1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1989, 1993 5 * The Regents of the University of California. 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. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32 #ifndef lint 33 static const char copyright[] = 34 "@(#) Copyright (c) 1989, 1993\n\ 35 The Regents of the University of California. All rights reserved.\n"; 36 #endif /* not lint */ 37 38 #ifndef lint 39 #if 0 40 static char sccsid[] = "@(#)hexdump.c 8.1 (Berkeley) 6/6/93"; 41 #endif 42 #endif /* not lint */ 43 #include <sys/cdefs.h> 44 __FBSDID("$FreeBSD$"); 45 46 #include <sys/types.h> 47 #include <sys/capsicum.h> 48 #include <capsicum_helpers.h> 49 #include <err.h> 50 #include <locale.h> 51 #include <stdlib.h> 52 #include <stdio.h> 53 #include <string.h> 54 #include "hexdump.h" 55 56 FS *fshead; /* head of format strings */ 57 int blocksize; /* data block size */ 58 int exitval; /* final exit value */ 59 int length = -1; /* max bytes to read */ 60 61 int 62 main(int argc, char *argv[]) 63 { 64 FS *tfs; 65 char *p; 66 67 (void)setlocale(LC_ALL, ""); 68 69 if (!(p = strrchr(argv[0], 'o')) || strcmp(p, "od")) 70 newsyntax(argc, &argv); 71 else 72 oldsyntax(argc, &argv); 73 74 /* figure out the data block size */ 75 for (blocksize = 0, tfs = fshead; tfs; tfs = tfs->nextfs) { 76 tfs->bcnt = size(tfs); 77 if (blocksize < tfs->bcnt) 78 blocksize = tfs->bcnt; 79 } 80 /* rewrite the rules, do syntax checking */ 81 for (tfs = fshead; tfs; tfs = tfs->nextfs) 82 rewrite(tfs); 83 84 /* 85 * Cache NLS data, for strerror, for err(3), before entering capability 86 * mode. 87 */ 88 caph_cache_catpages(); 89 if (caph_limit_stdio() < 0) 90 err(1, "capsicum"); 91 92 (void)next(argv); 93 display(); 94 exit(exitval); 95 } 96