usr.bin/patch/common.h

   1 /*
   2  * $OpenBSD: common.h,v 1.26 2006/03/11 19:41:30 otto Exp $
   3  * $DragonFly: src/usr.bin/patch/common.h,v 1.5 2008/08/10 23:50:12 joerg Exp $
   4  * $NetBSD: common.h,v 1.21 2015/07/24 18:56:44 christos Exp $
   5  */
   6
   7 /*
   8  * patch - a program to apply diffs to original files
   9  *
  10  * Copyright 1986, Larry Wall
  11  *
  12  * Redistribution and use in source and binary forms, with or without
  13  * modification, are permitted provided that the following condition is met:
  14  * 1. Redistributions of source code must retain the above copyright notice,
  15  * this condition and the following disclaimer.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
  18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  21  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  23  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  24  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  *
  29  * -C option added in 1998, original code by Marc Espie, based on FreeBSD
  30  * behaviour
  31  */
  32
  33 #include <sys/types.h>
  34
  35 #include <stdbool.h>
  36 #include <stdint.h>
  37
  38 #define DEBUGGING
  39
  40 /* constants */
  41
  42 #define MAXHUNKSIZE 100000      /* is this enough lines? */
  43 #define INITHUNKMAX 125         /* initial dynamic allocation size */
  44 #define MAXLINELEN 8192
  45 #define BUFFERSIZE 1024
  46 #define LINENUM_MAX LONG_MAX
  47
  48 #define SCCSPREFIX "s."
  49 #define GET "get -e %s"
  50 #define SCCSDIFF "get -p %s | diff - %s >/dev/null"
  51
  52 #define RCSSUFFIX ",v"
  53 #define CHECKOUT "/usr/bin/co"
  54 #define RCSDIFF "/usr/bin/rcsdiff"
  55
  56 #define ORIGEXT ".orig"
  57 #define REJEXT ".rej"
  58
  59 /* handy definitions */
  60
  61 #define strNE(s1,s2) (strcmp(s1, s2))
  62 #define strEQ(s1,s2) (!strcmp(s1, s2))
  63 #define strnNE(s1,s2,l) (strncmp(s1, s2, l))
  64 #define strnEQ(s1,s2,l) (!strncmp(s1, s2, l))
  65
  66 /* typedefs */
  67
  68 typedef long    LINENUM;        /* must be signed */
  69
  70 /* globals */
  71
  72 extern mode_t   filemode;
  73
  74 extern char     buf[MAXLINELEN];/* general purpose buffer */
  75 extern size_t   buf_len;
  76
  77 extern bool     using_plan_a;   /* try to keep everything in memory */
  78 extern bool     out_of_mem;     /* ran out of memory in plan a */
  79
  80 #define MAXFILEC 2
  81
  82 extern char     *filearg[MAXFILEC];
  83 extern bool     ok_to_create_file;
  84 extern char     *outname;
  85 extern char     *origprae;
  86
  87 extern char     *TMPOUTNAME;
  88 extern char     *TMPINNAME;
  89 extern char     *TMPREJNAME;
  90 extern char     *TMPPATNAME;
  91 extern bool     toutkeep;
  92 extern bool     trejkeep;
  93
  94 #ifdef DEBUGGING
  95 extern int      debug;
  96 #endif
  97
  98 extern bool     force;
  99 extern bool     batch;
 100 extern bool     verbose;
 101 extern bool     reverse;
 102 extern bool     noreverse;
 103 extern bool     skip_rest_of_patch;
 104 extern int      strippath;
 105 extern bool     canonicalize;
 106 /* TRUE if -C was specified on command line.  */
 107 extern bool     check_only;
 108 extern bool     warn_on_invalid_line;
 109 extern bool     last_line_missing_eol;
 110
 111
 112 #define CONTEXT_DIFF 1
 113 #define NORMAL_DIFF 2
 114 #define ED_DIFF 3
 115 #define NEW_CONTEXT_DIFF 4
 116 #define UNI_DIFF 5
 117
 118 extern int      diff_type;
 119 extern char     *revision;      /* prerequisite revision, if any */
 120 extern LINENUM  input_lines;    /* how long is input file in lines */
 121
 122 extern int      posix;
 123