112 lines
3.1 KiB
C
112 lines
3.1 KiB
C
/*
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* Copyright (c) 1989 The Regents of the University of California.
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* 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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#include <stdio.h>
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#include <ctype.h>
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#include <sys/types.h>
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#include "hexdump.h"
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#include "xalloc.h"
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void
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conv_c(struct hexdump_pr *pr, u_char *p)
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{
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char *buf = NULL;
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char const *str;
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switch(*p) {
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case '\0':
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str = "\\0";
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goto strpr;
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/* case '\a': */
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case '\007':
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str = "\\a";
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goto strpr;
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case '\b':
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str = "\\b";
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goto strpr;
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case '\f':
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str = "\\f";
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goto strpr;
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case '\n':
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str = "\\n";
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goto strpr;
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case '\r':
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str = "\\r";
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goto strpr;
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case '\t':
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str = "\\t";
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goto strpr;
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case '\v':
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str = "\\v";
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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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printf(pr->fmt, *p);
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} else {
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xasprintf(&buf, "%03o", *p);
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str = buf;
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strpr: *pr->cchar = 's';
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printf(pr->fmt, str);
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}
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free(buf);
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}
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void
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conv_u(struct hexdump_pr *pr, u_char *p)
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{
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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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printf(pr->fmt, list[*p]);
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} else if (*p == 0x7f) {
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*pr->cchar = 's';
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printf(pr->fmt, "del");
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} else if (isprint(*p)) {
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*pr->cchar = 'c';
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printf(pr->fmt, *p);
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} else {
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*pr->cchar = 'x';
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printf(pr->fmt, *p);
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}
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}
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