1 /* $OpenBSD: conv.c,v 1.7 2003/06/12 20:58:09 deraadt Exp $ */ 2 /* $NetBSD: conv.c,v 1.7 2001/12/07 15:14:29 bjh21 Exp $ */ 3 4 /* 5 * Copyright (c) 1989, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #ifndef lint 34 /*static char sccsid[] = "from: @(#)conv.c 5.4 (Berkeley) 6/1/90";*/ 35 static char rcsid[] = "$OpenBSD: conv.c,v 1.7 2003/06/12 20:58:09 deraadt Exp $"; 36 #endif /* not lint */ 37 38 #include <sys/types.h> 39 40 #include <stdio.h> 41 #include <ctype.h> 42 43 #include "hexdump.h" 44 45 void 46 conv_c(PR *pr, u_char *p) 47 { 48 char buf[10]; 49 char const *str; 50 51 switch(*p) { 52 case '\0': 53 str = "\\0"; 54 goto strpr; 55 /* case '\a': */ 56 case '\007': 57 if (deprecated) /* od didn't know about \a */ 58 break; 59 str = "\\a"; 60 goto strpr; 61 case '\b': 62 str = "\\b"; 63 goto strpr; 64 case '\f': 65 str = "\\f"; 66 goto strpr; 67 case '\n': 68 str = "\\n"; 69 goto strpr; 70 case '\r': 71 str = "\\r"; 72 goto strpr; 73 case '\t': 74 str = "\\t"; 75 goto strpr; 76 case '\v': 77 if (deprecated) 78 break; 79 str = "\\v"; 80 goto strpr; 81 default: 82 break; 83 } 84 if (isprint(*p)) { 85 *pr->cchar = 'c'; 86 (void)printf(pr->fmt, *p); 87 } else { 88 (void)snprintf(buf, sizeof buf, "%03o", (int)*p); 89 str = buf; 90 strpr: *pr->cchar = 's'; 91 (void)printf(pr->fmt, str); 92 } 93 } 94 95 void 96 conv_u(PR *pr, u_char *p) 97 { 98 static const char *list[] = { 99 "nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel", 100 "bs", "ht", "lf", "vt", "ff", "cr", "so", "si", 101 "dle", "dcl", "dc2", "dc3", "dc4", "nak", "syn", "etb", 102 "can", "em", "sub", "esc", "fs", "gs", "rs", "us", 103 }; 104 105 /* od used nl, not lf */ 106 if (*p <= 0x1f) { 107 *pr->cchar = 's'; 108 if (deprecated && *p == 0x0a) 109 (void)printf(pr->fmt, "nl"); 110 else 111 (void)printf(pr->fmt, list[*p]); 112 } else if (*p == 0x7f) { 113 *pr->cchar = 's'; 114 (void)printf(pr->fmt, "del"); 115 } else if (deprecated && *p == 0x20) { /* od replaced space with sp */ 116 *pr->cchar = 's'; 117 (void)printf(pr->fmt, " sp"); 118 } else if (isprint(*p)) { 119 *pr->cchar = 'c'; 120 (void)printf(pr->fmt, *p); 121 } else { 122 *pr->cchar = 'x'; 123 (void)printf(pr->fmt, (int)*p); 124 } 125 } 126