1 /* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. 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. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #ifndef lint 31 static const char copyright[] = 32 "@(#) Copyright (c) 1989, 1993\n\ 33 The Regents of the University of California. All rights reserved.\n"; 34 #endif /* not lint */ 35 36 #ifndef lint 37 #if 0 38 static char sccsid[] = "@(#)hexdump.c 8.1 (Berkeley) 6/6/93"; 39 #endif 40 #endif /* not lint */ 41 #include <sys/cdefs.h> 42 __FBSDID("$FreeBSD$"); 43 44 #include <sys/types.h> 45 #include <sys/capsicum.h> 46 #include <capsicum_helpers.h> 47 #include <err.h> 48 #include <locale.h> 49 #include <stdlib.h> 50 #include <stdio.h> 51 #include <string.h> 52 #include "hexdump.h" 53 54 FS *fshead; /* head of format strings */ 55 int blocksize; /* data block size */ 56 int exitval; /* final exit value */ 57 int length = -1; /* max bytes to read */ 58 59 int 60 main(int argc, char *argv[]) 61 { 62 FS *tfs; 63 char *p; 64 65 (void)setlocale(LC_ALL, ""); 66 67 if (!(p = strrchr(argv[0], 'o')) || strcmp(p, "od")) 68 newsyntax(argc, &argv); 69 else 70 oldsyntax(argc, &argv); 71 72 /* figure out the data block size */ 73 for (blocksize = 0, tfs = fshead; tfs; tfs = tfs->nextfs) { 74 tfs->bcnt = size(tfs); 75 if (blocksize < tfs->bcnt) 76 blocksize = tfs->bcnt; 77 } 78 /* rewrite the rules, do syntax checking */ 79 for (tfs = fshead; tfs; tfs = tfs->nextfs) 80 rewrite(tfs); 81 82 /* 83 * Cache NLS data, for strerror, for err(3), before entering capability 84 * mode. 85 */ 86 caph_cache_catpages(); 87 if (caph_limit_stdio() < 0) 88 err(1, "capsicum"); 89 90 (void)next(argv); 91 display(); 92 exit(exitval); 93 } 94