usr.bin/patch/common.h

   1 /*
   2  * $OpenBSD: common.h,v 1.25 2003/10/31 20:20:45 millert Exp $
   3  * $DragonFly: src/usr.bin/patch/common.h,v 1.3 2006/04/18 22:11:35 joerg Exp $
   4  */
   5
   6 /*
   7  * patch - a program to apply diffs to original files
   8  *
   9  * Copyright 1986, Larry Wall
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following condition is met:
  13  * 1. Redistributions of source code must retain the above copyright notice,
  14  * this condition and the following disclaimer.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
  17  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  20  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  22  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  23  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  *
  28  * -C option added in 1998, original code by Marc Espie, based on FreeBSD
  29  * behaviour
  30  */
  31
  32 #include <stdbool.h>
  33
  34 /*
  35  * SIZE_MAX: older BSD compatibility for buildworld bootstrap mode only
  36  */
  37 #if defined(BOOTSTRAPPING) && !defined(SIZE_MAX)
  38 #define SIZE_MAX        0x7fffffff
  39 #endif
  40
  41 #define DEBUGGING
  42
  43 /* constants */
  44
  45 #define MAXHUNKSIZE 100000      /* is this enough lines? */
  46 #define INITHUNKMAX 125         /* initial dynamic allocation size */
  47 #define MAXLINELEN 8192
  48 #define BUFFERSIZE 1024
  49
  50 #define SCCSPREFIX "s."
  51 #define GET "get -e %s"
  52 #define SCCSDIFF "get -p %s | diff - %s >/dev/null"
  53
  54 #define RCSSUFFIX ",v"
  55 #define CHECKOUT "co -l %s"
  56 #define RCSDIFF "rcsdiff %s > /dev/null"
  57
  58 #define ORIGEXT ".orig"
  59 #define REJEXT ".rej"
  60
  61 /* handy definitions */
  62
  63 #define strNE(s1,s2) (strcmp(s1, s2))
  64 #define strEQ(s1,s2) (!strcmp(s1, s2))
  65 #define strnNE(s1,s2,l) (strncmp(s1, s2, l))
  66 #define strnEQ(s1,s2,l) (!strncmp(s1, s2, l))
  67
  68 /* typedefs */
  69
  70 typedef long    LINENUM;        /* must be signed */
  71
  72 /* globals */
  73
  74 extern int      filemode;
  75
  76 extern char     buf[MAXLINELEN];/* general purpose buffer */
  77 extern size_t   buf_len;
  78
  79 extern bool     using_plan_a;   /* try to keep everything in memory */
  80 extern bool     out_of_mem;     /* ran out of memory in plan a */
  81
  82 #define MAXFILEC 2
  83
  84 extern char     *filearg[MAXFILEC];
  85 extern bool     ok_to_create_file;
  86 extern char     *outname;
  87 extern char     *origprae;
  88
  89 extern char     *TMPOUTNAME;
  90 extern char     *TMPINNAME;
  91 extern char     *TMPREJNAME;
  92 extern char     *TMPPATNAME;
  93 extern bool     toutkeep;
  94 extern bool     trejkeep;
  95
  96 #ifdef DEBUGGING
  97 extern int      debug;
  98 #endif
  99
 100 extern bool     force;
 101 extern bool     batch;
 102 extern bool     verbose;
 103 extern bool     reverse;
 104 extern bool     noreverse;
 105 extern bool     skip_rest_of_patch;
 106 extern int      strippath;
 107 extern bool     canonicalize;
 108 /* TRUE if -C was specified on command line.  */
 109 extern bool     check_only;
 110 extern bool     warn_on_invalid_line;
 111 extern bool     last_line_missing_eol;
 112
 113
 114 #define CONTEXT_DIFF 1
 115 #define NORMAL_DIFF 2
 116 #define ED_DIFF 3
 117 #define NEW_CONTEXT_DIFF 4
 118 #define UNI_DIFF 5
 119
 120 extern int      diff_type;
 121 extern char     *revision;      /* prerequisite revision, if any */
 122 extern LINENUM  input_lines;    /* how long is input file in lines */
 123
 124 extern int      posix;
 125