Annotation of src/usr.bin/hexdump/hexsyntax.c, Revision 1.4
1.4 ! deraadt 1: /* $OpenBSD: hexsyntax.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: @(#)hexsyntax.c 5.2 (Berkeley) 5/8/90";*/
1.4 ! deraadt 38: static char rcsid[] = "$OpenBSD: hexsyntax.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 <stdio.h>
1.4 ! deraadt 43: #include <stdlib.h>
! 44: #include <limits.h>
! 45: #include <unistd.h>
1.1 deraadt 46: #include "hexdump.h"
47:
48: off_t skip; /* bytes to skip */
49:
1.4 ! deraadt 50: void
1.1 deraadt 51: newsyntax(argc, argvp)
52: int argc;
53: char ***argvp;
54: {
55: extern enum _vflag vflag;
56: extern FS *fshead;
57: extern char *optarg;
58: extern int length, optind;
59: int ch;
60: char *p, **argv;
61:
62: argv = *argvp;
1.3 millert 63: while ((ch = getopt(argc, argv, "bcde:f:n:os:vx")) != -1)
1.1 deraadt 64: switch (ch) {
65: case 'b':
66: add("\"%07.7_Ax\n\"");
67: add("\"%07.7_ax \" 16/1 \"%03o \" \"\\n\"");
68: break;
69: case 'c':
70: add("\"%07.7_Ax\n\"");
71: add("\"%07.7_ax \" 16/1 \"%3_c \" \"\\n\"");
72: break;
73: case 'd':
74: add("\"%07.7_Ax\n\"");
75: add("\"%07.7_ax \" 8/2 \" %05u \" \"\\n\"");
76: break;
77: case 'e':
78: add(optarg);
79: break;
80: case 'f':
81: addfile(optarg);
82: break;
83: case 'n':
84: if ((length = atoi(optarg)) < 0) {
85: (void)fprintf(stderr,
86: "hexdump: bad length value.\n");
87: exit(1);
88: }
89: break;
90: case 'o':
91: add("\"%07.7_Ax\n\"");
92: add("\"%07.7_ax \" 8/2 \" %06o \" \"\\n\"");
93: break;
94: case 's':
95: if ((skip = strtol(optarg, &p, 0)) < 0) {
96: (void)fprintf(stderr,
97: "hexdump: bad skip value.\n");
98: exit(1);
99: }
100: switch(*p) {
101: case 'b':
102: skip *= 512;
103: break;
104: case 'k':
105: skip *= 1024;
106: break;
107: case 'm':
108: skip *= 1048576;
109: break;
110: }
111: break;
112: case 'v':
113: vflag = ALL;
114: break;
115: case 'x':
116: add("\"%07.7_Ax\n\"");
117: add("\"%07.7_ax \" 8/2 \" %04x \" \"\\n\"");
118: break;
119: case '?':
120: usage();
121: exit(1);
122: }
123:
124: if (!fshead) {
125: add("\"%07.7_Ax\n\"");
126: add("\"%07.7_ax \" 8/2 \"%04x \" \"\\n\"");
127: }
128:
129: *argvp += optind;
130: }
131:
1.4 ! deraadt 132: void
1.1 deraadt 133: usage()
134: {
135: (void)fprintf(stderr,
136: "hexdump: [-bcdovx] [-e fmt] [-f fmt_file] [-n length] [-s skip] [file ...]\n");
137: exit(1);
138: }