1*d8634badSDavid van Moolenbroek /* $OpenBSD: diff.h,v 1.32 2009/06/07 08:39:13 ray Exp $ */ 2*d8634badSDavid van Moolenbroek 3*d8634badSDavid van Moolenbroek /*- 4*d8634badSDavid van Moolenbroek * Copyright (c) 1991, 1993 5*d8634badSDavid van Moolenbroek * The Regents of the University of California. All rights reserved. 6*d8634badSDavid van Moolenbroek * 7*d8634badSDavid van Moolenbroek * Redistribution and use in source and binary forms, with or without 8*d8634badSDavid van Moolenbroek * modification, are permitted provided that the following conditions 9*d8634badSDavid van Moolenbroek * are met: 10*d8634badSDavid van Moolenbroek * 1. Redistributions of source code must retain the above copyright 11*d8634badSDavid van Moolenbroek * notice, this list of conditions and the following disclaimer. 12*d8634badSDavid van Moolenbroek * 2. Redistributions in binary form must reproduce the above copyright 13*d8634badSDavid van Moolenbroek * notice, this list of conditions and the following disclaimer in the 14*d8634badSDavid van Moolenbroek * documentation and/or other materials provided with the distribution. 15*d8634badSDavid van Moolenbroek * 3. Neither the name of the University nor the names of its contributors 16*d8634badSDavid van Moolenbroek * may be used to endorse or promote products derived from this software 17*d8634badSDavid van Moolenbroek * without specific prior written permission. 18*d8634badSDavid van Moolenbroek * 19*d8634badSDavid van Moolenbroek * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20*d8634badSDavid van Moolenbroek * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21*d8634badSDavid van Moolenbroek * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22*d8634badSDavid van Moolenbroek * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23*d8634badSDavid van Moolenbroek * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24*d8634badSDavid van Moolenbroek * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25*d8634badSDavid van Moolenbroek * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26*d8634badSDavid van Moolenbroek * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27*d8634badSDavid van Moolenbroek * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28*d8634badSDavid van Moolenbroek * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29*d8634badSDavid van Moolenbroek * SUCH DAMAGE. 30*d8634badSDavid van Moolenbroek * 31*d8634badSDavid van Moolenbroek * @(#)diff.h 8.1 (Berkeley) 6/6/93 32*d8634badSDavid van Moolenbroek */ 33*d8634badSDavid van Moolenbroek 34*d8634badSDavid van Moolenbroek #include <minix/config.h> 35*d8634badSDavid van Moolenbroek #include <sys/types.h> 36*d8634badSDavid van Moolenbroek #include <regex.h> 37*d8634badSDavid van Moolenbroek 38*d8634badSDavid van Moolenbroek #include <minix/const.h> 39*d8634badSDavid van Moolenbroek 40*d8634badSDavid van Moolenbroek /* 41*d8634badSDavid van Moolenbroek * Output format options 42*d8634badSDavid van Moolenbroek */ 43*d8634badSDavid van Moolenbroek #define D_NORMAL 0 /* Normal output */ 44*d8634badSDavid van Moolenbroek #define D_EDIT -1 /* Editor script out */ 45*d8634badSDavid van Moolenbroek #define D_REVERSE 1 /* Reverse editor script */ 46*d8634badSDavid van Moolenbroek #define D_CONTEXT 2 /* Diff with context */ 47*d8634badSDavid van Moolenbroek #define D_UNIFIED 3 /* Unified context diff */ 48*d8634badSDavid van Moolenbroek #define D_IFDEF 4 /* Diff with merged #ifdef's */ 49*d8634badSDavid van Moolenbroek #define D_NREVERSE 5 /* Reverse ed script with numbered 50*d8634badSDavid van Moolenbroek lines and no trailing . */ 51*d8634badSDavid van Moolenbroek #define D_BRIEF 6 /* Say if the files differ */ 52*d8634badSDavid van Moolenbroek 53*d8634badSDavid van Moolenbroek /* 54*d8634badSDavid van Moolenbroek * Output flags 55*d8634badSDavid van Moolenbroek */ 56*d8634badSDavid van Moolenbroek #define D_HEADER 0x001 /* Print a header/footer between files */ 57*d8634badSDavid van Moolenbroek #define D_EMPTY1 0x002 /* Treat first file as empty (/dev/null) */ 58*d8634badSDavid van Moolenbroek #define D_EMPTY2 0x004 /* Treat second file as empty (/dev/null) */ 59*d8634badSDavid van Moolenbroek 60*d8634badSDavid van Moolenbroek /* 61*d8634badSDavid van Moolenbroek * Command line flags 62*d8634badSDavid van Moolenbroek */ 63*d8634badSDavid van Moolenbroek #define D_FORCEASCII 0x008 /* Treat file as ascii regardless of content */ 64*d8634badSDavid van Moolenbroek #define D_FOLDBLANKS 0x010 /* Treat all white space as equal */ 65*d8634badSDavid van Moolenbroek #define D_MINIMAL 0x020 /* Make diff as small as possible */ 66*d8634badSDavid van Moolenbroek #define D_IGNORECASE 0x040 /* Case-insensitive matching */ 67*d8634badSDavid van Moolenbroek #define D_PROTOTYPE 0x080 /* Display C function prototype */ 68*d8634badSDavid van Moolenbroek #define D_EXPANDTABS 0x100 /* Expand tabs to spaces */ 69*d8634badSDavid van Moolenbroek #define D_IGNOREBLANKS 0x200 /* Ignore white space changes */ 70*d8634badSDavid van Moolenbroek 71*d8634badSDavid van Moolenbroek /* 72*d8634badSDavid van Moolenbroek * Status values for print_status() and diffreg() return values 73*d8634badSDavid van Moolenbroek */ 74*d8634badSDavid van Moolenbroek #define D_SAME 0 /* Files are the same */ 75*d8634badSDavid van Moolenbroek #define D_DIFFER 1 /* Files are different */ 76*d8634badSDavid van Moolenbroek #define D_BINARY 2 /* Binary files are different */ 77*d8634badSDavid van Moolenbroek #define D_COMMON 3 /* Subdirectory common to both dirs */ 78*d8634badSDavid van Moolenbroek #define D_ONLY 4 /* Only exists in one directory */ 79*d8634badSDavid van Moolenbroek #define D_MISMATCH1 5 /* path1 was a dir, path2 a file */ 80*d8634badSDavid van Moolenbroek #define D_MISMATCH2 6 /* path1 was a file, path2 a dir */ 81*d8634badSDavid van Moolenbroek #define D_ERROR 7 /* An error occurred */ 82*d8634badSDavid van Moolenbroek #define D_SKIPPED1 8 /* path1 was a special file */ 83*d8634badSDavid van Moolenbroek #define D_SKIPPED2 9 /* path2 was a special file */ 84*d8634badSDavid van Moolenbroek 85*d8634badSDavid van Moolenbroek struct excludes { 86*d8634badSDavid van Moolenbroek char *pattern; 87*d8634badSDavid van Moolenbroek struct excludes *next; 88*d8634badSDavid van Moolenbroek }; 89*d8634badSDavid van Moolenbroek 90*d8634badSDavid van Moolenbroek extern int lflag, Nflag, Pflag, rflag, sflag, Tflag; 91*d8634badSDavid van Moolenbroek extern int diff_format, diff_context, status; 92*d8634badSDavid van Moolenbroek extern char *start, *ifdefname, *diffargs, *label[2], *ignore_pats; 93*d8634badSDavid van Moolenbroek extern struct stat stb1, stb2; 94*d8634badSDavid van Moolenbroek extern struct excludes *excludes_list; 95*d8634badSDavid van Moolenbroek extern regex_t ignore_re; 96*d8634badSDavid van Moolenbroek 97*d8634badSDavid van Moolenbroek char *splice(char *, char *); 98*d8634badSDavid van Moolenbroek int diffreg(char *, char *, int); 99*d8634badSDavid van Moolenbroek int easprintf(char **, const char *, ...); 100*d8634badSDavid van Moolenbroek void *emalloc(size_t); 101*d8634badSDavid van Moolenbroek void *erealloc(void *, size_t); 102*d8634badSDavid van Moolenbroek void diffdir(char *, char *, int); 103*d8634badSDavid van Moolenbroek void print_only(const char *, size_t, const char *); 104*d8634badSDavid van Moolenbroek void print_status(int, char *, char *, char *); 105