1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2001 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 28 /* All Rights Reserved */ 29 30 /* 31 * University Copyright- Copyright (c) 1982, 1986, 1988 32 * The Regents of the University of California 33 * All Rights Reserved 34 * 35 * University Acknowledgment- Portions of this document are derived from 36 * software developed by the University of California, Berkeley, and its 37 * contributors. 38 */ 39 40 #ifndef _DIFF_H 41 #define _DIFF_H 42 43 #pragma ident "%Z%%M% %I% %E% SMI" 44 45 46 #ifdef __cplusplus 47 extern "C" { 48 #endif 49 50 /* 51 * Output format options 52 */ 53 54 int opt; 55 56 #define D_NORMAL 0 /* Normal output */ 57 #define D_EDIT -1 /* Editor script out */ 58 #define D_REVERSE 1 /* Reverse editor script */ 59 #define D_CONTEXT 2 /* Diff with context */ 60 #define D_IFDEF 3 /* Diff with merged #ifdef's */ 61 #define D_NREVERSE 4 /* Reverse ed script with numbered */ 62 /* lines and no trailing . */ 63 64 /* 65 * Constant declarations 66 */ 67 #define HALFMASK 0xf 68 69 #define prints(s) fputs(s, stdout) 70 71 #define MAX_CONTEXT 128 72 73 /* 74 * diff - directory comparison 75 */ 76 #define d_flags d_ino 77 78 #define ONLY 1 /* Only in this directory */ 79 #define SAME 2 /* Both places and same */ 80 #define DIFFER 4 /* Both places and different */ 81 #define DIRECT 8 /* Directory */ 82 83 struct dir { 84 ulong_t d_ino; 85 int16_t d_reclen; 86 int16_t d_namlen; 87 char *d_entry; 88 }; 89 90 91 /* 92 * type definitions 93 */ 94 95 struct cand { 96 int x; 97 int y; 98 int pred; 99 } cand; 100 101 struct line { 102 int serial; 103 int value; 104 } *file[2], line; 105 106 /* 107 * The following struct is used to record change information when 108 * doing a "context" diff. (see routine "change" to understand the 109 * highly mneumonic field names) 110 */ 111 struct context_vec { 112 int a; /* start line in old file */ 113 int b; /* end line in old file */ 114 int c; /* start line in new file */ 115 int d; /* end line in new file */ 116 }; 117 118 119 /* 120 * Algorithm related options 121 */ 122 int bflag = 0; 123 int tflag = 0; 124 int wflag = 0; 125 int iflag = 0; 126 int rflag = 0; 127 int lflag = 0; 128 int sflag = 0; 129 int hflag = 0; 130 int uflag = 0; 131 132 /* 133 * Variables for D_IFDEF option. 134 */ 135 int wantelses = 0; /* used with D_IFDEF */ 136 char *ifdef1, *ifdef2; /* hold the ifdef strings */ 137 char *endifname; 138 int inifdef = 0; 139 140 /* 141 * Variables for -C (-c) context option. 142 */ 143 int context = 0; /* number of lines specfied with the C flag */ 144 145 char *empty = ""; /* the empty string */ 146 147 char **diffargv; /* keep track of argv for diffdir */ 148 149 char start[256]; /* specify where to start, used with -S */ 150 151 FILE *input[2]; /* two input files */ 152 int len[2]; 153 struct line *sfile[2]; /* shortened by pruning common prefix and suffix */ 154 int slen[2]; 155 156 struct stat stb1; 157 158 /* 159 * Input file names. 160 * With diffdir, file1 and file2 are allocated BUFSIZ space, 161 * and padded with a '/', and then efile0 and efile1 point after 162 * the '/'. 163 */ 164 char *file1, *file2, *efile1, *efile2; 165 struct stat stb1, stb2; 166 167 /* 168 * input_file1 and input_file2 are to display 169 * the filenames in the output 170 */ 171 char *input_file1, *input_file2; 172 173 char pr[] = "/usr/bin/pr"; 174 char diff[] = "/usr/bin/diff"; 175 char diffh[] = "/usr/lib/diffh"; 176 int status = 2; 177 int anychange = 0; 178 179 struct context_vec *context_vec_start, 180 *context_vec_end, 181 *context_vec_ptr; 182 183 char tempfile[2][16]; /* used when comparing against std input */ 184 /* or char special devices */ 185 int whichtemp; 186 187 #ifdef __cplusplus 188 } 189 #endif 190 191 #endif /* _DIFF_H */ 192