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  * $NetBSD$
   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
  47 #define SCCSPREFIX "s."
  48 #define GET "get -e %s"
  49 #define SCCSDIFF "get -p %s | diff - %s >/dev/null"
  50
  51 #define RCSSUFFIX ",v"
  52 #define CHECKOUT "co -l %s"
  53 #define RCSDIFF "rcsdiff %s > /dev/null"
  54
  55 #define ORIGEXT ".orig"
  56 #define REJEXT ".rej"
  57
  58 /* handy definitions */
  59
  60 #define strNE(s1,s2) (strcmp(s1, s2))
  61 #define strEQ(s1,s2) (!strcmp(s1, s2))
  62 #define strnNE(s1,s2,l) (strncmp(s1, s2, l))
  63 #define strnEQ(s1,s2,l) (!strncmp(s1, s2, l))
  64
  65 /* typedefs */
  66
  67 typedef long    LINENUM;        /* must be signed */
  68
  69 /* globals */
  70
  71 extern mode_t   filemode;
  72
  73 extern char     buf[MAXLINELEN];/* general purpose buffer */
  74 extern size_t   buf_len;
  75
  76 extern bool     using_plan_a;   /* try to keep everything in memory */
  77 extern bool     out_of_mem;     /* ran out of memory in plan a */
  78
  79 #define MAXFILEC 2
  80
  81 extern char     *filearg[MAXFILEC];
  82 extern bool     ok_to_create_file;
  83 extern char     *outname;
  84 extern char     *origprae;
  85
  86 extern char     *TMPOUTNAME;
  87 extern char     *TMPINNAME;
  88 extern char     *TMPREJNAME;
  89 extern char     *TMPPATNAME;
  90 extern bool     toutkeep;
  91 extern bool     trejkeep;
  92
  93 #ifdef DEBUGGING
  94 extern int      debug;
  95 #endif
  96
  97 extern bool     force;
  98 extern bool     batch;
  99 extern bool     verbose;
 100 extern bool     reverse;
 101 extern bool     noreverse;
 102 extern bool     skip_rest_of_patch;
 103 extern int      strippath;
 104 extern bool     canonicalize;
 105 /* TRUE if -C was specified on command line.  */
 106 extern bool     check_only;
 107 extern bool     warn_on_invalid_line;
 108 extern bool     last_line_missing_eol;
 109
 110
 111 #define CONTEXT_DIFF 1
 112 #define NORMAL_DIFF 2
 113 #define ED_DIFF 3
 114 #define NEW_CONTEXT_DIFF 4
 115 #define UNI_DIFF 5
 116
 117 extern int      diff_type;
 118 extern char     *revision;      /* prerequisite revision, if any */
 119 extern LINENUM  input_lines;    /* how long is input file in lines */
 120
 121 extern int      posix;
 122