1 /* $FreeBSD$ */ 2 /* $OpenBSD: diff.h,v 1.29 2004/12/09 18:56:10 millert Exp $ */ 3 4 /*- 5 * Copyright (c) 1991, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)diff.h 8.1 (Berkeley) 6/6/93 33 */ 34 35 #include <sys/types.h> 36 37 #include <regex.h> 38 39 /* 40 * Output format options 41 */ 42 #define D_NORMAL 0 /* Normal output */ 43 #define D_EDIT -1 /* Editor script out */ 44 #define D_REVERSE 1 /* Reverse editor script */ 45 #define D_CONTEXT 2 /* Diff with context */ 46 #define D_UNIFIED 3 /* Unified context diff */ 47 #define D_IFDEF 4 /* Diff with merged #ifdef's */ 48 #define D_NREVERSE 5 /* Reverse ed script with numbered 49 lines and no trailing . */ 50 #define D_BRIEF 6 /* Say if the files differ */ 51 #define D_GF 7 /* Group format */ 52 #define D_LF 8 /* Line format */ 53 54 /* 55 * Output flags 56 */ 57 #define D_HEADER 1 /* Print a header/footer between files */ 58 #define D_EMPTY1 2 /* Treat first file as empty (/dev/null) */ 59 #define D_EMPTY2 4 /* Treat second file as empty (/dev/null) */ 60 61 /* 62 * Status values for print_status() and diffreg() return values 63 */ 64 #define D_SAME 0 /* Files are the same */ 65 #define D_DIFFER 1 /* Files are different */ 66 #define D_BINARY 2 /* Binary files are different */ 67 #define D_COMMON 3 /* Subdirectory common to both dirs */ 68 #define D_ONLY 4 /* Only exists in one directory */ 69 #define D_MISMATCH1 5 /* path1 was a dir, path2 a file */ 70 #define D_MISMATCH2 6 /* path1 was a file, path2 a dir */ 71 #define D_ERROR 7 /* An error occurred */ 72 #define D_SKIPPED1 8 /* path1 was a special file */ 73 #define D_SKIPPED2 9 /* path2 was a special file */ 74 75 struct excludes { 76 char *pattern; 77 struct excludes *next; 78 }; 79 80 extern int aflag, bflag, cflag, dflag, Eflag, Fromflag, iflag, lflag, Nflag, Pflag, pflag, rflag, 81 sflag, tflag, Tflag, Toflag, wflag; 82 extern int Bflag, strip_cr, suppress_cl, tabsize; 83 extern int format, context, status; 84 extern char ignore_file_case; 85 extern char *start, *ifdefname, *diffargs, *label[2], *ignore_pats; 86 extern struct stat stb1, stb2; 87 extern struct excludes *excludes_list; 88 extern regex_t ignore_re; 89 90 char *splice(char *, char *); 91 int diffreg(char *, char *, int); 92 int easprintf(char **, const char *, ...); 93 void *emalloc(size_t); 94 void *erealloc(void *, size_t); 95 void diffdir(char *, char *); 96 void print_only(const char *, size_t, const char *); 97 void print_status(int, char *, char *, char *); 98