1 /* $OpenBSD: diff.h,v 1.29 2004/12/09 18:56:10 millert 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 <sys/types.h> 35 #include <regex.h> 36 37 /* 38 * Output format options 39 */ 40 #define D_NORMAL 0 /* Normal output */ 41 #define D_EDIT -1 /* Editor script out */ 42 #define D_REVERSE 1 /* Reverse editor script */ 43 #define D_CONTEXT 2 /* Diff with context */ 44 #define D_UNIFIED 3 /* Unified context diff */ 45 #define D_IFDEF 4 /* Diff with merged #ifdef's */ 46 #define D_NREVERSE 5 /* Reverse ed script with numbered 47 lines and no trailing . */ 48 #define D_BRIEF 6 /* Say if the files differ */ 49 50 /* 51 * Output flags 52 */ 53 #define D_HEADER 1 /* Print a header/footer between files */ 54 #define D_EMPTY1 2 /* Treat first file as empty (/dev/null) */ 55 #define D_EMPTY2 4 /* Treat second file as empty (/dev/null) */ 56 57 /* 58 * Status values for print_status() and diffreg() return values 59 */ 60 #define D_SAME 0 /* Files are the same */ 61 #define D_DIFFER 1 /* Files are different */ 62 #define D_BINARY 2 /* Binary files are different */ 63 #define D_COMMON 3 /* Subdirectory common to both dirs */ 64 #define D_ONLY 4 /* Only exists in one directory */ 65 #define D_MISMATCH1 5 /* path1 was a dir, path2 a file */ 66 #define D_MISMATCH2 6 /* path1 was a file, path2 a dir */ 67 #define D_ERROR 7 /* An error occurred */ 68 #define D_SKIPPED1 8 /* path1 was a special file */ 69 #define D_SKIPPED2 9 /* path2 was a special file */ 70 71 struct excludes { 72 char *pattern; 73 struct excludes *next; 74 }; 75 76 extern int aflag, bflag, dflag, iflag, lflag, Nflag, Pflag, pflag, rflag, 77 sflag, tflag, Tflag, wflag; 78 extern int format, context, status; 79 extern char *start, *ifdefname, *diffargs, *label[2], *ignore_pats; 80 extern struct stat stb1, stb2; 81 extern struct excludes *excludes_list; 82 extern regex_t ignore_re; 83 84 char *splice(char *, char *); 85 int diffreg(char *, char *, int); 86 int easprintf(char **, const char *, ...); 87 void *emalloc(size_t); 88 void *erealloc(void *, size_t); 89 void diffdir(char *, char *); 90 void print_only(const char *, size_t, const char *); 91 void print_status(int, char *, char *, char *); 92