1 /* $OpenBSD: diff.h,v 1.16 2003/07/06 22:02:36 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 /* 35 * Output format options 36 */ 37 #define D_NORMAL 0 /* Normal output */ 38 #define D_EDIT -1 /* Editor script out */ 39 #define D_REVERSE 1 /* Reverse editor script */ 40 #define D_CONTEXT 2 /* Diff with context */ 41 #define D_UNIFIED 3 /* Unified context diff */ 42 #define D_IFDEF 4 /* Diff with merged #ifdef's */ 43 #define D_NREVERSE 5 /* Reverse ed script with numbered 44 lines and no trailing . */ 45 46 /* 47 * Output flags 48 */ 49 #define D_HEADER 1 /* Print a header/footer between files */ 50 #define D_EMPTY1 2 /* Treat first file as empty (/dev/null) */ 51 #define D_EMPTY2 4 /* Treat second file as empty (/dev/null) */ 52 53 struct excludes { 54 char *pattern; 55 struct excludes *next; 56 }; 57 58 extern int aflag, bflag, iflag, Nflag, Pflag, rflag, sflag, tflag, wflag; 59 extern char *start, *ifdefname; 60 extern int format, context, status, anychange; 61 extern char *tempfiles[], *diffargs; 62 extern struct stat stb1, stb2; 63 extern struct excludes *excludes_list; 64 65 char *copytemp(const char *, int); 66 char *splice(char *, char *); 67 void *emalloc(size_t); 68 void *erealloc(void *, size_t); 69 void diffdir(char *, char *); 70 void diffreg(char *, char *, int); 71 void quit(int); 72 __dead void error(const char *, ...); 73 __dead void errorx(const char *, ...); 74