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. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)conv.c 8.1 (Berkeley) 6/6/93 34 * $FreeBSD: src/usr.bin/hexdump/conv.c,v 1.1.1.1.14.1 2002/07/23 14:27:06 tjr Exp $ 35 * $DragonFly: src/usr.bin/hexdump/conv.c,v 1.3 2003/10/04 20:36:45 hmp Exp $ 36 */ 37 38 #include <sys/types.h> 39 40 #include <stdio.h> 41 #include <ctype.h> 42 #include "hexdump.h" 43 44 void 45 conv_c(PR *pr, u_char *p) 46 { 47 char buf[10]; 48 char const *str; 49 50 switch(*p) { 51 case '\0': 52 str = "\\0"; 53 goto strpr; 54 /* case '\a': */ 55 case '\007': 56 str = "\\a"; 57 goto strpr; 58 case '\b': 59 str = "\\b"; 60 goto strpr; 61 case '\f': 62 str = "\\f"; 63 goto strpr; 64 case '\n': 65 str = "\\n"; 66 goto strpr; 67 case '\r': 68 str = "\\r"; 69 goto strpr; 70 case '\t': 71 str = "\\t"; 72 goto strpr; 73 case '\v': 74 str = "\\v"; 75 goto strpr; 76 default: 77 break; 78 } 79 if (isprint(*p)) { 80 *pr->cchar = 'c'; 81 (void)printf(pr->fmt, *p); 82 } else { 83 (void)sprintf(buf, "%03o", (int)*p); 84 str = buf; 85 strpr: *pr->cchar = 's'; 86 (void)printf(pr->fmt, str); 87 } 88 } 89 90 void 91 conv_u(PR *pr, u_char *p) 92 { 93 static char const * list[] = { 94 "nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel", 95 "bs", "ht", "lf", "vt", "ff", "cr", "so", "si", 96 "dle", "dcl", "dc2", "dc3", "dc4", "nak", "syn", "etb", 97 "can", "em", "sub", "esc", "fs", "gs", "rs", "us", 98 }; 99 100 /* od used nl, not lf */ 101 if (*p <= 0x1f) { 102 *pr->cchar = 's'; 103 if (odmode && *p == 0x0a) 104 (void)printf(pr->fmt, "nl"); 105 else 106 (void)printf(pr->fmt, list[*p]); 107 } else if (*p == 0x7f) { 108 *pr->cchar = 's'; 109 (void)printf(pr->fmt, "del"); 110 } else if (odmode && *p == 0x20) { /* od replaced space with sp */ 111 *pr->cchar = 's'; 112 (void)printf(pr->fmt, " sp"); 113 } else if (isprint(*p)) { 114 *pr->cchar = 'c'; 115 (void)printf(pr->fmt, *p); 116 } else { 117 *pr->cchar = 'x'; 118 (void)printf(pr->fmt, (int)*p); 119 } 120 } 121