patch_cmds/patch/common.h

   1 /*      $OpenBSD: common.h,v 1.26 2006/03/11 19:41:30 otto Exp $        */
   2
   3 /*
   4  * patch - a program to apply diffs to original files
   5  *
   6  * Copyright 1986, Larry Wall
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following condition is met:
  10  * 1. Redistributions of source code must retain the above copyright notice,
  11  * this condition and the following disclaimer.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  16  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  17  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  19  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  20  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  23  * SUCH DAMAGE.
  24  *
  25  * -C option added in 1998, original code by Marc Espie, based on FreeBSD
  26  * behaviour
  27  */
  28
  29 #include <sys/types.h>
  30
  31 #include <stdbool.h>
  32 #include <stdint.h> // for SIZE_MAX
  33
  34 #define DEBUGGING
  35
  36 /* constants */
  37
  38 #define MAXHUNKSIZE 100000      /* is this enough lines? */
  39 #define INITHUNKMAX 125         /* initial dynamic allocation size */
  40 #define MAXLINELEN 8192
  41 #define BUFFERSIZE 1024
  42
  43 #define SCCSPREFIX "s."
  44 #define GET "get -e %s"
  45 #define SCCSDIFF "get -p %s | diff - %s >/dev/null"
  46
  47 #define RCSSUFFIX ",v"
  48 #define CHECKOUT "co -l %s"
  49 #define RCSDIFF "rcsdiff %s > /dev/null"
  50
  51 #define ORIGEXT ".orig"
  52 #define REJEXT ".rej"
  53
  54 /* handy definitions */
  55
  56 #define strNE(s1,s2) (strcmp(s1, s2))
  57 #define strEQ(s1,s2) (!strcmp(s1, s2))
  58 #define strnNE(s1,s2,l) (strncmp(s1, s2, l))
  59 #define strnEQ(s1,s2,l) (!strncmp(s1, s2, l))
  60
  61 /* typedefs */
  62
  63 typedef long    LINENUM;        /* must be signed */
  64
  65 /* globals */
  66
  67 extern mode_t   filemode;
  68
  69 extern char     buf[MAXLINELEN];/* general purpose buffer */
  70
  71 extern bool     using_plan_a;   /* try to keep everything in memory */
  72 extern bool     out_of_mem;     /* ran out of memory in plan a */
  73
  74 #define MAXFILEC 2
  75
  76 extern char     *filearg[MAXFILEC];
  77 extern bool     ok_to_create_file;
  78 extern char     *outname;
  79 extern char     *origprae;
  80
  81 extern char     *TMPOUTNAME;
  82 extern char     *TMPINNAME;
  83 extern char     *TMPREJNAME;
  84 extern char     *TMPPATNAME;
  85 extern bool     toutkeep;
  86 extern bool     trejkeep;
  87
  88 #ifdef DEBUGGING
  89 extern int      debug;
  90 #endif
  91
  92 extern bool     force;
  93 extern bool     batch;
  94 extern int      verbose;
  95 extern bool     reverse;
  96 extern bool     noreverse;
  97 extern bool     skip_rest_of_patch;
  98 extern int      strippath;
  99 extern bool     canonicalize;
 100 /* TRUE if -C was specified on command line.  */
 101 extern bool     check_only;
 102 extern bool     warn_on_invalid_line;
 103 extern bool     last_line_missing_eol;
 104
 105
 106 #define CONTEXT_DIFF 1
 107 #define NORMAL_DIFF 2
 108 #define ED_DIFF 3
 109 #define NEW_CONTEXT_DIFF 4
 110 #define UNI_DIFF 5
 111
 112 extern int      diff_type;
 113 extern char     *revision;      /* prerequisite revision, if any */
 114 extern LINENUM  input_lines;    /* how long is input file in lines */
 115
 116 extern int      posix;
 117