usr.bin/patch/common.h

   1 /*-
   2  * Copyright 1986, Larry Wall
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following condition is met:
   6  * 1. Redistributions of source code must retain the above copyright notice,
   7  * this condition and the following disclaimer.
   8  *
   9  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY
  10  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  11  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  12  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  13  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  14  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  15  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  16  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  17  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  18  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  19  * SUCH DAMAGE.
  20  *
  21  * patch - a program to apply diffs to original files
  22  *
  23  * -C option added in 1998, original code by Marc Espie, based on FreeBSD
  24  * behaviour
  25  *
  26  * $OpenBSD: common.h,v 1.26 2006/03/11 19:41:30 otto Exp $
  27  * $FreeBSD: head/usr.bin/patch/common.h 246091 2013-01-29 20:05:16Z delphij $
  28  */
  29
  30 #include <sys/types.h>
  31
  32 #include <stdbool.h>
  33 #include <stdint.h>
  34
  35 #define DEBUGGING
  36
  37 /* constants */
  38
  39 #define MAXHUNKSIZE 200000      /* is this enough lines? */
  40 #define INITHUNKMAX 125         /* initial dynamic allocation size */
  41 #define INITLINELEN 4096
  42 #define BUFFERSIZE 4096
  43
  44 #define SCCSPREFIX "s."
  45 #define GET "get -e %s"
  46 #define SCCSDIFF "get -p %s | diff - %s >/dev/null"
  47
  48 #define RCSSUFFIX ",v"
  49
  50 #define ORIGEXT ".orig"
  51 #define REJEXT ".rej"
  52
  53 /* handy definitions */
  54
  55 #define strNE(s1,s2) (strcmp(s1, s2))
  56 #define strEQ(s1,s2) (!strcmp(s1, s2))
  57 #define strnNE(s1,s2,l) (strncmp(s1, s2, l))
  58 #define strnEQ(s1,s2,l) (!strncmp(s1, s2, l))
  59
  60 /* typedefs */
  61
  62 typedef long    LINENUM;        /* must be signed */
  63
  64 /* globals */
  65
  66 extern mode_t   filemode;
  67
  68 extern char     *buf;           /* general purpose buffer */
  69 extern size_t   buf_size;       /* size of 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 bool     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