269 lines
6.2 KiB
C
269 lines
6.2 KiB
C
/*-
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* Copyright (c) 1990, 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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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)odsyntax.c 8.2 (Berkeley) 5/4/95";
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#endif
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static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
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#include <sys/types.h>
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#include <ctype.h>
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#include <err.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "hexdump.h"
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int deprecated;
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static void odoffset __P((int, char ***));
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static void odprecede __P((void));
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void
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oldsyntax(argc, argvp)
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int argc;
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char ***argvp;
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{
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extern enum _vflag vflag;
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extern FS *fshead;
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int ch;
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char **argv;
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deprecated = 1;
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argv = *argvp;
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while ((ch = getopt(argc, argv, "aBbcDdeFfHhIiLlOoPpswvXx")) != -1)
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switch (ch) {
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case 'a':
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odprecede();
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add("16/1 \"%3_u \" \"\\n\"");
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break;
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case 'B':
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case 'o':
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odprecede();
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add("8/2 \" %06o \" \"\\n\"");
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break;
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case 'b':
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odprecede();
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add("16/1 \"%03o \" \"\\n\"");
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break;
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case 'c':
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odprecede();
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add("16/1 \"%3_c \" \"\\n\"");
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break;
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case 'd':
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odprecede();
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add("8/2 \" %05u \" \"\\n\"");
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break;
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case 'D':
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odprecede();
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add("4/4 \" %010u \" \"\\n\"");
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break;
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case 'e': /* undocumented in od */
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case 'F':
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odprecede();
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add("2/8 \" %21.14e \" \"\\n\"");
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break;
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case 'f':
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odprecede();
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add("4/4 \" %14.7e \" \"\\n\"");
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break;
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case 'H':
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case 'X':
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odprecede();
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add("4/4 \" %08x \" \"\\n\"");
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break;
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case 'h':
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case 'x':
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odprecede();
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add("8/2 \" %04x \" \"\\n\"");
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break;
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case 'I':
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case 'L':
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case 'l':
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odprecede();
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add("4/4 \" %11d \" \"\\n\"");
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break;
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case 'i':
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odprecede();
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add("8/2 \" %6d \" \"\\n\"");
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break;
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case 'O':
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odprecede();
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add("4/4 \" %011o \" \"\\n\"");
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break;
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case 'v':
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vflag = ALL;
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break;
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case 'P':
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case 'p':
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case 's':
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case 'w':
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case '?':
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default:
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warnx("od(1) has been deprecated for hexdump(1)");
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if (ch != '?')
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warnx("hexdump(1) compatibility doesn't support the -%c option%s",
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ch, ch == 's' ? "; see strings(1)" : "");
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usage();
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}
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if (!fshead) {
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add("\"%07.7_Ao\n\"");
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add("\"%07.7_ao \" 8/2 \"%06o \" \"\\n\"");
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}
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argc -= optind;
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*argvp += optind;
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if (argc)
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odoffset(argc, argvp);
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}
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static void
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odoffset(argc, argvp)
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int argc;
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char ***argvp;
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{
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extern off_t skip;
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unsigned char *p, *num, *end;
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int base;
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/*
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* The offset syntax of od(1) was genuinely bizarre. First, if
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* it started with a plus it had to be an offset. Otherwise, if
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* there were at least two arguments, a number or lower-case 'x'
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* followed by a number makes it an offset. By default it was
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* octal; if it started with 'x' or '0x' it was hex. If it ended
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* in a '.', it was decimal. If a 'b' or 'B' was appended, it
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* multiplied the number by 512 or 1024 byte units. There was
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* no way to assign a block count to a hex offset.
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*
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* We assume it's a file if the offset is bad.
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*/
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p = argc == 1 ? (*argvp)[0] : (*argvp)[1];
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if (*p != '+' && (argc < 2 ||
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(!isdigit(p[0]) && (p[0] != 'x' || !isxdigit(p[1])))))
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return;
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base = 0;
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/*
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* skip over leading '+', 'x[0-9a-fA-f]' or '0x', and
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* set base.
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*/
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if (p[0] == '+')
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++p;
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if (p[0] == 'x' && isxdigit(p[1])) {
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++p;
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base = 16;
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} else if (p[0] == '0' && p[1] == 'x') {
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p += 2;
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base = 16;
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}
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/* skip over the number */
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if (base == 16)
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for (num = p; isxdigit(*p); ++p);
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else
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for (num = p; isdigit(*p); ++p);
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/* check for no number */
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if (num == p)
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return;
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/* if terminates with a '.', base is decimal */
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if (*p == '.') {
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if (base)
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return;
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base = 10;
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}
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skip = strtol(num, (char **)&end, base ? base : 8);
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/* if end isn't the same as p, we got a non-octal digit */
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if (end != p) {
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skip = 0;
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return;
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}
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if (*p) {
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if (*p == 'B') {
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skip *= 1024;
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++p;
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} else if (*p == 'b') {
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skip *= 512;
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++p;
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}
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}
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if (*p) {
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skip = 0;
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return;
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}
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/*
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* If the offset uses a non-octal base, the base of the offset
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* is changed as well. This isn't pretty, but it's easy.
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*/
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#define TYPE_OFFSET 7
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if (base == 16) {
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fshead->nextfu->fmt[TYPE_OFFSET] = 'x';
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fshead->nextfs->nextfu->fmt[TYPE_OFFSET] = 'x';
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} else if (base == 10) {
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fshead->nextfu->fmt[TYPE_OFFSET] = 'd';
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fshead->nextfs->nextfu->fmt[TYPE_OFFSET] = 'd';
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}
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/* Terminate file list. */
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(*argvp)[1] = NULL;
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}
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static void
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odprecede()
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{
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static int first = 1;
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if (first) {
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first = 0;
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add("\"%07.7_Ao\n\"");
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add("\"%07.7_ao \"");
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} else
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add("\" \"");
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}
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