Annotation of src/usr.bin/hexdump/hexdump.c, Revision 1.6
1.6 ! mpech 1: /* $OpenBSD: hexdump.c,v 1.5 2001/07/12 05:17:10 deraadt Exp $ */
1.4 deraadt 2:
1.1 deraadt 3: /*
4: * Copyright (c) 1989 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: char copyright[] =
38: "@(#) Copyright (c) 1989 The Regents of the University of California.\n\
39: All rights reserved.\n";
40: #endif /* not lint */
41:
42: #ifndef lint
43: /*static char sccsid[] = "from: @(#)hexdump.c 5.5 (Berkeley) 6/1/90";*/
1.6 ! mpech 44: static char rcsid[] = "$OpenBSD: hexdump.c,v 1.5 2001/07/12 05:17:10 deraadt Exp $";
1.1 deraadt 45: #endif /* not lint */
46:
47: #include <sys/types.h>
48: #include <stdio.h>
1.3 deraadt 49: #include <string.h>
1.1 deraadt 50: #include "hexdump.h"
51:
52: FS *fshead; /* head of format strings */
53: int blocksize; /* data block size */
54: int exitval; /* final exit value */
55: int length = -1; /* max bytes to read */
56:
1.5 deraadt 57: int
1.1 deraadt 58: main(argc, argv)
59: int argc;
60: char **argv;
61: {
1.6 ! mpech 62: FS *tfs;
1.2 deraadt 63: char *p;
1.1 deraadt 64:
1.2 deraadt 65: if (!(p = strrchr(argv[0], 'o')) || strcmp(p, "od"))
1.1 deraadt 66: newsyntax(argc, &argv);
67: else
68: oldsyntax(argc, &argv);
69:
70: /* figure out the data block size */
71: for (blocksize = 0, tfs = fshead; tfs; tfs = tfs->nextfs) {
72: tfs->bcnt = size(tfs);
73: if (blocksize < tfs->bcnt)
74: blocksize = tfs->bcnt;
75: }
76: /* rewrite the rules, do syntax checking */
77: for (tfs = fshead; tfs; tfs = tfs->nextfs)
78: rewrite(tfs);
79:
80: (void)next(argv);
81: display();
82: exit(exitval);
83: }