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  */
   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 <sys/types.h>
  33
  34 #include <stdbool.h>
  35 #include <stdint.h>
  36
  37 #define DEBUGGING
  38
  39 /* constants */
  40
  41 #define MAXHUNKSIZE 100000      /* is this enough lines? */
  42 #define INITHUNKMAX 125         /* initial dynamic allocation size */
  43 #define MAXLINELEN 8192
  44 #define BUFFERSIZE 1024
  45
  46 #define SCCSPREFIX "s."
  47 #define GET "get -e %s"
  48 #define SCCSDIFF "get -p %s | diff - %s >/dev/null"
  49
  50 #define RCSSUFFIX ",v"
  51 #define CHECKOUT "co -l %s"
  52 #define RCSDIFF "rcsdiff %s > /dev/null"
  53
  54 #define ORIGEXT ".orig"
  55 #define REJEXT ".rej"
  56
  57 /* handy definitions */
  58
  59 #define strNE(s1,s2) (strcmp(s1, s2))
  60 #define strEQ(s1,s2) (!strcmp(s1, s2))
  61 #define strnNE(s1,s2,l) (strncmp(s1, s2, l))
  62 #define strnEQ(s1,s2,l) (!strncmp(s1, s2, l))
  63
  64 /* typedefs */
  65
  66 typedef long    LINENUM;        /* must be signed */
  67
  68 /* globals */
  69
  70 extern mode_t   filemode;
  71
  72 extern char     buf[MAXLINELEN];/* general purpose buffer */
  73 extern size_t   buf_len;
  74
  75 extern bool     using_plan_a;   /* try to keep everything in memory */
  76 extern bool     out_of_mem;     /* ran out of memory in plan a */
  77
  78 #define MAXFILEC 2
  79
  80 extern char     *filearg[MAXFILEC];
  81 extern bool     ok_to_create_file;
  82 extern char     *outname;
  83 extern char     *origprae;
  84
  85 extern char     *TMPOUTNAME;
  86 extern char     *TMPINNAME;
  87 extern char     *TMPREJNAME;
  88 extern char     *TMPPATNAME;
  89 extern bool     toutkeep;
  90 extern bool     trejkeep;
  91
  92 #ifdef DEBUGGING
  93 extern int      debug;
  94 #endif
  95
  96 extern bool     force;
  97 extern bool     batch;
  98 extern bool     verbose;
  99 extern bool     reverse;
 100 extern bool     noreverse;
 101 extern bool     skip_rest_of_patch;
 102 extern int      strippath;
 103 extern bool     canonicalize;
 104 /* TRUE if -C was specified on command line.  */
 105 extern bool     check_only;
 106 extern bool     warn_on_invalid_line;
 107 extern bool     last_line_missing_eol;
 108
 109
 110 #define CONTEXT_DIFF 1
 111 #define NORMAL_DIFF 2
 112 #define ED_DIFF 3
 113 #define NEW_CONTEXT_DIFF 4
 114 #define UNI_DIFF 5
 115
 116 extern int      diff_type;
 117 extern char     *revision;      /* prerequisite revision, if any */
 118 extern LINENUM  input_lines;    /* how long is input file in lines */
 119
 120 extern int      posix;
 121