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 1.2 2004/10/11 21:36:48 dillon 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 78 extern bool using_plan_a; /* try to keep everything in memory */ 79 extern bool out_of_mem; /* ran out of memory in plan a */ 80 81 #define MAXFILEC 2 82 83 extern char *filearg[MAXFILEC]; 84 extern bool ok_to_create_file; 85 extern char *outname; 86 extern char *origprae; 87 88 extern char *TMPOUTNAME; 89 extern char *TMPINNAME; 90 extern char *TMPREJNAME; 91 extern char *TMPPATNAME; 92 extern bool toutkeep; 93 extern bool trejkeep; 94 95 #ifdef DEBUGGING 96 extern int debug; 97 #endif 98 99 extern bool force; 100 extern bool batch; 101 extern bool verbose; 102 extern bool reverse; 103 extern bool noreverse; 104 extern bool skip_rest_of_patch; 105 extern int strippath; 106 extern bool canonicalize; 107 /* TRUE if -C was specified on command line. */ 108 extern bool check_only; 109 extern bool warn_on_invalid_line; 110 extern bool last_line_missing_eol; 111 112 113 #define CONTEXT_DIFF 1 114 #define NORMAL_DIFF 2 115 #define ED_DIFF 3 116 #define NEW_CONTEXT_DIFF 4 117 #define UNI_DIFF 5 118 119 extern int diff_type; 120 extern char *revision; /* prerequisite revision, if any */ 121 extern LINENUM input_lines; /* how long is input file in lines */ 122 123 extern int posix; 124 125