1 /* $OpenBSD: common.h,v 1.30 2019/12/02 22:17:32 jca Exp $ */ 2 3 /* 4 * patch - a program to apply diffs to original files 5 * 6 * Copyright 1986, Larry Wall 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following condition is met: 10 * 1. Redistributions of source code must retain the above copyright notice, 11 * this condition and the following disclaimer. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 16 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 17 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 * 25 * -C option added in 1998, original code by Marc Espie, based on FreeBSD 26 * behaviour 27 */ 28 29 #include <sys/types.h> 30 31 #include <limits.h> 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 INITLINELEN 8192 41 #define BUFFERSIZE 1024 42 #define LINENUM_MAX LONG_MAX 43 44 #define ORIGEXT ".orig" 45 #define REJEXT ".rej" 46 47 /* handy definitions */ 48 49 #define strNE(s1,s2) (strcmp(s1, s2)) 50 #define strEQ(s1,s2) (!strcmp(s1, s2)) 51 #define strnNE(s1,s2,l) (strncmp(s1, s2, l)) 52 #define strnEQ(s1,s2,l) (!strncmp(s1, s2, l)) 53 54 /* typedefs */ 55 56 typedef long LINENUM; /* must be signed */ 57 58 /* globals */ 59 60 extern mode_t filemode; 61 62 extern char *buf; /* general purpose buffer */ 63 extern size_t bufsz; /* general purpose buffer size */ 64 65 extern bool using_plan_a; /* try to keep everything in memory */ 66 extern bool out_of_mem; /* ran out of memory in plan a */ 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