1 /* $OpenBSD: diff.h,v 1.32 2009/06/07 08:39:13 ray Exp $ */ 2 3 /*- 4 * Copyright (c) 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)diff.h 8.1 (Berkeley) 6/6/93 32 */ 33 34 #include <minix/config.h> 35 #include <sys/types.h> 36 #include <regex.h> 37 38 #include <minix/const.h> 39 40 /* 41 * Output format options 42 */ 43 #define D_NORMAL 0 /* Normal output */ 44 #define D_EDIT -1 /* Editor script out */ 45 #define D_REVERSE 1 /* Reverse editor script */ 46 #define D_CONTEXT 2 /* Diff with context */ 47 #define D_UNIFIED 3 /* Unified context diff */ 48 #define D_IFDEF 4 /* Diff with merged #ifdef's */ 49 #define D_NREVERSE 5 /* Reverse ed script with numbered 50 lines and no trailing . */ 51 #define D_BRIEF 6 /* Say if the files differ */ 52 53 /* 54 * Output flags 55 */ 56 #define D_HEADER 0x001 /* Print a header/footer between files */ 57 #define D_EMPTY1 0x002 /* Treat first file as empty (/dev/null) */ 58 #define D_EMPTY2 0x004 /* Treat second file as empty (/dev/null) */ 59 60 /* 61 * Command line flags 62 */ 63 #define D_FORCEASCII 0x008 /* Treat file as ascii regardless of content */ 64 #define D_FOLDBLANKS 0x010 /* Treat all white space as equal */ 65 #define D_MINIMAL 0x020 /* Make diff as small as possible */ 66 #define D_IGNORECASE 0x040 /* Case-insensitive matching */ 67 #define D_PROTOTYPE 0x080 /* Display C function prototype */ 68 #define D_EXPANDTABS 0x100 /* Expand tabs to spaces */ 69 #define D_IGNOREBLANKS 0x200 /* Ignore white space changes */ 70 71 /* 72 * Status values for print_status() and diffreg() return values 73 */ 74 #define D_SAME 0 /* Files are the same */ 75 #define D_DIFFER 1 /* Files are different */ 76 #define D_BINARY 2 /* Binary files are different */ 77 #define D_COMMON 3 /* Subdirectory common to both dirs */ 78 #define D_ONLY 4 /* Only exists in one directory */ 79 #define D_MISMATCH1 5 /* path1 was a dir, path2 a file */ 80 #define D_MISMATCH2 6 /* path1 was a file, path2 a dir */ 81 #define D_ERROR 7 /* An error occurred */ 82 #define D_SKIPPED1 8 /* path1 was a special file */ 83 #define D_SKIPPED2 9 /* path2 was a special file */ 84 85 struct excludes { 86 char *pattern; 87 struct excludes *next; 88 }; 89 90 extern int lflag, Nflag, Pflag, rflag, sflag, Tflag; 91 extern int diff_format, diff_context, status; 92 extern char *start, *ifdefname, *diffargs, *label[2], *ignore_pats; 93 extern struct stat stb1, stb2; 94 extern struct excludes *excludes_list; 95 extern regex_t ignore_re; 96 97 char *splice(char *, char *); 98 int diffreg(char *, char *, int); 99 int easprintf(char **, const char *, ...); 100 void *emalloc(size_t); 101 void *erealloc(void *, size_t); 102 void diffdir(char *, char *, int); 103 void print_only(const char *, size_t, const char *); 104 void print_status(int, char *, char *, char *); 105