401 lines
8.7 KiB
C
401 lines
8.7 KiB
C
/* $NetBSD: odsyntax.c,v 1.26 2010/02/09 14:06:37 drochner Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1990, 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. 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.
|
|
*/
|
|
|
|
#if HAVE_NBTOOL_CONFIG_H
|
|
#include "nbtool_config.h"
|
|
#endif
|
|
|
|
#include <sys/cdefs.h>
|
|
#if 0
|
|
#if !defined(lint)
|
|
#if 0
|
|
static char sccsid[] = "@(#)odsyntax.c 8.2 (Berkeley) 5/4/95";
|
|
#else
|
|
__RCSID("$NetBSD: odsyntax.c,v 1.26 2010/02/09 14:06:37 drochner Exp $");
|
|
#endif
|
|
#endif /* not lint */
|
|
#endif
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <ctype.h>
|
|
#include <err.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <util.h>
|
|
|
|
#include "hexdump.h"
|
|
|
|
#define PADDING " "
|
|
|
|
struct odformat {
|
|
char type;
|
|
int nbytes;
|
|
char const *format;
|
|
int minwidth;
|
|
};
|
|
|
|
struct odaddrformat {
|
|
char type;
|
|
char const *format1;
|
|
char const *format2;
|
|
};
|
|
|
|
int odmode;
|
|
|
|
static void odoffset(int, char ***);
|
|
static void posixtypes(char const *);
|
|
|
|
void
|
|
odsyntax(int argc, char ***argvp)
|
|
{
|
|
static char empty[] = "", padding[] = PADDING;
|
|
int ch;
|
|
char *p, **argv;
|
|
|
|
#define TYPE_OFFSET 7
|
|
add("\"%07.7_Ao\n\"");
|
|
add("\"%07.7_ao \"");
|
|
|
|
odmode = 1;
|
|
argv = *argvp;
|
|
while ((ch = getopt(argc, argv,
|
|
"A:aBbcDdeFfHhIij:LlN:Oot:vXx")) != -1)
|
|
switch (ch) {
|
|
case 'A':
|
|
switch (*optarg) {
|
|
case 'd': case 'o': case 'x':
|
|
fshead->nextfu->fmt[TYPE_OFFSET] = *optarg;
|
|
fshead->nextfs->nextfu->fmt[TYPE_OFFSET] =
|
|
*optarg;
|
|
break;
|
|
case 'n':
|
|
fshead->nextfu->fmt = empty;
|
|
fshead->nextfs->nextfu->fmt = padding;
|
|
break;
|
|
default:
|
|
errx(1, "%s: invalid address base", optarg);
|
|
}
|
|
break;
|
|
case 'a':
|
|
posixtypes("a");
|
|
break;
|
|
case 'B':
|
|
case 'o':
|
|
posixtypes("o2");
|
|
break;
|
|
case 'b':
|
|
posixtypes("o1");
|
|
break;
|
|
case 'c':
|
|
posixtypes("c");
|
|
break;
|
|
case 'd':
|
|
posixtypes("u2");
|
|
break;
|
|
case 'D':
|
|
posixtypes("u4");
|
|
break;
|
|
case 'e': /* undocumented in od */
|
|
case 'F':
|
|
posixtypes("f8");
|
|
break;
|
|
case 'f':
|
|
posixtypes("f4");
|
|
break;
|
|
case 'H':
|
|
case 'X':
|
|
posixtypes("x4");
|
|
break;
|
|
case 'h':
|
|
case 'x':
|
|
posixtypes("x2");
|
|
break;
|
|
case 'I':
|
|
case 'L':
|
|
case 'l':
|
|
posixtypes("d4");
|
|
break;
|
|
case 'i':
|
|
posixtypes("d2");
|
|
break;
|
|
case 'j':
|
|
if ((skip = strtol(optarg, &p, 0)) < 0)
|
|
errx(1, "%s: bad skip value", optarg);
|
|
switch(*p) {
|
|
case 'b':
|
|
skip *= 512;
|
|
break;
|
|
case 'k':
|
|
skip *= 1024;
|
|
break;
|
|
case 'm':
|
|
skip *= 1048576;
|
|
break;
|
|
}
|
|
break;
|
|
case 'N':
|
|
if ((length = atoi(optarg)) < 0)
|
|
errx(1, "%s: bad length value", optarg);
|
|
break;
|
|
case 'O':
|
|
posixtypes("o4");
|
|
break;
|
|
case 't':
|
|
posixtypes(optarg);
|
|
break;
|
|
case 'v':
|
|
vflag = ALL;
|
|
break;
|
|
case '?':
|
|
default:
|
|
usage();
|
|
}
|
|
|
|
if (fshead->nextfs->nextfs == NULL)
|
|
posixtypes("oS");
|
|
|
|
argc -= optind;
|
|
*argvp += optind;
|
|
|
|
if (argc)
|
|
odoffset(argc, argvp);
|
|
}
|
|
|
|
/* formats used for -t */
|
|
|
|
static const struct odformat odftab[] = {
|
|
{ 'a', 1, "%3_u", 4 },
|
|
{ 'c', 1, "%3_c", 4 },
|
|
{ 'd', 1, "%4d", 5 },
|
|
{ 'd', 2, "%6d", 6 },
|
|
{ 'd', 4, "%11d", 11 },
|
|
{ 'd', 8, "%20d", 20 },
|
|
{ 'o', 1, "%03o", 4 },
|
|
{ 'o', 2, "%06o", 7 },
|
|
{ 'o', 4, "%011o", 12 },
|
|
{ 'o', 8, "%022o", 23 },
|
|
{ 'u', 1, "%03u" , 4 },
|
|
{ 'u', 2, "%05u" , 6 },
|
|
{ 'u', 4, "%010u", 11 },
|
|
{ 'u', 8, "%020u", 21 },
|
|
{ 'x', 1, "%02x", 3 },
|
|
{ 'x', 2, "%04x", 5 },
|
|
{ 'x', 4, "%08x", 9 },
|
|
{ 'x', 8, "%016x", 17 },
|
|
{ 'f', 4, "%14.7e", 15 },
|
|
{ 'f', 8, "%21.14e", 22 },
|
|
{ 0, 0, NULL, 0 }
|
|
};
|
|
|
|
/*
|
|
* Interpret a POSIX-style -t argument.
|
|
*/
|
|
static void
|
|
posixtypes(char const *type_string)
|
|
{
|
|
int nbytes = 0;
|
|
char *fmt, type, *tmp;
|
|
struct odformat const *odf;
|
|
|
|
while (*type_string) {
|
|
switch ((type = *type_string++)) {
|
|
case 'a':
|
|
case 'c':
|
|
nbytes = 1;
|
|
break;
|
|
case 'f':
|
|
if (isupper((unsigned char)*type_string)) {
|
|
switch(*type_string) {
|
|
case 'F':
|
|
nbytes = sizeof(float);
|
|
break;
|
|
case 'D':
|
|
nbytes = sizeof(double);
|
|
break;
|
|
case 'L':
|
|
nbytes = sizeof(long double);
|
|
break;
|
|
default:
|
|
warnx("Bad type-size qualifier '%c'",
|
|
*type_string);
|
|
usage();
|
|
}
|
|
type_string++;
|
|
} else if (isdigit((unsigned char)*type_string)) {
|
|
nbytes = strtol(type_string, &tmp, 10);
|
|
type_string = tmp;
|
|
} else
|
|
nbytes = 8;
|
|
break;
|
|
case 'd':
|
|
case 'o':
|
|
case 'u':
|
|
case 'x':
|
|
if (isupper((unsigned char)*type_string)) {
|
|
switch(*type_string) {
|
|
case 'C':
|
|
nbytes = sizeof(char);
|
|
break;
|
|
case 'S':
|
|
nbytes = sizeof(short);
|
|
break;
|
|
case 'I':
|
|
nbytes = sizeof(int);
|
|
break;
|
|
case 'L':
|
|
nbytes = sizeof(long);
|
|
break;
|
|
default:
|
|
warnx("Bad type-size qualifier '%c'",
|
|
*type_string);
|
|
usage();
|
|
}
|
|
type_string++;
|
|
} else if (isdigit((unsigned char)*type_string)) {
|
|
nbytes = strtol(type_string, &tmp, 10);
|
|
type_string = tmp;
|
|
} else
|
|
nbytes = 4;
|
|
break;
|
|
default:
|
|
usage();
|
|
}
|
|
for (odf = odftab; odf->type != 0; odf++)
|
|
if (odf->type == type && odf->nbytes == nbytes)
|
|
break;
|
|
if (odf->type == 0)
|
|
errx(1, "%c%d: format not supported", type, nbytes);
|
|
(void)easprintf(&fmt, "%d/%d \"%*s%s \" \"\\n\"",
|
|
16 / nbytes, nbytes,
|
|
4 * nbytes - odf->minwidth, "", odf->format);
|
|
add(fmt);
|
|
}
|
|
}
|
|
|
|
static void
|
|
odoffset(int argc, char ***argvp)
|
|
{
|
|
char *num, *p;
|
|
int base;
|
|
char *end;
|
|
|
|
/*
|
|
* The offset syntax of od(1) was genuinely bizarre. First, if
|
|
* it started with a plus it had to be an offset. Otherwise, if
|
|
* there were at least two arguments, a number or lower-case 'x'
|
|
* followed by a number makes it an offset. By default it was
|
|
* octal; if it started with 'x' or '0x' it was hex. If it ended
|
|
* in a '.', it was decimal. If a 'b' or 'B' was appended, it
|
|
* multiplied the number by 512 or 1024 byte units. There was
|
|
* no way to assign a block count to a hex offset.
|
|
*
|
|
* We assume it's a file if the offset is bad.
|
|
*/
|
|
p = argc == 1 ? (*argvp)[0] : (*argvp)[1];
|
|
if (!p)
|
|
return;
|
|
|
|
if (*p != '+' && (argc < 2 ||
|
|
(!isdigit((unsigned char)p[0]) &&
|
|
(p[0] != 'x' || !isxdigit((unsigned char)p[1])))))
|
|
return;
|
|
|
|
base = 0;
|
|
/*
|
|
* skip over leading '+', 'x[0-9a-fA-f]' or '0x', and
|
|
* set base.
|
|
*/
|
|
if (p[0] == '+')
|
|
++p;
|
|
if (p[0] == 'x' && isxdigit((unsigned char)p[1])) {
|
|
++p;
|
|
base = 16;
|
|
} else if (p[0] == '0' && p[1] == 'x') {
|
|
p += 2;
|
|
base = 16;
|
|
}
|
|
|
|
/* skip over the number */
|
|
if (base == 16)
|
|
for (num = p; isxdigit((unsigned char)*p); ++p);
|
|
else
|
|
for (num = p; isdigit((unsigned char)*p); ++p);
|
|
|
|
/* check for no number */
|
|
if (num == p)
|
|
return;
|
|
|
|
/* if terminates with a '.', base is decimal */
|
|
if (*p == '.') {
|
|
if (base)
|
|
return;
|
|
base = 10;
|
|
}
|
|
|
|
skip = strtol(num, &end, base ? base : 8);
|
|
|
|
/* if end isn't the same as p, we got a non-octal digit */
|
|
if (end != p) {
|
|
skip = 0;
|
|
return;
|
|
}
|
|
|
|
if (*p) {
|
|
if (*p == 'B') {
|
|
skip *= 1024;
|
|
++p;
|
|
} else if (*p == 'b') {
|
|
skip *= 512;
|
|
++p;
|
|
}
|
|
}
|
|
if (*p) {
|
|
skip = 0;
|
|
return;
|
|
}
|
|
/*
|
|
* If the offset uses a non-octal base, the base of the offset
|
|
* is changed as well. This isn't pretty, but it's easy.
|
|
*/
|
|
if (base == 16) {
|
|
fshead->nextfu->fmt[TYPE_OFFSET] = 'x';
|
|
fshead->nextfs->nextfu->fmt[TYPE_OFFSET] = 'x';
|
|
} else if (base == 10) {
|
|
fshead->nextfu->fmt[TYPE_OFFSET] = 'd';
|
|
fshead->nextfs->nextfu->fmt[TYPE_OFFSET] = 'd';
|
|
}
|
|
|
|
/* Terminate file list. */
|
|
(*argvp)[1] = NULL;
|
|
}
|