1 /* 2 * Copyright (c) 1989 The Regents of the University of California. 3 * 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 34 #ifndef lint 35 /*static char sccsid[] = "from: @(#)conv.c 5.4 (Berkeley) 6/1/90";*/ 36 static char rcsid[] = "$Id: conv.c,v 1.2 1993/08/01 18:14:50 mycroft Exp $"; 37 #endif /* not lint */ 38 39 #include <sys/types.h> 40 #include <ctype.h> 41 #include "hexdump.h" 42 43 conv_c(pr, p) 44 PR *pr; 45 u_char *p; 46 { 47 extern int deprecated; 48 char buf[10], *str; 49 50 switch(*p) { 51 case '\0': 52 str = "\\0"; 53 goto strpr; 54 /* case '\a': */ 55 case '\007': 56 if (deprecated) /* od didn't know about \a */ 57 break; 58 str = "\\a"; 59 goto strpr; 60 case '\b': 61 str = "\\b"; 62 goto strpr; 63 case '\f': 64 str = "\\f"; 65 goto strpr; 66 case '\n': 67 str = "\\n"; 68 goto strpr; 69 case '\r': 70 str = "\\r"; 71 goto strpr; 72 case '\t': 73 str = "\\t"; 74 goto strpr; 75 case '\v': 76 if (deprecated) 77 break; 78 str = "\\v"; 79 goto strpr; 80 default: 81 break; 82 } 83 if (isprint(*p)) { 84 *pr->cchar = 'c'; 85 (void)printf(pr->fmt, *p); 86 } else { 87 (void)sprintf(str = buf, "%03o", (int)*p); 88 strpr: *pr->cchar = 's'; 89 (void)printf(pr->fmt, str); 90 } 91 } 92 93 conv_u(pr, p) 94 PR *pr; 95 u_char *p; 96 { 97 extern int deprecated; 98 static 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 replace 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