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; 121 122