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 */ 28 29 #include <sys/types.h> 30 31 #include <stdbool.h> 32 #include <stdint.h> 33 34 #define DEBUGGING 35 36 /* constants */ 37 38 #define MAXHUNKSIZE 200000 /* is this enough lines? */ 39 #define INITHUNKMAX 125 /* initial dynamic allocation size */ 40 #define INITLINELEN 4096 41 #define BUFFERSIZE 4096 42 #define LINENUM_MAX LONG_MAX 43 44 #define ORIGEXT ".orig" 45 #define REJEXT ".rej" 46 47 /* handy definitions */ 48 49 #define strEQ(s1,s2) (strcmp(s1, s2) == 0) 50 #define strnNE(s1,s2,l) (strncmp(s1, s2, l) != 0) 51 #define strnEQ(s1,s2,l) (strncmp(s1, s2, l) == 0) 52 53 /* typedefs */ 54 55 typedef long LINENUM; /* must be signed */ 56 57 /* globals */ 58 59 extern mode_t filemode; 60 61 extern char *buf; /* general purpose buffer */ 62 extern size_t buf_size; /* size of general purpose buffer */ 63 64 extern bool using_plan_a; /* try to keep everything in memory */ 65 extern bool out_of_mem; /* ran out of memory in plan a */ 66 extern bool nonempty_patchf_seen; /* seen a non-zero-length patch file? */ 67 68 #define MAXFILEC 2 69 70 extern char *filearg[MAXFILEC]; 71 extern bool ok_to_create_file; 72 extern char *outname; 73 extern char *origprae; 74 75 extern char *TMPOUTNAME; 76 extern char *TMPINNAME; 77 extern char *TMPREJNAME; 78 extern char *TMPPATNAME; 79 extern bool toutkeep; 80 extern bool trejkeep; 81 82 #ifdef DEBUGGING 83 extern int debug; 84 #endif 85 86 extern bool force; 87 extern bool batch; 88 extern bool verbose; 89 extern bool reverse; 90 extern bool noreverse; 91 extern bool skip_rest_of_patch; 92 extern int strippath; 93 extern bool canonicalize; 94 /* TRUE if -C was specified on command line. */ 95 extern bool check_only; 96 extern bool warn_on_invalid_line; 97 extern bool last_line_missing_eol; 98 99 100 #define CONTEXT_DIFF 1 101 #define NORMAL_DIFF 2 102 #define ED_DIFF 3 103 #define NEW_CONTEXT_DIFF 4 104 #define UNI_DIFF 5 105 106 extern int diff_type; 107 extern char *revision; /* prerequisite revision, if any */ 108 extern LINENUM input_lines; /* how long is input file in lines */ 109 110 extern int posix; 111 112