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 34 #ifndef lint 35 static const char sccsid[] = "@(#)conv.c 8.1 (Berkeley) 6/6/93"; 36 #endif /* not lint */ 37 #include <sys/cdefs.h> 38 __FBSDID("$FreeBSD$"); 39 40 #include <sys/types.h> 41 42 #include <stdio.h> 43 #include <ctype.h> 44 #include "hexdump.h" 45 46 void 47 conv_c(PR *pr, u_char *p) 48 { 49 char buf[10]; 50 char const *str; 51 52 switch(*p) { 53 case '\0': 54 str = "\\0"; 55 goto strpr; 56 /* case '\a': */ 57 case '\007': 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 str = "\\v"; 77 goto strpr; 78 default: 79 break; 80 } 81 if (isprint(*p)) { 82 *pr->cchar = 'c'; 83 (void)printf(pr->fmt, *p); 84 } else { 85 (void)sprintf(buf, "%03o", (int)*p); 86 str = buf; 87 strpr: *pr->cchar = 's'; 88 (void)printf(pr->fmt, str); 89 } 90 } 91 92 void 93 conv_u(PR *pr, u_char *p) 94 { 95 static char const * list[] = { 96 "nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel", 97 "bs", "ht", "lf", "vt", "ff", "cr", "so", "si", 98 "dle", "dcl", "dc2", "dc3", "dc4", "nak", "syn", "etb", 99 "can", "em", "sub", "esc", "fs", "gs", "rs", "us", 100 }; 101 102 /* od used nl, not lf */ 103 if (*p <= 0x1f) { 104 *pr->cchar = 's'; 105 if (odmode && *p == 0x0a) 106 (void)printf(pr->fmt, "nl"); 107 else 108 (void)printf(pr->fmt, list[*p]); 109 } else if (*p == 0x7f) { 110 *pr->cchar = 's'; 111 (void)printf(pr->fmt, "del"); 112 } else if (odmode && *p == 0x20) { /* od replaced space with sp */ 113 *pr->cchar = 's'; 114 (void)printf(pr->fmt, " sp"); 115 } else if (isprint(*p)) { 116 *pr->cchar = 'c'; 117 (void)printf(pr->fmt, *p); 118 } else { 119 *pr->cchar = 'x'; 120 (void)printf(pr->fmt, (int)*p); 121 } 122 } 123