3226:     }
                   3227:   }
1.1.1.5   espie    3228:   if( data.zDbFilename==0 ){
1.1       espie    3229: #ifndef SQLITE_OMIT_MEMORYDB
                   3230:     data.zDbFilename = ":memory:";
                   3231: #else
                   3232:     fprintf(stderr,"%s: Error: no database filename specified\n", Argv0);
                   3233:     return 1;
                   3234: #endif
1.1.1.5   espie    3235:   }
                   3236:   data.out = stdout;
1.1       espie    3237:
                   3238:   /* Go ahead and open the database file if it already exists.  If the
                   3239:   ** file does not exist, delay opening it.  This prevents empty database
                   3240:   ** files from being created if a user mistypes the database name argument
                   3241:   ** to the sqlite command-line tool.
                   3242:   */
                   3243:   if( access(data.zDbFilename, 0)==0 ){
                   3244:     open_db(&data);
                   3245:   }
                   3246:
                   3247:   /* Process the initialization file if there is one.  If no -init option
                   3248:   ** is given on the command line, look for a file named ~/.sqliterc and
                   3249:   ** try to process it.
                   3250:   */
                   3251:   rc = process_sqliterc(&data,zInitFile);
                   3252:   if( rc>0 ){
                   3253:     return rc;
                   3254:   }
                   3255:
                   3256:   /* Make a second pass through the command-line argument and set
                   3257:   ** options.  This second pass is delayed until after the initialization
                   3258:   ** file is processed so that the command-line arguments will override
                   3259:   ** settings in the initialization file.
                   3260:   */
1.1.1.5   espie    3261:   for(i=1; i<argc; i++){
1.1       espie    3262:     char *z = argv[i];
1.1.1.5   espie    3263:     if( z[0]!='-' ) continue;
1.1       espie    3264:     if( z[1]=='-' ){ z++; }
                   3265:     if( strcmp(z,"-init")==0 ){
                   3266:       i++;
                   3267:     }else if( strcmp(z,"-html")==0 ){
                   3268:       data.mode = MODE_Html;
                   3269:     }else if( strcmp(z,"-list")==0 ){
                   3270:       data.mode = MODE_List;
                   3271:     }else if( strcmp(z,"-line")==0 ){
                   3272:       data.mode = MODE_Line;
                   3273:     }else if( strcmp(z,"-column")==0 ){
                   3274:       data.mode = MODE_Column;
                   3275:     }else if( strcmp(z,"-csv")==0 ){
                   3276:       data.mode = MODE_Csv;
                   3277:       memcpy(data.separator,",",2);
                   3278:     }else if( strcmp(z,"-separator")==0 ){
                   3279:       sqlite3_snprintf(sizeof(data.separator), data.separator,
1.1.1.5   espie    3280:                        "%s",cmdline_option_value(argc,argv,++i));
1.1       espie    3281:     }else if( strcmp(z,"-nullvalue")==0 ){
                   3282:       sqlite3_snprintf(sizeof(data.nullvalue), data.nullvalue,
1.1.1.5   espie    3283:                        "%s",cmdline_option_value(argc,argv,++i));
1.1       espie    3284:     }else if( strcmp(z,"-header")==0 ){
                   3285:       data.showHeader = 1;
                   3286:     }else if( strcmp(z,"-noheader")==0 ){
                   3287:       data.showHeader = 0;
                   3288:     }else if( strcmp(z,"-echo")==0 ){
                   3289:       data.echoOn = 1;
                   3290:     }else if( strcmp(z,"-stats")==0 ){
                   3291:       data.statsOn = 1;
                   3292:     }else if( strcmp(z,"-bail")==0 ){
                   3293:       bail_on_error = 1;
                   3294:     }else if( strcmp(z,"-version")==0 ){
                   3295:       printf("%s %s\n", sqlite3_libversion(), sqlite3_sourceid());
                   3296:       return 0;
                   3297:     }else if( strcmp(z,"-interactive")==0 ){
                   3298:       stdin_is_interactive = 1;
                   3299:     }else if( strcmp(z,"-batch")==0 ){
                   3300:       stdin_is_interactive = 0;
                   3301:     }else if( strcmp(z,"-heap")==0 ){
                   3302:       i++;
1.1.1.6   landry   3303:     }else if( strcmp(z,"-mmap")==0 ){
                   3304:       i++;
1.1       espie    3305:     }else if( strcmp(z,"-vfs")==0 ){
                   3306:       i++;
                   3307: #ifdef SQLITE_ENABLE_VFSTRACE
                   3308:     }else if( strcmp(z,"-vfstrace")==0 ){
                   3309:       i++;
                   3310: #endif
                   3311: #ifdef SQLITE_ENABLE_MULTIPLEX
                   3312:     }else if( strcmp(z,"-multiplex")==0 ){
                   3313:       i++;
                   3314: #endif
                   3315:     }else if( strcmp(z,"-help")==0 ){
                   3316:       usage(1);
                   3317:     }else if( strcmp(z,"-cmd")==0 ){
                   3318:       if( i==argc-1 ) break;
1.1.1.5   espie    3319:       z = cmdline_option_value(argc,argv,++i);
1.1       espie    3320:       if( z[0]=='.' ){
                   3321:         rc = do_meta_command(z, &data);
1.1.1.6   landry   3322:         if( rc && bail_on_error ) return rc==2 ? 0 : rc;
1.1       espie    3323:       }else{
                   3324:         open_db(&data);
                   3325:         rc = shell_exec(data.db, z, shell_callback, &data, &zErrMsg);
                   3326:         if( zErrMsg!=0 ){
                   3327:           fprintf(stderr,"Error: %s\n", zErrMsg);
                   3328:           if( bail_on_error ) return rc!=0 ? rc : 1;
                   3329:         }else if( rc!=0 ){
                   3330:           fprintf(stderr,"Error: unable to process SQL \"%s\"\n", z);
                   3331:           if( bail_on_error ) return rc;
                   3332:         }
                   3333:       }
                   3334:     }else{
                   3335:       fprintf(stderr,"%s: Error: unknown option: %s\n", Argv0, z);
                   3336:       fprintf(stderr,"Use -help for a list of options.\n");
                   3337:       return 1;
                   3338:     }
                   3339:   }
                   3340:
                   3341:   if( zFirstCmd ){
                   3342:     /* Run just the command that follows the database name
                   3343:     */
                   3344:     if( zFirstCmd[0]=='.' ){
                   3345:       rc = do_meta_command(zFirstCmd, &data);
1.1.1.6   landry   3346:       if( rc==2 ) rc = 0;
1.1       espie    3347:     }else{
                   3348:       open_db(&data);
                   3349:       rc = shell_exec(data.db, zFirstCmd, shell_callback, &data, &zErrMsg);
                   3350:       if( zErrMsg!=0 ){
                   3351:         fprintf(stderr,"Error: %s\n", zErrMsg);
                   3352:         return rc!=0 ? rc : 1;
                   3353:       }else if( rc!=0 ){
                   3354:         fprintf(stderr,"Error: unable to process SQL \"%s\"\n", zFirstCmd);
                   3355:         return rc;
                   3356:       }
                   3357:     }
                   3358:   }else{
                   3359:     /* Run commands received from standard input
                   3360:     */
                   3361:     if( stdin_is_interactive ){
                   3362:       char *zHome;
                   3363:       char *zHistory = 0;
                   3364:       int nHistory;
                   3365:       printf(
                   3366:         "SQLite version %s %.19s\n" /*extra-version-info*/
                   3367:         "Enter \".help\" for instructions\n"
                   3368:         "Enter SQL statements terminated with a \";\"\n",
                   3369:         sqlite3_libversion(), sqlite3_sourceid()
                   3370:       );
                   3371:       zHome = find_home_dir();
                   3372:       if( zHome ){
                   3373:         nHistory = strlen30(zHome) + 20;
                   3374:         if( (zHistory = malloc(nHistory))!=0 ){
                   3375:           sqlite3_snprintf(nHistory, zHistory,"%s/.sqlite_history", zHome);
                   3376:         }
                   3377:       }
                   3378: #if defined(HAVE_READLINE) && HAVE_READLINE==1
                   3379:       if( zHistory ) read_history(zHistory);
                   3380: #endif
                   3381:       rc = process_input(&data, 0);
                   3382:       if( zHistory ){
                   3383:         stifle_history(100);
                   3384:         write_history(zHistory);
                   3385:         free(zHistory);
                   3386:       }
                   3387:     }else{
                   3388:       rc = process_input(&data, stdin);
                   3389:     }
                   3390:   }
                   3391:   set_table_name(&data, 0);
                   3392:   if( data.db ){
                   3393:     sqlite3_close(data.db);
                   3394:   }
                   3395:   return rc;
                   3396: }