fatbase

portable OpenBSD tools
git clone git@git.2f30.org/fatbase.git
Log | Files | Refs

conv.c (3358B)


      1 /*	$OpenBSD: conv.c,v 1.10 2014/04/19 09:28:20 sobrado 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 #include <sys/types.h>
     34 
     35 #include <stdio.h>
     36 #include <ctype.h>
     37 
     38 #include "hexdump.h"
     39 
     40 void
     41 conv_c(PR *pr, u_char *p)
     42 {
     43 	char buf[10];
     44 	char const *str;
     45 
     46 	switch(*p) {
     47 	case '\0':
     48 		str = "\\0";
     49 		goto strpr;
     50 	/* case '\a': */
     51 	case '\007':
     52 		if (odmode)		/* od didn't know about \a */
     53 			break;
     54 		str = "\\a";
     55 		goto strpr;
     56 	case '\b':
     57 		str = "\\b";
     58 		goto strpr;
     59 	case '\f':
     60 		str = "\\f";
     61 		goto strpr;
     62 	case '\n':
     63 		str = "\\n";
     64 		goto strpr;
     65 	case '\r':
     66 		str = "\\r";
     67 		goto strpr;
     68 	case '\t':
     69 		str = "\\t";
     70 		goto strpr;
     71 	case '\v':
     72 		if (odmode)
     73 			break;
     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)snprintf(buf, sizeof 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 const char *list[] = {
     94 		"nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel",
     95 		 "bs",  "ht",  "lf",  "vt",  "ff",  "cr",  "so",  "si",
     96 		"dle", "dc1", "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 }