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1.4 ! deraadt 1: /* $OpenBSD: odsyntax.c,v 1.3 1997/01/15 23:42:34 millert Exp $ */
1.2 deraadt 2:
1.1 deraadt 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";*/
1.4 ! deraadt 38: static char rcsid[] = "$OpenBSD: odsyntax.c,v 1.3 1997/01/15 23:42:34 millert Exp $";
1.1 deraadt 39: #endif /* not lint */
40:
41: #include <sys/types.h>
42: #include <stdlib.h>
1.4 ! deraadt 43: #include <ctype.h>
1.1 deraadt 44: #include <stdio.h>
45: #include "hexdump.h"
46:
47: int deprecated;
48:
49: oldsyntax(argc, argvp)
50: int argc;
51: char ***argvp;
52: {
53: extern enum _vflag vflag;
54: extern FS *fshead;
55: extern char *optarg;
56: extern int length, optind;
57: int ch;
58: char **argv;
59: static void odprecede();
60:
61: deprecated = 1;
62: argv = *argvp;
1.3 millert 63: while ((ch = getopt(argc, argv, "aBbcDdeFfHhIiLlOoPpswvXx")) != -1)
1.1 deraadt 64: switch (ch) {
65: case 'a':
66: odprecede();
67: add("16/1 \"%3_u \" \"\\n\"");
68: break;
69: case 'B':
70: case 'o':
71: odprecede();
72: add("8/2 \" %06o \" \"\\n\"");
73: break;
74: case 'b':
75: odprecede();
76: add("16/1 \"%03o \" \"\\n\"");
77: break;
78: case 'c':
79: odprecede();
80: add("16/1 \"%3_c \" \"\\n\"");
81: break;
82: case 'd':
83: odprecede();
84: add("8/2 \" %05u \" \"\\n\"");
85: break;
86: case 'D':
87: odprecede();
88: add("4/4 \" %010u \" \"\\n\"");
89: break;
90: case 'e': /* undocumented in od */
91: case 'F':
92: odprecede();
93: add("2/8 \" %21.14e \" \"\\n\"");
94: break;
95:
96: case 'f':
97: odprecede();
98: add("4/4 \" %14.7e \" \"\\n\"");
99: break;
100: case 'H':
101: case 'X':
102: odprecede();
103: add("4/4 \" %08x \" \"\\n\"");
104: break;
105: case 'h':
106: case 'x':
107: odprecede();
108: add("8/2 \" %04x \" \"\\n\"");
109: break;
110: case 'I':
111: case 'L':
112: case 'l':
113: odprecede();
114: add("4/4 \" %11d \" \"\\n\"");
115: break;
116: case 'i':
117: odprecede();
118: add("8/2 \" %6d \" \"\\n\"");
119: break;
120: case 'O':
121: odprecede();
122: add("4/4 \" %011o \" \"\\n\"");
123: break;
124: case 'v':
125: vflag = ALL;
126: break;
127: case 'P':
128: case 'p':
129: case 's':
130: case 'w':
131: case '?':
132: default:
133: (void)fprintf(stderr,
134: "od: od(1) has been deprecated for hexdump(1).\n");
135: if (ch != '?')
136: (void)fprintf(stderr,
137: "od: hexdump(1) compatibility doesn't support the -%c option%s\n",
138: ch, ch == 's' ? "; see strings(1)." : ".");
139: usage();
140: }
141:
142: if (!fshead) {
143: add("\"%07.7_Ao\n\"");
144: add("\"%07.7_ao \" 8/2 \"%06o \" \"\\n\"");
145: }
146:
147: argc -= optind;
148: *argvp += optind;
149:
150: odoffset(argc, argvp);
151: }
152:
153: #define ishexdigit(c) \
154: (c >= '0' && c <= '9' || c >= 'a' && c <= 'f' || c >= 'A' && c <= 'F')
155:
1.4 ! deraadt 156: void
1.1 deraadt 157: odoffset(argc, argvp)
158: int argc;
159: char ***argvp;
160: {
161: extern off_t skip;
162: register char *num, *p;
163: int base;
164: char *end;
165:
166: /*
167: * The offset syntax of od(1) was genuinely bizarre. First, if
168: * it started with a plus it had to be an offset. Otherwise, if
169: * there were at least two arguments, a number or lower-case 'x'
170: * followed by a number makes it an offset. By default it was
171: * octal; if it started with 'x' or '0x' it was hex. If it ended
172: * in a '.', it was decimal. If a 'b' or 'B' was appended, it
173: * multiplied the number by 512 or 1024 byte units. There was
174: * no way to assign a block count to a hex offset.
175: *
176: * We assumes it's a file if the offset is bad.
177: */
178: p = **argvp;
179: if (!p)
180: return;
181: if (*p != '+' && (argc < 2 ||
182: (!isdigit(p[0]) && (p[0] != 'x' || !ishexdigit(p[1])))))
183: return;
184:
185: base = 0;
186: /*
187: * skip over leading '+', 'x[0-9a-fA-f]' or '0x', and
188: * set base.
189: */
190: if (p[0] == '+')
191: ++p;
192: if (p[0] == 'x' && ishexdigit(p[1])) {
193: ++p;
194: base = 16;
195: } else if (p[0] == '0' && p[1] == 'x') {
196: p += 2;
197: base = 16;
198: }
199:
200: /* skip over the number */
201: if (base == 16)
202: for (num = p; ishexdigit(*p); ++p);
203: else
204: for (num = p; isdigit(*p); ++p);
205:
206: /* check for no number */
207: if (num == p)
208: return;
209:
210: /* if terminates with a '.', base is decimal */
211: if (*p == '.') {
212: if (base)
213: return;
214: base = 10;
215: }
216:
217: skip = strtol(num, &end, base ? base : 8);
218:
219: /* if end isn't the same as p, we got a non-octal digit */
220: if (end != p)
221: skip = 0;
222: else {
223: if (*p) {
224: if (*p == 'b')
225: skip *= 512;
226: else if (*p == 'B')
227: skip *= 1024;
228: ++p;
229: }
230: if (*p)
231: skip = 0;
232: else {
233: ++*argvp;
234: /*
235: * If the offset uses a non-octal base, the base of
236: * the offset is changed as well. This isn't pretty,
237: * but it's easy.
238: */
239: #define TYPE_OFFSET 7
240: if (base == 16) {
241: fshead->nextfu->fmt[TYPE_OFFSET] = 'x';
242: fshead->nextfs->nextfu->fmt[TYPE_OFFSET] = 'x';
243: } else if (base == 10) {
244: fshead->nextfu->fmt[TYPE_OFFSET] = 'd';
245: fshead->nextfs->nextfu->fmt[TYPE_OFFSET] = 'd';
246: }
247: }
248: }
249: }
250:
251: static void
252: odprecede()
253: {
254: static int first = 1;
255:
256: if (first) {
257: first = 0;
258: add("\"%07.7_Ao\n\"");
259: add("\"%07.7_ao \"");
260: } else
261: add("\" \"");
262: }