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Annotation of src/usr.bin/patch/common.h, Revision 1.13

1.13    ! deraadt     1: /*     $OpenBSD: common.h,v 1.12 2003/04/08 01:54:56 deraadt Exp $ */
1.1       deraadt     2:
                      3: #define DEBUGGING
                      4:
                      5: #include "config.h"
                      6:
                      7: /* shut lint up about the following when return value ignored */
                      8:
                      9: #include <stdio.h>
                     10: #include <string.h>
                     11: #include <assert.h>
                     12: #include <sys/types.h>
1.3       deraadt    13: #include <sys/file.h>
1.1       deraadt    14: #include <sys/stat.h>
1.9       millert    15: #include <sys/param.h>
1.1       deraadt    16: #include <ctype.h>
1.9       millert    17: #include <paths.h>
1.1       deraadt    18: #include <signal.h>
1.7       dgregor    19: #include <stdlib.h>
1.9       millert    20: #include <unistd.h>
1.13    ! deraadt    21: #include <stdarg.h>
1.10      millert    22: #include <libgen.h>
1.13    ! deraadt    23: #include <errno.h>
1.1       deraadt    24:
                     25: /* constants */
                     26:
                     27: /* AIX predefines these.  */
                     28: #ifdef TRUE
                     29: #undef TRUE
                     30: #endif
                     31: #ifdef FALSE
                     32: #undef FALSE
                     33: #endif
                     34: #define TRUE (1)
                     35: #define FALSE (0)
                     36:
                     37: #define MAXHUNKSIZE 100000             /* is this enough lines? */
                     38: #define INITHUNKMAX 125                        /* initial dynamic allocation size */
1.8       niklas     39: #define MAXLINELEN 8192
1.1       deraadt    40: #define BUFFERSIZE 1024
                     41:
                     42: #define SCCSPREFIX "s."
                     43: #define GET "get -e %s"
                     44: #define SCCSDIFF "get -p %s | diff - %s >/dev/null"
                     45:
                     46: #define RCSSUFFIX ",v"
                     47: #define CHECKOUT "co -l %s"
                     48: #define RCSDIFF "rcsdiff %s > /dev/null"
                     49:
                     50: #define ORIGEXT ".orig"
                     51: #define REJEXT ".rej"
                     52:
                     53: /* handy definitions */
                     54:
                     55: #define Null(t) ((t)0)
                     56: #define Nullch Null(char *)
                     57: #define Nullfp Null(FILE *)
                     58: #define Nulline Null(LINENUM)
                     59:
                     60: #define Ctl(ch) ((ch) & 037)
                     61:
                     62: #define strNE(s1,s2) (strcmp(s1, s2))
                     63: #define strEQ(s1,s2) (!strcmp(s1, s2))
                     64: #define strnNE(s1,s2,l) (strncmp(s1, s2, l))
                     65: #define strnEQ(s1,s2,l) (!strncmp(s1, s2, l))
                     66:
                     67: /* typedefs */
                     68:
                     69: typedef char bool;
                     70: typedef long LINENUM;                  /* must be signed */
                     71: typedef unsigned MEM;                  /* what to feed malloc */
                     72:
                     73: /* globals */
                     74:
                     75: EXT int Argc;                          /* guess */
                     76: EXT char **Argv;
                     77: EXT int Argc_last;                     /* for restarting plan_b */
                     78: EXT char **Argv_last;
                     79:
                     80: EXT struct stat filestat;              /* file statistics area */
                     81: EXT int filemode INIT(0644);
                     82:
                     83: EXT char buf[MAXLINELEN];              /* general purpose buffer */
                     84: EXT FILE *ofp INIT(Nullfp);            /* output file pointer */
                     85: EXT FILE *rejfp INIT(Nullfp);          /* reject file pointer */
                     86:
                     87: EXT int myuid;                         /* cache getuid return value */
                     88:
                     89: EXT bool using_plan_a INIT(TRUE);      /* try to keep everything in memory */
                     90: EXT bool out_of_mem INIT(FALSE);       /* ran out of memory in plan a */
                     91:
                     92: #define MAXFILEC 2
                     93: EXT int filec INIT(0);                 /* how many file arguments? */
                     94: EXT char *filearg[MAXFILEC];
                     95: EXT bool ok_to_create_file INIT(FALSE);
                     96: EXT char *bestguess INIT(Nullch);      /* guess at correct filename */
                     97:
                     98: EXT char *outname INIT(Nullch);
                     99: EXT char rejname[128];
                    100:
                    101: EXT char *origprae INIT(Nullch);
                    102:
                    103: EXT char *TMPOUTNAME;
                    104: EXT char *TMPINNAME;
                    105: EXT char *TMPREJNAME;
                    106: EXT char *TMPPATNAME;
                    107: EXT bool toutkeep INIT(FALSE);
                    108: EXT bool trejkeep INIT(FALSE);
                    109:
                    110: EXT LINENUM last_offset INIT(0);
                    111: #ifdef DEBUGGING
                    112: EXT int debug INIT(0);
                    113: #endif
                    114: EXT LINENUM maxfuzz INIT(2);
                    115: EXT bool force INIT(FALSE);
                    116: EXT bool batch INIT(FALSE);
                    117: EXT bool verbose INIT(TRUE);
                    118: EXT bool reverse INIT(FALSE);
                    119: EXT bool noreverse INIT(FALSE);
                    120: EXT bool skip_rest_of_patch INIT(FALSE);
                    121: EXT int strippath INIT(957);
                    122: EXT bool canonicalize INIT(FALSE);
                    123:
                    124: #define CONTEXT_DIFF 1
                    125: #define NORMAL_DIFF 2
                    126: #define ED_DIFF 3
                    127: #define NEW_CONTEXT_DIFF 4
                    128: #define UNI_DIFF 5
                    129: EXT int diff_type INIT(0);
                    130:
                    131: EXT bool do_defines INIT(FALSE);       /* patch using ifdef, ifndef, etc. */
                    132: EXT char if_defined[128];              /* #ifdef xyzzy */
                    133: EXT char not_defined[128];             /* #ifndef xyzzy */
                    134: EXT char else_defined[] INIT("#else\n");/* #else */
                    135: EXT char end_defined[128];             /* #endif xyzzy */
                    136:
                    137: EXT char *revision INIT(Nullch);       /* prerequisite revision, if any */
                    138:
                    139: #if !defined(S_ISDIR) && defined(S_IFDIR)
                    140: #define        S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
                    141: #endif
                    142: #if !defined(S_ISREG) && defined(S_IFREG)
                    143: #define        S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
                    144: #endif