1 /* 2 * Copyright (c) 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #ifndef lint 9 static char copyright[] = 10 "@(#) Copyright (c) 1989, 1993\n\ 11 The Regents of the University of California. All rights reserved.\n"; 12 #endif /* not lint */ 13 14 #ifndef lint 15 static char sccsid[] = "@(#)hexdump.c 8.1 (Berkeley) 06/06/93"; 16 #endif /* not lint */ 17 18 #include <sys/types.h> 19 20 #include <errno.h> 21 #include <stdlib.h> 22 #include <stdio.h> 23 #include <string.h> 24 #include "hexdump.h" 25 26 FS *fshead; /* head of format strings */ 27 int blocksize; /* data block size */ 28 int exitval; /* final exit value */ 29 int length = -1; /* max bytes to read */ 30 31 int 32 main(argc, argv) 33 int argc; 34 char *argv[]; 35 { 36 register FS *tfs; 37 char *p; 38 39 if (!(p = rindex(argv[0], 'o')) || strcmp(p, "od")) 40 newsyntax(argc, &argv); 41 else 42 oldsyntax(argc, &argv); 43 44 /* figure out the data block size */ 45 for (blocksize = 0, tfs = fshead; tfs; tfs = tfs->nextfs) { 46 tfs->bcnt = size(tfs); 47 if (blocksize < tfs->bcnt) 48 blocksize = tfs->bcnt; 49 } 50 /* rewrite the rules, do syntax checking */ 51 for (tfs = fshead; tfs; tfs = tfs->nextfs) 52 rewrite(tfs); 53 54 (void)next(argv); 55 display(); 56 exit(exitval); 57 } 58 59 #if __STDC__ 60 #include <stdarg.h> 61 #else 62 #include <varargs.h> 63 #endif 64 65 void 66 #if __STDC__ 67 err(const char *fmt, ...) 68 #else 69 err(fmt, va_alist) 70 char *fmt; 71 va_dcl 72 #endif 73 { 74 va_list ap; 75 #if __STDC__ 76 va_start(ap, fmt); 77 #else 78 va_start(ap); 79 #endif 80 (void)fprintf(stderr, "hexdump: "); 81 (void)vfprintf(stderr, fmt, ap); 82 va_end(ap); 83 (void)fprintf(stderr, "\n"); 84 exit(1); 85 /* NOTREACHED */ 86 } 87