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; 117 118