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 1.1 2004/09/24 18:44:28 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 <stdbool.h> 33 34 #define DEBUGGING 35 36 /* constants */ 37 38 #define MAXHUNKSIZE 100000 /* is this enough lines? */ 39 #define INITHUNKMAX 125 /* initial dynamic allocation size */ 40 #define MAXLINELEN 8192 41 #define BUFFERSIZE 1024 42 43 #define SCCSPREFIX "s." 44 #define GET "get -e %s" 45 #define SCCSDIFF "get -p %s | diff - %s >/dev/null" 46 47 #define RCSSUFFIX ",v" 48 #define CHECKOUT "co -l %s" 49 #define RCSDIFF "rcsdiff %s > /dev/null" 50 51 #define ORIGEXT ".orig" 52 #define REJEXT ".rej" 53 54 /* handy definitions */ 55 56 #define strNE(s1,s2) (strcmp(s1, s2)) 57 #define strEQ(s1,s2) (!strcmp(s1, s2)) 58 #define strnNE(s1,s2,l) (strncmp(s1, s2, l)) 59 #define strnEQ(s1,s2,l) (!strncmp(s1, s2, l)) 60 61 /* typedefs */ 62 63 typedef long LINENUM; /* must be signed */ 64 65 /* globals */ 66 67 extern int filemode; 68 69 extern char buf[MAXLINELEN];/* 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; 117 118