1 /*-
2 * Copyright (c) 1990 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34 #ifndef lint
35 static char sccsid[] = "@(#)odsyntax.c 5.4 (Berkeley) 3/8/91";
36 #endif /* not lint */
37
38 #include <sys/types.h>
39 #include <stdlib.h>
40 #include <stdio.h>
41 #include "hexdump.h"
42
43 int deprecated;
44
oldsyntax(argc,argvp)45 oldsyntax(argc, argvp)
46 int argc;
47 char ***argvp;
48 {
49 extern enum _vflag vflag;
50 extern FS *fshead;
51 extern char *optarg;
52 extern int length, optind;
53 int ch;
54 char **argv;
55 static void odprecede();
56
57 deprecated = 1;
58 argv = *argvp;
59 while ((ch = getopt(argc, argv, "aBbcDdeFfHhIiLlOoPpswvXx")) != EOF)
60 switch (ch) {
61 case 'a':
62 odprecede();
63 add("16/1 \"%3_u \" \"\\n\"");
64 break;
65 case 'B':
66 case 'o':
67 odprecede();
68 add("8/2 \" %06o \" \"\\n\"");
69 break;
70 case 'b':
71 odprecede();
72 add("16/1 \"%03o \" \"\\n\"");
73 break;
74 case 'c':
75 odprecede();
76 add("16/1 \"%3_c \" \"\\n\"");
77 break;
78 case 'd':
79 odprecede();
80 add("8/2 \" %05u \" \"\\n\"");
81 break;
82 case 'D':
83 odprecede();
84 add("4/4 \" %010u \" \"\\n\"");
85 break;
86 case 'e': /* undocumented in od */
87 case 'F':
88 odprecede();
89 add("2/8 \" %21.14e \" \"\\n\"");
90 break;
91
92 case 'f':
93 odprecede();
94 add("4/4 \" %14.7e \" \"\\n\"");
95 break;
96 case 'H':
97 case 'X':
98 odprecede();
99 add("4/4 \" %08x \" \"\\n\"");
100 break;
101 case 'h':
102 case 'x':
103 odprecede();
104 add("8/2 \" %04x \" \"\\n\"");
105 break;
106 case 'I':
107 case 'L':
108 case 'l':
109 odprecede();
110 add("4/4 \" %11d \" \"\\n\"");
111 break;
112 case 'i':
113 odprecede();
114 add("8/2 \" %6d \" \"\\n\"");
115 break;
116 case 'O':
117 odprecede();
118 add("4/4 \" %011o \" \"\\n\"");
119 break;
120 case 'v':
121 vflag = ALL;
122 break;
123 case 'P':
124 case 'p':
125 case 's':
126 case 'w':
127 case '?':
128 default:
129 (void)fprintf(stderr,
130 "od: od(1) has been deprecated for hexdump(1).\n");
131 if (ch != '?')
132 (void)fprintf(stderr,
133 "od: hexdump(1) compatibility doesn't support the -%c option%s\n",
134 ch, ch == 's' ? "; see strings(1)." : ".");
135 usage();
136 }
137
138 if (!fshead) {
139 add("\"%07.7_Ao\n\"");
140 add("\"%07.7_ao \" 8/2 \"%06o \" \"\\n\"");
141 }
142
143 argc -= optind;
144 *argvp += optind;
145
146 odoffset(argc, argvp);
147 }
148
149 #define ishexdigit(c) \
150 (c >= '0' && c <= '9' || c >= 'a' && c <= 'f' || c >= 'A' && c <= 'F')
151
odoffset(argc,argvp)152 odoffset(argc, argvp)
153 int argc;
154 char ***argvp;
155 {
156 extern off_t skip;
157 register char *num, *p;
158 int base;
159 char *end;
160
161 /*
162 * The offset syntax of od(1) was genuinely bizarre. First, if
163 * it started with a plus it had to be an offset. Otherwise, if
164 * there were at least two arguments, a number or lower-case 'x'
165 * followed by a number makes it an offset. By default it was
166 * octal; if it started with 'x' or '0x' it was hex. If it ended
167 * in a '.', it was decimal. If a 'b' or 'B' was appended, it
168 * multiplied the number by 512 or 1024 byte units. There was
169 * no way to assign a block count to a hex offset.
170 *
171 * We assumes it's a file if the offset is bad.
172 */
173 p = **argvp;
174 if (*p != '+' && (argc < 2 ||
175 (!isdigit(p[0]) && (p[0] != 'x' || !ishexdigit(p[1])))))
176 return;
177
178 base = 0;
179 /*
180 * skip over leading '+', 'x[0-9a-fA-f]' or '0x', and
181 * set base.
182 */
183 if (p[0] == '+')
184 ++p;
185 if (p[0] == 'x' && ishexdigit(p[1])) {
186 ++p;
187 base = 16;
188 } else if (p[0] == '0' && p[1] == 'x') {
189 p += 2;
190 base = 16;
191 }
192
193 /* skip over the number */
194 if (base == 16)
195 for (num = p; ishexdigit(*p); ++p);
196 else
197 for (num = p; isdigit(*p); ++p);
198
199 /* check for no number */
200 if (num == p)
201 return;
202
203 /* if terminates with a '.', base is decimal */
204 if (*p == '.') {
205 if (base)
206 return;
207 base = 10;
208 }
209
210 skip = strtol(num, &end, base ? base : 8);
211
212 /* if end isn't the same as p, we got a non-octal digit */
213 if (end != p)
214 skip = 0;
215 else {
216 if (*p) {
217 if (*p == 'b')
218 skip *= 512;
219 else if (*p == 'B')
220 skip *= 1024;
221 ++p;
222 }
223 if (*p)
224 skip = 0;
225 else {
226 ++*argvp;
227 /*
228 * If the offset uses a non-octal base, the base of
229 * the offset is changed as well. This isn't pretty,
230 * but it's easy.
231 */
232 #define TYPE_OFFSET 7
233 if (base == 16) {
234 fshead->nextfu->fmt[TYPE_OFFSET] = 'x';
235 fshead->nextfs->nextfu->fmt[TYPE_OFFSET] = 'x';
236 } else if (base == 10) {
237 fshead->nextfu->fmt[TYPE_OFFSET] = 'd';
238 fshead->nextfs->nextfu->fmt[TYPE_OFFSET] = 'd';
239 }
240 }
241 }
242 }
243
244 static void
odprecede()245 odprecede()
246 {
247 static int first = 1;
248
249 if (first) {
250 first = 0;
251 add("\"%07.7_Ao\n\"");
252 add("\"%07.7_ao \"");
253 } else
254 add("\" \"");
255 }
256