odsyntax.c revision 1.10
1 /* $NetBSD: odsyntax.c,v 1.10 1998/12/19 16:43:39 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1990, 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 #if 0 39 static char sccsid[] = "@(#)odsyntax.c 8.2 (Berkeley) 5/4/95"; 40 #else 41 __RCSID("$NetBSD: odsyntax.c,v 1.10 1998/12/19 16:43:39 christos Exp $"); 42 #endif 43 #endif /* not lint */ 44 45 #include <sys/types.h> 46 47 #include <ctype.h> 48 #include <err.h> 49 #include <stdio.h> 50 #include <stdlib.h> 51 #include <unistd.h> 52 53 #include "hexdump.h" 54 55 int deprecated; 56 57 static void odoffset __P((int, char ***)); 58 static void odprecede __P((void)); 59 60 void 61 oldsyntax(argc, argvp) 62 int argc; 63 char ***argvp; 64 { 65 int ch; 66 char **argv; 67 68 deprecated = 1; 69 argv = *argvp; 70 while ((ch = getopt(argc, argv, "aBbcDdeFfHhIiLlOoPpswvXx")) != -1) 71 switch (ch) { 72 case 'a': 73 odprecede(); 74 add("16/1 \"%3_u \" \"\\n\""); 75 break; 76 case 'B': 77 case 'o': 78 odprecede(); 79 add("8/2 \" %06o \" \"\\n\""); 80 break; 81 case 'b': 82 odprecede(); 83 add("16/1 \"%03o \" \"\\n\""); 84 break; 85 case 'c': 86 odprecede(); 87 add("16/1 \"%3_c \" \"\\n\""); 88 break; 89 case 'd': 90 odprecede(); 91 add("8/2 \" %05u \" \"\\n\""); 92 break; 93 case 'D': 94 odprecede(); 95 add("4/4 \" %010u \" \"\\n\""); 96 break; 97 case 'e': /* undocumented in od */ 98 case 'F': 99 odprecede(); 100 add("2/8 \" %21.14e \" \"\\n\""); 101 break; 102 103 case 'f': 104 odprecede(); 105 add("4/4 \" %14.7e \" \"\\n\""); 106 break; 107 case 'H': 108 case 'X': 109 odprecede(); 110 add("4/4 \" %08x \" \"\\n\""); 111 break; 112 case 'h': 113 case 'x': 114 odprecede(); 115 add("8/2 \" %04x \" \"\\n\""); 116 break; 117 case 'I': 118 case 'L': 119 case 'l': 120 odprecede(); 121 add("4/4 \" %11d \" \"\\n\""); 122 break; 123 case 'i': 124 odprecede(); 125 add("8/2 \" %6d \" \"\\n\""); 126 break; 127 case 'O': 128 odprecede(); 129 add("4/4 \" %011o \" \"\\n\""); 130 break; 131 case 'v': 132 vflag = ALL; 133 break; 134 case 'P': 135 case 'p': 136 case 's': 137 case 'w': 138 case '?': 139 default: 140 warnx("od(1) has been deprecated for hexdump(1)."); 141 if (ch != '?') 142 warnx( 143 "hexdump(1) compatibility doesn't support the -%c option%s\n", 144 ch, ch == 's' ? "; see strings(1)." : "."); 145 usage(); 146 } 147 148 if (!fshead) { 149 add("\"%07.7_Ao\n\""); 150 add("\"%07.7_ao \" 8/2 \"%06o \" \"\\n\""); 151 } 152 153 argc -= optind; 154 *argvp += optind; 155 156 if (argc) 157 odoffset(argc, argvp); 158 } 159 160 static void 161 odoffset(argc, argvp) 162 int argc; 163 char ***argvp; 164 { 165 char *num, *p; 166 int base; 167 char *end; 168 169 /* 170 * The offset syntax of od(1) was genuinely bizarre. First, if 171 * it started with a plus it had to be an offset. Otherwise, if 172 * there were at least two arguments, a number or lower-case 'x' 173 * followed by a number makes it an offset. By default it was 174 * octal; if it started with 'x' or '0x' it was hex. If it ended 175 * in a '.', it was decimal. If a 'b' or 'B' was appended, it 176 * multiplied the number by 512 or 1024 byte units. There was 177 * no way to assign a block count to a hex offset. 178 * 179 * We assume it's a file if the offset is bad. 180 */ 181 p = argc == 1 ? (*argvp)[0] : (*argvp)[1]; 182 if (!p) 183 return; 184 185 if (*p != '+' && (argc < 2 || 186 (!isdigit((unsigned char)p[0]) && 187 (p[0] != 'x' || !isxdigit((unsigned char)p[1]))))) 188 return; 189 190 base = 0; 191 /* 192 * skip over leading '+', 'x[0-9a-fA-f]' or '0x', and 193 * set base. 194 */ 195 if (p[0] == '+') 196 ++p; 197 if (p[0] == 'x' && isxdigit((unsigned char)p[1])) { 198 ++p; 199 base = 16; 200 } else if (p[0] == '0' && p[1] == 'x') { 201 p += 2; 202 base = 16; 203 } 204 205 /* skip over the number */ 206 if (base == 16) 207 for (num = p; isxdigit((unsigned char)*p); ++p); 208 else 209 for (num = p; isdigit((unsigned char)*p); ++p); 210 211 /* check for no number */ 212 if (num == p) 213 return; 214 215 /* if terminates with a '.', base is decimal */ 216 if (*p == '.') { 217 if (base) 218 return; 219 base = 10; 220 } 221 222 skip = strtol(num, &end, base ? base : 8); 223 224 /* if end isn't the same as p, we got a non-octal digit */ 225 if (end != p) { 226 skip = 0; 227 return; 228 } 229 230 if (*p) { 231 if (*p == 'B') { 232 skip *= 1024; 233 ++p; 234 } else if (*p == 'b') { 235 skip *= 512; 236 ++p; 237 } 238 } 239 if (*p) { 240 skip = 0; 241 return; 242 } 243 /* 244 * If the offset uses a non-octal base, the base of the offset 245 * is changed as well. This isn't pretty, but it's easy. 246 */ 247 #define TYPE_OFFSET 7 248 if (base == 16) { 249 fshead->nextfu->fmt[TYPE_OFFSET] = 'x'; 250 fshead->nextfs->nextfu->fmt[TYPE_OFFSET] = 'x'; 251 } else if (base == 10) { 252 fshead->nextfu->fmt[TYPE_OFFSET] = 'd'; 253 fshead->nextfs->nextfu->fmt[TYPE_OFFSET] = 'd'; 254 } 255 256 /* Terminate file list. */ 257 (*argvp)[1] = NULL; 258 } 259 260 static void 261 odprecede() 262 { 263 static int first = 1; 264 265 if (first) { 266 first = 0; 267 add("\"%07.7_Ao\n\""); 268 add("\"%07.7_ao \""); 269 } else 270 add("\" \""); 271 } 272
Indexes created Mon Sep 22 05:09:51 GMT 2025