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 1.4 2007/09/29 23:11:10 swildner 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 36 /* 37 * SIZE_MAX: older BSD compatibility for buildworld bootstrap mode only 38 */ 39 #if defined(BOOTSTRAPPING) && !defined(SIZE_MAX) 40 #define SIZE_MAX 0x7fffffff 41 #endif 42 43 #define DEBUGGING 44 45 /* constants */ 46 47 #define MAXHUNKSIZE 100000 /* is this enough lines? */ 48 #define INITHUNKMAX 125 /* initial dynamic allocation size */ 49 #define MAXLINELEN 8192 50 #define BUFFERSIZE 1024 51 52 #define SCCSPREFIX "s." 53 #define GET "get -e %s" 54 #define SCCSDIFF "get -p %s | diff - %s >/dev/null" 55 56 #define RCSSUFFIX ",v" 57 #define CHECKOUT "co -l %s" 58 #define RCSDIFF "rcsdiff %s > /dev/null" 59 60 #define ORIGEXT ".orig" 61 #define REJEXT ".rej" 62 63 /* handy definitions */ 64 65 #define strNE(s1,s2) (strcmp(s1, s2)) 66 #define strEQ(s1,s2) (!strcmp(s1, s2)) 67 #define strnNE(s1,s2,l) (strncmp(s1, s2, l)) 68 #define strnEQ(s1,s2,l) (!strncmp(s1, s2, l)) 69 70 /* typedefs */ 71 72 typedef long LINENUM; /* must be signed */ 73 74 /* globals */ 75 76 extern mode_t filemode; 77 78 extern char buf[MAXLINELEN];/* general purpose buffer */ 79 extern size_t buf_len; 80 81 extern bool using_plan_a; /* try to keep everything in memory */ 82 extern bool out_of_mem; /* ran out of memory in plan a */ 83 84 #define MAXFILEC 2 85 86 extern char *filearg[MAXFILEC]; 87 extern bool ok_to_create_file; 88 extern char *outname; 89 extern char *origprae; 90 91 extern char *TMPOUTNAME; 92 extern char *TMPINNAME; 93 extern char *TMPREJNAME; 94 extern char *TMPPATNAME; 95 extern bool toutkeep; 96 extern bool trejkeep; 97 98 #ifdef DEBUGGING 99 extern int debug; 100 #endif 101 102 extern bool force; 103 extern bool batch; 104 extern bool verbose; 105 extern bool reverse; 106 extern bool noreverse; 107 extern bool skip_rest_of_patch; 108 extern int strippath; 109 extern bool canonicalize; 110 /* TRUE if -C was specified on command line. */ 111 extern bool check_only; 112 extern bool warn_on_invalid_line; 113 extern bool last_line_missing_eol; 114 115 116 #define CONTEXT_DIFF 1 117 #define NORMAL_DIFF 2 118 #define ED_DIFF 3 119 #define NEW_CONTEXT_DIFF 4 120 #define UNI_DIFF 5 121 122 extern int diff_type; 123 extern char *revision; /* prerequisite revision, if any */ 124 extern LINENUM input_lines; /* how long is input file in lines */ 125 126 extern int posix; 127 128