freebsd-dev/usr.bin/hexdump/conv.c

139 lines
3.8 KiB
C
Raw Normal View History

1994-05-27 12:33:43 +00:00
/*
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
2001-12-02 12:09:41 +00:00
*
* $FreeBSD$
1994-05-27 12:33:43 +00:00
*/
#ifndef lint
2001-12-02 12:09:41 +00:00
static const char sccsid[] = "@(#)conv.c 8.1 (Berkeley) 6/6/93";
1994-05-27 12:33:43 +00:00
#endif /* not lint */
#include <sys/types.h>
#include <stdio.h>
#include <ctype.h>
#include "hexdump.h"
void
conv_c(pr, p)
PR *pr;
u_char *p;
{
extern int deprecated;
char buf[10], *str;
2001-12-02 12:09:41 +00:00
static char nul[] = "\\0";
static char alarm[] = "\\a";
static char backspace[] = "\\b";
static char formfeed[] = "\\f";
static char newline[] = "\\n";
static char carriageret[] = "\\r";
static char verticaltab[] = "\\v";
static char tab[] = "\\t";
1994-05-27 12:33:43 +00:00
switch(*p) {
case '\0':
2001-12-02 12:09:41 +00:00
str = nul;
1994-05-27 12:33:43 +00:00
goto strpr;
/* case '\a': */
case '\007':
if (deprecated) /* od didn't know about \a */
break;
2001-12-02 12:09:41 +00:00
str = alarm;
1994-05-27 12:33:43 +00:00
goto strpr;
case '\b':
2001-12-02 12:09:41 +00:00
str = backspace;
1994-05-27 12:33:43 +00:00
goto strpr;
case '\f':
2001-12-02 12:09:41 +00:00
str = formfeed;
1994-05-27 12:33:43 +00:00
goto strpr;
case '\n':
2001-12-02 12:09:41 +00:00
str = newline;
1994-05-27 12:33:43 +00:00
goto strpr;
case '\r':
2001-12-02 12:09:41 +00:00
str = carriageret;
1994-05-27 12:33:43 +00:00
goto strpr;
case '\t':
2001-12-02 12:09:41 +00:00
str = tab;
1994-05-27 12:33:43 +00:00
goto strpr;
case '\v':
if (deprecated)
break;
2001-12-02 12:09:41 +00:00
str = verticaltab;
1994-05-27 12:33:43 +00:00
goto strpr;
default:
break;
}
if (isprint(*p)) {
*pr->cchar = 'c';
(void)printf(pr->fmt, *p);
} else {
(void)sprintf(str = buf, "%03o", (int)*p);
strpr: *pr->cchar = 's';
(void)printf(pr->fmt, str);
}
}
void
conv_u(pr, p)
PR *pr;
u_char *p;
{
extern int deprecated;
2001-12-02 12:09:41 +00:00
static const char *list[] = {
1994-05-27 12:33:43 +00:00
"nul", "soh", "stx", "etx", "eot", "enq", "ack", "bel",
"bs", "ht", "lf", "vt", "ff", "cr", "so", "si",
"dle", "dcl", "dc2", "dc3", "dc4", "nak", "syn", "etb",
"can", "em", "sub", "esc", "fs", "gs", "rs", "us",
};
/* od used nl, not lf */
if (*p <= 0x1f) {
*pr->cchar = 's';
if (deprecated && *p == 0x0a)
(void)printf(pr->fmt, "nl");
else
(void)printf(pr->fmt, list[*p]);
} else if (*p == 0x7f) {
*pr->cchar = 's';
(void)printf(pr->fmt, "del");
} else if (deprecated && *p == 0x20) { /* od replaced space with sp */
*pr->cchar = 's';
(void)printf(pr->fmt, " sp");
} else if (isprint(*p)) {
*pr->cchar = 'c';
(void)printf(pr->fmt, *p);
} else {
*pr->cchar = 'x';
(void)printf(pr->fmt, (int)*p);
}
}