Home | History | Annotate | Line # | Download | only in hexdump 
      1 /*	$NetBSD: conv.c,v 1.14 2013/02/09 02:49:36 jakllsch Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1989, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. Neither the name of the University nor the names of its contributors
     16  *    may be used to endorse or promote products derived from this software
     17  *    without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  */
     31 
     32 #if HAVE_NBTOOL_CONFIG_H
     33 #include "nbtool_config.h"
     34 #endif
     35 
     36 #include <sys/cdefs.h>
     37 #if !defined(lint)
     38 #if 0
     39 static char sccsid[] = "@(#)conv.c	8.1 (Berkeley) 6/6/93";
     40 #else
     41 __RCSID("$NetBSD: conv.c,v 1.14 2013/02/09 02:49:36 jakllsch Exp $");
     42 #endif
     43 #endif /* not lint */
     44 
     45 #include <sys/types.h>
     46 
     47 #include <stdio.h>
     48 #include <ctype.h>
     49 
     50 #include "hexdump.h"
     51 
     52 void
     53 conv_c(PR *pr, u_char *p)
     54 {
     55 	char buf[10];
     56 	char const *str;
     57 
     58 	switch(*p) {
     59 	case '\0':
     60 		str = "\\0";
     61 		goto strpr;
     62 	/* case '\a': */
     63 	case '\007':
     64 		if (odmode)		/* od doesn't know about \a */
     65 			break;
     66 		str = "\\a";
     67 		goto strpr;
     68 	case '\b':
     69 		str = "\\b";
     70 		goto strpr;
     71 	case '\f':
     72 		str = "\\f";
     73 		goto strpr;
     74 	case '\n':
     75 		str = "\\n";
     76 		goto strpr;
     77 	case '\r':
     78 		str = "\\r";
     79 		goto strpr;
     80 	case '\t':
     81 		str = "\\t";
     82 		goto strpr;
     83 	case '\v':
     84 		if (odmode)
     85 			break;
     86 		str = "\\v";
     87 		goto strpr;
     88 	default:
     89 		break;
     90 	}
     91 	if (isprint(*p)) {
     92 		*pr->cchar = 'c';
     93 		(void)printf(pr->fmt, *p);
     94 	} else {
     95 		(void)sprintf(buf, "%03o", (int)*p);
     96 		str = buf;
     97 strpr:		*pr->cchar = 's';
     98 		(void)printf(pr->fmt, str);
     99 	}
    100 }
    101 
    102 void
    103 conv_u(PR *pr, u_char *p)
    104 {
    105 	static const char *list[] = {
    106 		"nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel",
    107 		 "bs",  "ht",  "lf",  "vt",  "ff",  "cr",  "so",  "si",
    108 		"dle", "dc1", "dc2", "dc3", "dc4", "nak", "syn", "etb",
    109 		"can",  "em", "sub", "esc",  "fs",  "gs",  "rs",  "us",
    110 	};
    111 
    112 						/* od used nl, not lf */
    113 	if (*p <= 0x1f) {
    114 		*pr->cchar = 's';
    115 		if (odmode && *p == 0x0a)
    116 			(void)printf(pr->fmt, "nl");
    117 		else
    118 			(void)printf(pr->fmt, list[*p]);
    119 	} else if (*p == 0x7f) {
    120 		*pr->cchar = 's';
    121 		(void)printf(pr->fmt, "del");
    122 	} else if (odmode && *p == 0x20) {	/* od replaces space with sp */
    123 		*pr->cchar = 's';
    124 		(void)printf(pr->fmt, " sp");
    125 	} else if (isprint(*p)) {
    126 		*pr->cchar = 'c';
    127 		(void)printf(pr->fmt, *p);
    128 	} else {
    129 		*pr->cchar = 'x';
    130 		(void)printf(pr->fmt, (int)*p);
    131 	}
    132 }
    133