odsyntax.c revision 1.5
1 /* $NetBSD: odsyntax.c,v 1.5 1997/01/09 20:19:58 tls Exp $ */ 2 3 /*- 4 * Copyright (c) 1990 The Regents of the University of California. 5 * 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 #ifndef lint 37 /*static char sccsid[] = "from: @(#)odsyntax.c 5.4 (Berkeley) 3/8/91";*/ 38 static char rcsid[] = "$NetBSD: odsyntax.c,v 1.5 1997/01/09 20:19:58 tls Exp $"; 39 #endif /* not lint */ 40 41 #include <sys/types.h> 42 #include <stdlib.h> 43 #include <stdio.h> 44 #include "hexdump.h" 45 46 int deprecated; 47 48 oldsyntax(argc, argvp) 49 int argc; 50 char ***argvp; 51 { 52 extern enum _vflag vflag; 53 extern FS *fshead; 54 extern char *optarg; 55 extern int length, optind; 56 int ch; 57 char **argv; 58 static void odprecede(); 59 60 deprecated = 1; 61 argv = *argvp; 62 while ((ch = getopt(argc, argv, "aBbcDdeFfHhIiLlOoPpswvXx")) != EOF) 63 switch (ch) { 64 case 'a': 65 odprecede(); 66 add("16/1 \"%3_u \" \"\\n\""); 67 break; 68 case 'B': 69 case 'o': 70 odprecede(); 71 add("8/2 \" %06o \" \"\\n\""); 72 break; 73 case 'b': 74 odprecede(); 75 add("16/1 \"%03o \" \"\\n\""); 76 break; 77 case 'c': 78 odprecede(); 79 add("16/1 \"%3_c \" \"\\n\""); 80 break; 81 case 'd': 82 odprecede(); 83 add("8/2 \" %05u \" \"\\n\""); 84 break; 85 case 'D': 86 odprecede(); 87 add("4/4 \" %010u \" \"\\n\""); 88 break; 89 case 'e': /* undocumented in od */ 90 case 'F': 91 odprecede(); 92 add("2/8 \" %21.14e \" \"\\n\""); 93 break; 94 95 case 'f': 96 odprecede(); 97 add("4/4 \" %14.7e \" \"\\n\""); 98 break; 99 case 'H': 100 case 'X': 101 odprecede(); 102 add("4/4 \" %08x \" \"\\n\""); 103 break; 104 case 'h': 105 case 'x': 106 odprecede(); 107 add("8/2 \" %04x \" \"\\n\""); 108 break; 109 case 'I': 110 case 'L': 111 case 'l': 112 odprecede(); 113 add("4/4 \" %11d \" \"\\n\""); 114 break; 115 case 'i': 116 odprecede(); 117 add("8/2 \" %6d \" \"\\n\""); 118 break; 119 case 'O': 120 odprecede(); 121 add("4/4 \" %011o \" \"\\n\""); 122 break; 123 case 'v': 124 vflag = ALL; 125 break; 126 case 'P': 127 case 'p': 128 case 's': 129 case 'w': 130 case '?': 131 default: 132 (void)fprintf(stderr, 133 "od: od(1) has been deprecated for hexdump(1).\n"); 134 if (ch != '?') 135 (void)fprintf(stderr, 136 "od: hexdump(1) compatibility doesn't support the -%c option%s\n", 137 ch, ch == 's' ? "; see strings(1)." : "."); 138 usage(); 139 } 140 141 if (!fshead) { 142 add("\"%07.7_Ao\n\""); 143 add("\"%07.7_ao \" 8/2 \"%06o \" \"\\n\""); 144 } 145 146 argc -= optind; 147 *argvp += optind; 148 149 odoffset(argc, argvp); 150 } 151 152 #define ishexdigit(c) \ 153 (c >= '0' && c <= '9' || c >= 'a' && c <= 'f' || c >= 'A' && c <= 'F') 154 155 odoffset(argc, argvp) 156 int argc; 157 char ***argvp; 158 { 159 extern off_t skip; 160 register char *num, *p; 161 int base; 162 char *end; 163 164 /* 165 * The offset syntax of od(1) was genuinely bizarre. First, if 166 * it started with a plus it had to be an offset. Otherwise, if 167 * there were at least two arguments, a number or lower-case 'x' 168 * followed by a number makes it an offset. By default it was 169 * octal; if it started with 'x' or '0x' it was hex. If it ended 170 * in a '.', it was decimal. If a 'b' or 'B' was appended, it 171 * multiplied the number by 512 or 1024 byte units. There was 172 * no way to assign a block count to a hex offset. 173 * 174 * We assumes it's a file if the offset is bad. 175 */ 176 p = **argvp; 177 if (!p) 178 return; 179 if (*p != '+' && (argc < 2 || 180 (!isdigit(p[0]) && (p[0] != 'x' || !ishexdigit(p[1]))))) 181 return; 182 183 base = 0; 184 /* 185 * skip over leading '+', 'x[0-9a-fA-f]' or '0x', and 186 * set base. 187 */ 188 if (p[0] == '+') 189 ++p; 190 if (p[0] == 'x' && ishexdigit(p[1])) { 191 ++p; 192 base = 16; 193 } else if (p[0] == '0' && p[1] == 'x') { 194 p += 2; 195 base = 16; 196 } 197 198 /* skip over the number */ 199 if (base == 16) 200 for (num = p; ishexdigit(*p); ++p); 201 else 202 for (num = p; isdigit(*p); ++p); 203 204 /* check for no number */ 205 if (num == p) 206 return; 207 208 /* if terminates with a '.', base is decimal */ 209 if (*p == '.') { 210 if (base) 211 return; 212 base = 10; 213 } 214 215 skip = strtol(num, &end, base ? base : 8); 216 217 /* if end isn't the same as p, we got a non-octal digit */ 218 if (end != p) 219 skip = 0; 220 else { 221 if (*p) { 222 if (*p == 'b') 223 skip *= 512; 224 else if (*p == 'B') 225 skip *= 1024; 226 ++p; 227 } 228 if (*p) 229 skip = 0; 230 else { 231 ++*argvp; 232 /* 233 * If the offset uses a non-octal base, the base of 234 * the offset is changed as well. This isn't pretty, 235 * but it's easy. 236 */ 237 #define TYPE_OFFSET 7 238 if (base == 16) { 239 fshead->nextfu->fmt[TYPE_OFFSET] = 'x'; 240 fshead->nextfs->nextfu->fmt[TYPE_OFFSET] = 'x'; 241 } else if (base == 10) { 242 fshead->nextfu->fmt[TYPE_OFFSET] = 'd'; 243 fshead->nextfs->nextfu->fmt[TYPE_OFFSET] = 'd'; 244 } 245 } 246 } 247 } 248 249 static void 250 odprecede() 251 { 252 static int first = 1; 253 254 if (first) { 255 first = 0; 256 add("\"%07.7_Ao\n\""); 257 add("\"%07.7_ao \""); 258 } else 259 add("\" \""); 260 } 261
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