[BACK]Return to less.h CVS log [TXT][DIR] Up to [local] / src / usr.bin / less

Diff for /src/usr.bin/less/less.h between version 1.9 and 1.10

version 1.9, 2014/04/25 13:38:21 version 1.10, 2015/11/05 22:08:44
Line 6 
Line 6 
  *   *
  * For more information, see the README file.   * For more information, see the README file.
  */   */
   
 #define NEWBOT 1  
   
 /*  /*
  * Standard include file for "less".   * Modified for use with illumos.
    * Copyright 2014 Garrett D'Amore <garrett@damore.org>
  */   */
   
 /*  /*
  * Defines for MSDOS_COMPILER.   * Standard include file for "less".
  */   */
 #define MSOFTC          1       /* Microsoft C */  
 #define BORLANDC        2       /* Borland C */  
 #define WIN32C          3       /* Windows (Borland C or Microsoft C) */  
 #define DJGPPC          4       /* DJGPP C */  
   
 /*  /*
  * Include the file of compile-time options.   * Include the file of compile-time options.
Line 27 
Line 21 
  */   */
 #include <defines.h>  #include <defines.h>
   
 #ifdef _SEQUENT_  
 /*  
  * Kludge for Sequent Dynix systems that have sigsetmask, but  
  * it's not compatible with the way less calls it.  
  * {{ Do other systems need this? }}  
  */  
 #undef HAVE_SIGSETMASK  
 #endif  
   
 /*  
  * Language details.  
  */  
 #if HAVE_VOID  
 #define VOID_POINTER    void *  
 #else  
 #define VOID_POINTER    char *  
 #define void  int  
 #endif  
 #if HAVE_CONST  
 #define constant        const  
 #else  
 #define constant  
 #endif  
   
 #define public          /* PUBLIC FUNCTION */  
   
 /* Library function declarations */  /* Library function declarations */
   
 #if HAVE_SYS_TYPES_H  
 #include <sys/types.h>  #include <sys/types.h>
 #endif  
 #if HAVE_STDIO_H  
 #include <stdio.h>  #include <stdio.h>
 #endif  
 #if HAVE_FCNTL_H  
 #include <fcntl.h>  #include <fcntl.h>
 #endif  
 #if HAVE_UNISTD_H  
 #include <unistd.h>  #include <unistd.h>
 #endif  
 #if HAVE_CTYPE_H  
 #include <ctype.h>  #include <ctype.h>
 #endif  
 #if HAVE_WCTYPE_H  
 #include <wctype.h>  #include <wctype.h>
 #endif  
 #if HAVE_LIMITS_H  
 #include <limits.h>  #include <limits.h>
 #endif  
 #if HAVE_STDLIB_H  
 #include <stdlib.h>  #include <stdlib.h>
 #endif  
 #if HAVE_STRING_H  
 #include <string.h>  #include <string.h>
 #endif  #include <libgen.h>
 #include <signal.h>  #include <signal.h>
   
 /* OS-specific includes */  
 #ifdef _OSK  
 #include <modes.h>  
 #include <strings.h>  
 #endif  
   
 #ifdef __TANDEM  
 #include <floss.h>  
 #endif  
   
 #if MSDOS_COMPILER==WIN32C || OS2  
 #include <io.h>  
 #endif  
   
 #if MSDOS_COMPILER==DJGPPC  
 #include <io.h>  
 #include <sys/exceptn.h>  
 #include <conio.h>  
 #include <pc.h>  
 #endif  
   
 #if !HAVE_STDLIB_H  
 char *getenv();  
 off_t lseek();  
 VOID_POINTER calloc();  
 void free();  
 #endif  
   
 /*  /*
  * Simple lowercase test which can be used during option processing   * Simple lowercase test which can be used during option processing
  * (before options are parsed which might tell us what charset to use).   * (before options are parsed which might tell us what charset to use).
  */   */
 #define ASCII_IS_UPPER(c)       ((c) >= 'A' && (c) <= 'Z')  
 #define ASCII_IS_LOWER(c)       ((c) >= 'a' && (c) <= 'z')  
 #define ASCII_TO_UPPER(c)       ((c) - 'a' + 'A')  
 #define ASCII_TO_LOWER(c)       ((c) - 'A' + 'a')  
   
 #undef IS_UPPER  #undef IS_UPPER
 #undef IS_LOWER  #undef IS_LOWER
Line 128 
Line 47 
 #undef IS_SPACE  #undef IS_SPACE
 #undef IS_DIGIT  #undef IS_DIGIT
   
 #if HAVE_WCTYPE  
 #define IS_UPPER(c)     iswupper(c)  #define IS_UPPER(c)     iswupper(c)
 #define IS_LOWER(c)     iswlower(c)  #define IS_LOWER(c)     iswlower(c)
 #define TO_UPPER(c)     towupper(c)  #define TO_UPPER(c)     towupper(c)
 #define TO_LOWER(c)     towlower(c)  #define TO_LOWER(c)     towlower(c)
 #else  
 #if HAVE_UPPER_LOWER  
 #define IS_UPPER(c)     isupper((unsigned char) (c))  
 #define IS_LOWER(c)     islower((unsigned char) (c))  
 #define TO_UPPER(c)     toupper((unsigned char) (c))  
 #define TO_LOWER(c)     tolower((unsigned char) (c))  
 #else  
 #define IS_UPPER(c)     ASCII_IS_UPPER(c)  
 #define IS_LOWER(c)     ASCII_IS_LOWER(c)  
 #define TO_UPPER(c)     ASCII_TO_UPPER(c)  
 #define TO_LOWER(c)     ASCII_TO_LOWER(c)  
 #endif  
 #endif  
   
 #ifdef isspace  #define IS_SPACE(c)     isspace((unsigned char)(c))
 #define IS_SPACE(c)     isspace((unsigned char)(c))  #define IS_DIGIT(c)     isdigit((unsigned char)(c))
 #else  
 #define IS_SPACE(c)     ((c) == ' ' || (c) == '\t' || (c) == '\n' || (c) == '\r' || (c) == '\f')  
 #endif  
   
 #ifdef isdigit  #define IS_CSI_START(c) (((LWCHAR)(c)) == ESC || (((LWCHAR)(c)) == CSI))
 #define IS_DIGIT(c)     isdigit((unsigned char)(c))  
 #else  
 #define IS_DIGIT(c)     ((c) >= '0' && (c) <= '9')  
 #endif  
   
 #define IS_CSI_START(c) (((LWCHAR)(c)) == ESC || (((LWCHAR)(c)) == CSI))  
   
 #ifndef NULL  
 #define NULL    0  
 #endif  
   
 #ifndef TRUE  #ifndef TRUE
 #define TRUE            1  #define TRUE            1
 #endif  #endif
Line 176 
Line 68 
 #define OPT_ON          1  #define OPT_ON          1
 #define OPT_ONPLUS      2  #define OPT_ONPLUS      2
   
 #if !HAVE_MEMCPY  
 #ifndef memcpy  
 #define memcpy(to,from,len)     bcopy((from),(to),(len))  
 #endif  
 #endif  
   
 #if HAVE_SNPRINTF  
 #define SNPRINTF1(str, size, fmt, v1)             snprintf((str), (size), (fmt), (v1))  
 #define SNPRINTF2(str, size, fmt, v1, v2)         snprintf((str), (size), (fmt), (v1), (v2))  
 #define SNPRINTF3(str, size, fmt, v1, v2, v3)     snprintf((str), (size), (fmt), (v1), (v2), (v3))  
 #define SNPRINTF4(str, size, fmt, v1, v2, v3, v4) snprintf((str), (size), (fmt), (v1), (v2), (v3), (v4))  
 #else  
 /* Use unsafe sprintf if we don't have snprintf. */  
 #define SNPRINTF1(str, size, fmt, v1)             sprintf((str), (fmt), (v1))  
 #define SNPRINTF2(str, size, fmt, v1, v2)         sprintf((str), (fmt), (v1), (v2))  
 #define SNPRINTF3(str, size, fmt, v1, v2, v3)     sprintf((str), (fmt), (v1), (v2), (v3))  
 #define SNPRINTF4(str, size, fmt, v1, v2, v3, v4) sprintf((str), (fmt), (v1), (v2), (v3), (v4))  
 #endif  
   
 #define BAD_LSEEK       ((off_t)-1)  #define BAD_LSEEK       ((off_t)-1)
   
 #ifndef SEEK_SET  
 #define SEEK_SET 0  
 #endif  
 #ifndef SEEK_END  
 #define SEEK_END 2  
 #endif  
   
 #ifndef CHAR_BIT  #ifndef CHAR_BIT
 #define CHAR_BIT 8  #define CHAR_BIT 8
 #endif  #endif
   
 /*  /*
Line 213 
Line 79 
  * 302 / 1000 is ceil (log10 (2.0)).  Subtract 1 for the sign bit;   * 302 / 1000 is ceil (log10 (2.0)).  Subtract 1 for the sign bit;
  * add 1 for integer division truncation; add 1 more for a minus sign.   * add 1 for integer division truncation; add 1 more for a minus sign.
  */   */
 #define INT_STRLEN_BOUND(t) ((sizeof(t) * CHAR_BIT - 1) * 302 / 1000 + 1 + 1)  #define INT_STRLEN_BOUND(t) ((sizeof (t) * CHAR_BIT - 1) * 302 / 1000 + 1 + 1)
   
 /*  /*
  * Special types and constants.   * Special types and constants.
  */   */
 typedef unsigned long LWCHAR;  typedef unsigned long LWCHAR;
 typedef off_t           POSITION;  
 typedef off_t           LINENUM;  typedef off_t           LINENUM;
 #define MIN_LINENUM_WIDTH  7    /* Min printing width of a line number */  #define MIN_LINENUM_WIDTH  7    /* Min printing width of a line number */
 #define MAX_UTF_CHAR_LEN   6    /* Max bytes in one UTF-8 char */  #define MAX_UTF_CHAR_LEN   6    /* Max bytes in one UTF-8 char */
   
 #define NULL_POSITION   ((POSITION)(-1))  
   
 /*  /*
  * Flags for open()   * Flags for open()
  */   */
 #if MSDOS_COMPILER || OS2  
 #define OPEN_READ       (O_RDONLY|O_BINARY)  
 #else  
 #ifdef _OSK  
 #define OPEN_READ       (S_IREAD)  
 #else  
 #ifdef O_RDONLY  
 #define OPEN_READ       (O_RDONLY)  #define OPEN_READ       (O_RDONLY)
 #else  
 #define OPEN_READ       (0)  
 #endif  
 #endif  
 #endif  
   
 #if defined(O_WRONLY) && defined(O_APPEND)  
 #define OPEN_APPEND     (O_APPEND|O_WRONLY)  #define OPEN_APPEND     (O_APPEND|O_WRONLY)
 #else  
 #ifdef _OSK  
 #define OPEN_APPEND     (S_IWRITE)  
 #else  
 #define OPEN_APPEND     (1)  
 #endif  
 #endif  
   
 /*  
  * Set a file descriptor to binary mode.  
  */  
 #if MSDOS_COMPILER==MSOFTC  
 #define SET_BINARY(f)   _setmode(f, _O_BINARY);  
 #else  
 #if MSDOS_COMPILER || OS2  
 #define SET_BINARY(f)   setmode(f, O_BINARY)  
 #else  
 #define SET_BINARY(f)  
 #endif  
 #endif  
   
 /*  
  * Does the shell treat "?" as a metacharacter?  
  */  
 #if MSDOS_COMPILER || OS2 || _OSK  
 #define SHELL_META_QUEST 0  
 #else  
 #define SHELL_META_QUEST 1  #define SHELL_META_QUEST 1
 #endif  
   
 #define SPACES_IN_FILENAMES 1  #define SPACES_IN_FILENAMES 1
   
 /*  /*
  * An IFILE represents an input file.   * An IFILE represents an input file.
  */   */
 #define IFILE           VOID_POINTER  #define IFILE           void *
 #define NULL_IFILE      ((IFILE)NULL)  #define NULL_IFILE      (NULL)
   
 /*  /*
  * The structure used to represent a "screen position".   * The structure used to represent a "screen position".
Line 290 
Line 112 
  * position is displayed on the ln-th line of the screen.   * position is displayed on the ln-th line of the screen.
  * (Screen lines before ln are empty.)   * (Screen lines before ln are empty.)
  */   */
 struct scrpos  struct scrpos {
 {          off_t pos;
         POSITION pos;  
         int ln;          int ln;
 };  };
   
Line 316 
Line 137 
 #define READ_INTR       (-2)  #define READ_INTR       (-2)
   
 /* A fraction is represented by an int n; the fraction is n/NUM_FRAC_DENOM */  /* A fraction is represented by an int n; the fraction is n/NUM_FRAC_DENOM */
 #define NUM_FRAC_DENOM                  1000000  #define NUM_FRAC_DENOM                  1000000
 #define NUM_LOG_FRAC_DENOM              6  #define NUM_LOG_FRAC_DENOM              6
   
 /* How quiet should we be? */  /* How quiet should we be? */
 #define NOT_QUIET       0       /* Ring bell at eof and for errors */  #define NOT_QUIET       0       /* Ring bell at eof and for errors */
Line 335 
Line 156 
 #define BS_CONTROL      2       /* \b treated as control char; prints as ^H */  #define BS_CONTROL      2       /* \b treated as control char; prints as ^H */
   
 /* How should we search? */  /* How should we search? */
 #define SRCH_FORW       (1 << 0)  /* Search forward from current position */  #define SRCH_FORW       (1 << 0)  /* Search forward from current position */
 #define SRCH_BACK       (1 << 1)  /* Search backward from current position */  #define SRCH_BACK       (1 << 1)  /* Search backward from current position */
 #define SRCH_NO_MOVE    (1 << 2)  /* Highlight, but don't move */  #define SRCH_NO_MOVE    (1 << 2)  /* Highlight, but don't move */
 #define SRCH_FIND_ALL   (1 << 4)  /* Find and highlight all matches */  #define SRCH_FIND_ALL   (1 << 4)  /* Find and highlight all matches */
 #define SRCH_NO_MATCH   (1 << 8)  /* Search for non-matching lines */  #define SRCH_NO_MATCH   (1 << 8)  /* Search for non-matching lines */
 #define SRCH_PAST_EOF   (1 << 9)  /* Search past end-of-file, into next file */  #define SRCH_PAST_EOF   (1 << 9)  /* Search past end-of-file, into next file */
 #define SRCH_FIRST_FILE (1 << 10) /* Search starting at the first file */  #define SRCH_FIRST_FILE (1 << 10) /* Search starting at the first file */
 #define SRCH_NO_REGEX   (1 << 12) /* Don't use regular expressions */  #define SRCH_NO_REGEX   (1 << 12) /* Don't use regular expressions */
 #define SRCH_FILTER     (1 << 13) /* Search is for '&' (filter) command */  #define SRCH_FILTER     (1 << 13) /* Search is for '&' (filter) command */
 #define SRCH_AFTER_TARGET (1 << 14) /* Start search after the target line */  #define SRCH_AFTER_TARGET (1 << 14) /* Start search after the target line */
   
 #define SRCH_REVERSE(t) (((t) & SRCH_FORW) ? \  #define SRCH_REVERSE(t) (((t) & SRCH_FORW) ? \
                                 (((t) & ~SRCH_FORW) | SRCH_BACK) : \                                  (((t) & ~SRCH_FORW) | SRCH_BACK) : \
Line 360 
Line 181 
 #define CC_ERROR        2       /* Char could not be accepted due to error */  #define CC_ERROR        2       /* Char could not be accepted due to error */
 #define CC_PASS         3       /* Char was rejected (internal) */  #define CC_PASS         3       /* Char was rejected (internal) */
   
 #define CF_QUIT_ON_ERASE 0001   /* Abort cmd if its entirely erased */  #define CF_QUIT_ON_ERASE 0001   /* Abort cmd if its entirely erased */
   
 /* Special char bit-flags used to tell put_line() to do something special */  /* Special char bit-flags used to tell put_line() to do something special */
 #define AT_NORMAL       (0)  #define AT_NORMAL       (0)
Line 372 
Line 193 
 #define AT_BINARY       (1 << 5)  /* LESS*BINFMT representation */  #define AT_BINARY       (1 << 5)  /* LESS*BINFMT representation */
 #define AT_HILITE       (1 << 6)  /* Internal highlights (e.g., for search) */  #define AT_HILITE       (1 << 6)  /* Internal highlights (e.g., for search) */
   
 #if '0' == 240  
 #define IS_EBCDIC_HOST 1  
 #endif  
   
 #if IS_EBCDIC_HOST  
 /*  
  * Long definition for EBCDIC.  
  * Since the argument is usually a constant, this macro normally compiles  
  * into a constant.  
  */  
 #define CONTROL(c) ( \  
         (c)=='[' ? '\047' : \  
         (c)=='a' ? '\001' : \  
         (c)=='b' ? '\002' : \  
         (c)=='c' ? '\003' : \  
         (c)=='d' ? '\067' : \  
         (c)=='e' ? '\055' : \  
         (c)=='f' ? '\056' : \  
         (c)=='g' ? '\057' : \  
         (c)=='h' ? '\026' : \  
         (c)=='i' ? '\005' : \  
         (c)=='j' ? '\025' : \  
         (c)=='k' ? '\013' : \  
         (c)=='l' ? '\014' : \  
         (c)=='m' ? '\015' : \  
         (c)=='n' ? '\016' : \  
         (c)=='o' ? '\017' : \  
         (c)=='p' ? '\020' : \  
         (c)=='q' ? '\021' : \  
         (c)=='r' ? '\022' : \  
         (c)=='s' ? '\023' : \  
         (c)=='t' ? '\074' : \  
         (c)=='u' ? '\075' : \  
         (c)=='v' ? '\062' : \  
         (c)=='w' ? '\046' : \  
         (c)=='x' ? '\030' : \  
         (c)=='y' ? '\031' : \  
         (c)=='z' ? '\077' : \  
         (c)=='A' ? '\001' : \  
         (c)=='B' ? '\002' : \  
         (c)=='C' ? '\003' : \  
         (c)=='D' ? '\067' : \  
         (c)=='E' ? '\055' : \  
         (c)=='F' ? '\056' : \  
         (c)=='G' ? '\057' : \  
         (c)=='H' ? '\026' : \  
         (c)=='I' ? '\005' : \  
         (c)=='J' ? '\025' : \  
         (c)=='K' ? '\013' : \  
         (c)=='L' ? '\014' : \  
         (c)=='M' ? '\015' : \  
         (c)=='N' ? '\016' : \  
         (c)=='O' ? '\017' : \  
         (c)=='P' ? '\020' : \  
         (c)=='Q' ? '\021' : \  
         (c)=='R' ? '\022' : \  
         (c)=='S' ? '\023' : \  
         (c)=='T' ? '\074' : \  
         (c)=='U' ? '\075' : \  
         (c)=='V' ? '\062' : \  
         (c)=='W' ? '\046' : \  
         (c)=='X' ? '\030' : \  
         (c)=='Y' ? '\031' : \  
         (c)=='Z' ? '\077' : \  
         (c)=='|' ? '\031' : \  
         (c)=='\\' ? '\034' : \  
         (c)=='^' ? '\036' : \  
         (c)&077)  
 #else  
 #define CONTROL(c)      ((c)&037)  #define CONTROL(c)      ((c)&037)
 #endif /* IS_EBCDIC_HOST */  
   
 #define ESC             CONTROL('[')  #define ESC             CONTROL('[')
 #define CSI             ((unsigned char)'\233')  #define CSI             ((unsigned char)'\233')
   
 #if _OSK_MWC32  #define LSIGNAL(sig, func)      lsignal(sig, func)
 #define LSIGNAL(sig,func)       os9_signal(sig,func)  
 #else  
 #define LSIGNAL(sig,func)       lsignal(sig,func)  
 #endif  
   
 #if HAVE_SIGPROCMASK  
 #if HAVE_SIGSET_T  
 #else  
 #undef HAVE_SIGPROCMASK  
 #endif  
 #endif  
 #if HAVE_SIGPROCMASK  
 #if HAVE_SIGEMPTYSET  
 #else  
 #undef  sigemptyset  
 #define sigemptyset(mp) *(mp) = 0  
 #endif  
 #endif  
   
 #define S_INTERRUPT     01  #define S_INTERRUPT     01
 #define S_STOP          02  #define S_STOP          02
 #define S_WINCH         04  #define S_WINCH         04
 #define ABORT_SIGS()    (sigs & (S_INTERRUPT|S_STOP))  #define ABORT_SIGS()    (sigs & (S_INTERRUPT|S_STOP))
   
 #define QUIT_OK         0  #define QUIT_OK         0
Line 477 
Line 210 
 #define QUIT_INTERRUPT  2  #define QUIT_INTERRUPT  2
 #define QUIT_SAVED_STATUS (-1)  #define QUIT_SAVED_STATUS (-1)
   
 #define FOLLOW_DESC     0  #define FOLLOW_DESC     0
 #define FOLLOW_NAME     1  #define FOLLOW_NAME     1
   
 /* filestate flags */  /* filestate flags */
 #define CH_CANSEEK      001  #define CH_CANSEEK      001
Line 488 
Line 221 
 #define CH_NODATA       020     /* Special case for zero length files */  #define CH_NODATA       020     /* Special case for zero length files */
   
   
 #define ch_zero()       ((POSITION)0)  #define ch_zero()       (0)
   
 #define FAKE_HELPFILE   "@/\\less/\\help/\\file/\\@"  #define FAKE_EMPTYFILE  "@/\\less/\\empty/\\file/\\@"
 #define FAKE_EMPTYFILE  "@/\\less/\\empty/\\file/\\@"  
   
 /* Flags for cvt_text */  /* Flags for cvt_text */
 #define CVT_TO_LC       01      /* Convert upper-case to lower-case */  #define CVT_TO_LC       01      /* Convert upper-case to lower-case */
Line 502 
Line 234 
 #include "funcs.h"  #include "funcs.h"
   
 /* Functions not included in funcs.h */  /* Functions not included in funcs.h */
 void postoa();  void postoa(off_t, char *, size_t);
 void linenumtoa();  void linenumtoa(LINENUM, char *, size_t);
 void inttoa();  void inttoa(int, char *, size_t);
Legend:
Removed from v.1.9  
changed lines
  Added in v.1.10