1 /* $OpenBSD: common.h,v 1.26 2006/03/11 19:41:30 otto 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 <stdbool.h> 32 33 #define DEBUGGING 34 35 /* constants */ 36 37 #define MAXHUNKSIZE 100000 /* is this enough lines? */ 38 #define INITHUNKMAX 125 /* initial dynamic allocation size */ 39 #define MAXLINELEN 8192 40 #define BUFFERSIZE 1024 41 42 #define SCCSPREFIX "s." 43 #define GET "get -e %s" 44 #define SCCSDIFF "get -p %s | diff - %s >/dev/null" 45 46 #define RCSSUFFIX ",v" 47 #define CHECKOUT "co -l %s" 48 #define RCSDIFF "rcsdiff %s > /dev/null" 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[MAXLINELEN];/* general purpose buffer */ 69 70 extern bool using_plan_a; /* try to keep everything in memory */ 71 extern bool out_of_mem; /* ran out of memory in plan a */ 72 73 #define MAXFILEC 2 74 75 extern char *filearg[MAXFILEC]; 76 extern bool ok_to_create_file; 77 extern char *outname; 78 extern char *origprae; 79 80 extern char *TMPOUTNAME; 81 extern char *TMPINNAME; 82 extern char *TMPREJNAME; 83 extern char *TMPPATNAME; 84 extern bool toutkeep; 85 extern bool trejkeep; 86 87 #ifdef DEBUGGING 88 extern int debug; 89 #endif 90 91 extern bool force; 92 extern bool batch; 93 extern bool verbose; 94 extern bool reverse; 95 extern bool noreverse; 96 extern bool skip_rest_of_patch; 97 extern int strippath; 98 extern bool canonicalize; 99 /* TRUE if -C was specified on command line. */ 100 extern bool check_only; 101 extern bool warn_on_invalid_line; 102 extern bool last_line_missing_eol; 103 104 105 #define CONTEXT_DIFF 1 106 #define NORMAL_DIFF 2 107 #define ED_DIFF 3 108 #define NEW_CONTEXT_DIFF 4 109 #define UNI_DIFF 5 110 111 extern int diff_type; 112 extern char *revision; /* prerequisite revision, if any */ 113 extern LINENUM input_lines; /* how long is input file in lines */ 114 115 extern int posix; 116 117