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 * @(#)conv.c 8.1 (Berkeley) 6/6/93 30 * $FreeBSD: src/usr.bin/hexdump/conv.c,v 1.1.1.1.14.1 2002/07/23 14:27:06 tjr Exp $ 31 * $DragonFly: src/usr.bin/hexdump/conv.c,v 1.3 2003/10/04 20:36:45 hmp Exp $ 32 */ 33 34 #include <sys/types.h> 35 36 #include <stdio.h> 37 #include <ctype.h> 38 #include "hexdump.h" 39 40 void 41 conv_c(PR *pr, u_char *p) 42 { 43 char buf[10]; 44 char const *str; 45 46 switch(*p) { 47 case '\0': 48 str = "\\0"; 49 goto strpr; 50 /* case '\a': */ 51 case '\007': 52 str = "\\a"; 53 goto strpr; 54 case '\b': 55 str = "\\b"; 56 goto strpr; 57 case '\f': 58 str = "\\f"; 59 goto strpr; 60 case '\n': 61 str = "\\n"; 62 goto strpr; 63 case '\r': 64 str = "\\r"; 65 goto strpr; 66 case '\t': 67 str = "\\t"; 68 goto strpr; 69 case '\v': 70 str = "\\v"; 71 goto strpr; 72 default: 73 break; 74 } 75 if (isprint(*p)) { 76 *pr->cchar = 'c'; 77 (void)printf(pr->fmt, *p); 78 } else { 79 (void)sprintf(buf, "%03o", (int)*p); 80 str = buf; 81 strpr: *pr->cchar = 's'; 82 (void)printf(pr->fmt, str); 83 } 84 } 85 86 void 87 conv_u(PR *pr, u_char *p) 88 { 89 static char const * list[] = { 90 "nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel", 91 "bs", "ht", "lf", "vt", "ff", "cr", "so", "si", 92 "dle", "dcl", "dc2", "dc3", "dc4", "nak", "syn", "etb", 93 "can", "em", "sub", "esc", "fs", "gs", "rs", "us", 94 }; 95 96 /* od used nl, not lf */ 97 if (*p <= 0x1f) { 98 *pr->cchar = 's'; 99 if (odmode && *p == 0x0a) 100 (void)printf(pr->fmt, "nl"); 101 else 102 (void)printf(pr->fmt, list[*p]); 103 } else if (*p == 0x7f) { 104 *pr->cchar = 's'; 105 (void)printf(pr->fmt, "del"); 106 } else if (odmode && *p == 0x20) { /* od replaced space with sp */ 107 *pr->cchar = 's'; 108 (void)printf(pr->fmt, " sp"); 109 } else if (isprint(*p)) { 110 *pr->cchar = 'c'; 111 (void)printf(pr->fmt, *p); 112 } else { 113 *pr->cchar = 'x'; 114 (void)printf(pr->fmt, (int)*p); 115 } 116 } 117