139 lines
3.8 KiB
C
139 lines
3.8 KiB
C
/*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef lint
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static const char sccsid[] = "@(#)conv.c 8.1 (Berkeley) 6/6/93";
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#endif /* not lint */
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#include <sys/types.h>
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#include <stdio.h>
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#include <ctype.h>
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#include "hexdump.h"
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void
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conv_c(pr, p)
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PR *pr;
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u_char *p;
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{
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extern int deprecated;
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char buf[10], *str;
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static char nul[] = "\\0";
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static char alarm[] = "\\a";
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static char backspace[] = "\\b";
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static char formfeed[] = "\\f";
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static char newline[] = "\\n";
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static char carriageret[] = "\\r";
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static char verticaltab[] = "\\v";
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static char tab[] = "\\t";
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switch(*p) {
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case '\0':
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str = nul;
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goto strpr;
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/* case '\a': */
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case '\007':
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if (deprecated) /* od didn't know about \a */
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break;
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str = alarm;
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goto strpr;
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case '\b':
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str = backspace;
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goto strpr;
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case '\f':
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str = formfeed;
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goto strpr;
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case '\n':
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str = newline;
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goto strpr;
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case '\r':
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str = carriageret;
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goto strpr;
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case '\t':
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str = tab;
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goto strpr;
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case '\v':
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if (deprecated)
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break;
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str = verticaltab;
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goto strpr;
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default:
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break;
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}
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if (isprint(*p)) {
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*pr->cchar = 'c';
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(void)printf(pr->fmt, *p);
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} else {
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(void)sprintf(str = buf, "%03o", (int)*p);
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strpr: *pr->cchar = 's';
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(void)printf(pr->fmt, str);
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}
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}
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void
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conv_u(pr, p)
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PR *pr;
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u_char *p;
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{
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extern int deprecated;
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static const char *list[] = {
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"nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel",
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"bs", "ht", "lf", "vt", "ff", "cr", "so", "si",
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"dle", "dcl", "dc2", "dc3", "dc4", "nak", "syn", "etb",
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"can", "em", "sub", "esc", "fs", "gs", "rs", "us",
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};
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/* od used nl, not lf */
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if (*p <= 0x1f) {
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*pr->cchar = 's';
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if (deprecated && *p == 0x0a)
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(void)printf(pr->fmt, "nl");
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else
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(void)printf(pr->fmt, list[*p]);
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} else if (*p == 0x7f) {
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*pr->cchar = 's';
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(void)printf(pr->fmt, "del");
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} else if (deprecated && *p == 0x20) { /* od replaced space with sp */
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*pr->cchar = 's';
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(void)printf(pr->fmt, " sp");
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} else if (isprint(*p)) {
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*pr->cchar = 'c';
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(void)printf(pr->fmt, *p);
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} else {
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*pr->cchar = 'x';
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(void)printf(pr->fmt, (int)*p);
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}
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}
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