1 /* 2 * 3 * Simple hexidecimal dump, two hex digits per line. 4 * 5 * Copyright (C) 2004-2007 Peter Johnson 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 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS'' 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 #include <stdio.h> 29 #include <stdlib.h> 30 31 int 32 main(int argc, char *argv[]) 33 { 34 FILE *bfile; 35 int ch; 36 37 if (argc != 2) { 38 fprintf(stderr, "Usage: %s <file>\n", argv[0]); 39 return EXIT_FAILURE; 40 } 41 42 bfile = fopen(argv[1], "rb"); 43 44 if (!bfile) { 45 fprintf(stderr, "Could not open `%s'.\n", argv[1]); 46 return EXIT_FAILURE; 47 } 48 49 while ((ch = fgetc(bfile)) != EOF) 50 printf("%02x \n", ch); 51 52 if (ferror(bfile)) { 53 fprintf(stderr, "Error reading from `%s'.\n", argv[1]); 54 return EXIT_FAILURE; 55 } 56 57 fclose(bfile); 58 return EXIT_SUCCESS; 59 } 60
