2006-07-02 19:47:05 +00:00
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/* vi: set sw=4 ts=4: */
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2001-11-02 11:39:46 +00:00
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/*
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* Support code for the hexdump and od applets,
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* based on code from util-linux v 2.11l
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*
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* Copyright (c) 1989
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* The Regents of the University of California. All rights reserved.
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*
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2006-01-31 17:57:48 +00:00
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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2001-11-02 11:39:46 +00:00
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*
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* Original copyright notice is retained at the end of this file.
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*/
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2006-06-18 20:20:07 +00:00
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#include "libbb.h"
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2003-03-19 09:13:01 +00:00
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#include "dump.h"
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2001-11-02 11:39:46 +00:00
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2003-03-19 09:13:01 +00:00
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enum _vflag bb_dump_vflag = FIRST;
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FS *bb_dump_fshead; /* head of format strings */
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2001-11-02 11:39:46 +00:00
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static FU *endfu;
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static char **_argv;
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2002-08-22 18:41:20 +00:00
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static off_t savaddress; /* saved address/offset in stream */
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static off_t eaddress; /* end address */
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static off_t address; /* address/offset in stream */
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2003-03-19 09:13:01 +00:00
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off_t bb_dump_skip; /* bytes to skip */
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static int exitval; /* final exit value */
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int bb_dump_blocksize; /* data block size */
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int bb_dump_length = -1; /* max bytes to read */
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2007-08-12 20:58:27 +00:00
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static const char index_str[] ALIGN1 = ".#-+ 0123456789";
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2001-11-02 11:39:46 +00:00
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2007-08-12 20:58:27 +00:00
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static const char size_conv_str[] ALIGN1 =
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2003-03-19 09:13:01 +00:00
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"\x1\x4\x4\x4\x4\x4\x4\x8\x8\x8\x8\010cdiouxXeEfgG";
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2001-11-02 11:39:46 +00:00
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2007-08-12 20:58:27 +00:00
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static const char lcc[] ALIGN1 = "diouxX";
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2003-03-19 09:13:01 +00:00
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int bb_dump_size(FS * fs)
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2001-11-02 11:39:46 +00:00
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{
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2006-07-01 13:08:46 +00:00
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FU *fu;
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int bcnt, cur_size;
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char *fmt;
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2003-03-19 09:13:01 +00:00
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const char *p;
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2001-11-02 11:39:46 +00:00
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int prec;
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2003-03-19 09:13:01 +00:00
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/* figure out the data block bb_dump_size needed for each format unit */
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for (cur_size = 0, fu = fs->nextfu; fu; fu = fu->nextfu) {
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2001-11-02 11:39:46 +00:00
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if (fu->bcnt) {
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2003-03-19 09:13:01 +00:00
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cur_size += fu->bcnt * fu->reps;
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2001-11-02 11:39:46 +00:00
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continue;
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}
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for (bcnt = prec = 0, fmt = fu->fmt; *fmt; ++fmt) {
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if (*fmt != '%')
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continue;
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/*
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2003-03-19 09:13:01 +00:00
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* bb_dump_skip any special chars -- save precision in
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2001-11-02 11:39:46 +00:00
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* case it's a %s format.
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*/
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2003-03-19 09:13:01 +00:00
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while (strchr(index_str + 1, *++fmt));
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2001-11-02 11:39:46 +00:00
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if (*fmt == '.' && isdigit(*++fmt)) {
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prec = atoi(fmt);
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while (isdigit(*++fmt));
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}
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2007-11-06 03:05:54 +00:00
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p = strchr(size_conv_str + 12, *fmt);
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if (!p) {
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2003-03-19 09:13:01 +00:00
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if (*fmt == 's') {
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bcnt += prec;
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} else if (*fmt == '_') {
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++fmt;
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if ((*fmt == 'c') || (*fmt == 'p') || (*fmt == 'u')) {
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bcnt += 1;
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}
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2001-11-02 11:39:46 +00:00
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}
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2003-03-19 09:13:01 +00:00
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} else {
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bcnt += size_conv_str[p - (size_conv_str + 12)];
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2001-11-02 11:39:46 +00:00
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}
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}
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2003-03-19 09:13:01 +00:00
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cur_size += bcnt * fu->reps;
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2001-11-02 11:39:46 +00:00
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}
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2006-11-27 16:49:55 +00:00
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return cur_size;
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2001-11-02 11:39:46 +00:00
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}
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2003-03-19 09:13:01 +00:00
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static void rewrite(FS * fs)
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2001-11-02 11:39:46 +00:00
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{
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enum { NOTOKAY, USEBCNT, USEPREC } sokay;
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2006-06-18 20:20:07 +00:00
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PR *pr, **nextpr = NULL;
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FU *fu;
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char *p1, *p2, *p3;
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2001-11-02 11:39:46 +00:00
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char savech, *fmtp;
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2003-03-19 09:13:01 +00:00
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const char *byte_count_str;
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2001-11-02 11:39:46 +00:00
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int nconv, prec = 0;
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for (fu = fs->nextfu; fu; fu = fu->nextfu) {
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/*
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* break each format unit into print units; each
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* conversion character gets its own.
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*/
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for (nconv = 0, fmtp = fu->fmt; *fmtp; nextpr = &pr->nextpr) {
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/* NOSTRICT */
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2003-04-19 23:18:35 +00:00
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/* DBU:[dvae@cray.com] calloc so that forward ptrs start out NULL*/
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2006-06-18 20:20:07 +00:00
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pr = xzalloc(sizeof(PR));
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2001-11-02 11:39:46 +00:00
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if (!fu->nextpr)
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fu->nextpr = pr;
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2003-04-19 23:18:35 +00:00
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/* ignore nextpr -- its unused inside the loop and is
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* uninitialized 1st time thru.
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*/
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2001-11-02 11:39:46 +00:00
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2003-03-19 09:13:01 +00:00
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/* bb_dump_skip preceding text and up to the next % sign */
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2001-11-02 11:39:46 +00:00
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for (p1 = fmtp; *p1 && *p1 != '%'; ++p1);
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/* only text in the string */
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if (!*p1) {
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pr->fmt = fmtp;
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pr->flags = F_TEXT;
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break;
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}
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/*
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* get precision for %s -- if have a byte count, don't
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* need it.
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*/
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if (fu->bcnt) {
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sokay = USEBCNT;
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2003-03-19 09:13:01 +00:00
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/* bb_dump_skip to conversion character */
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for (++p1; strchr(index_str, *p1); ++p1);
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2001-11-02 11:39:46 +00:00
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} else {
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2003-03-19 09:13:01 +00:00
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/* bb_dump_skip any special chars, field width */
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while (strchr(index_str + 1, *++p1));
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2001-11-02 11:39:46 +00:00
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if (*p1 == '.' && isdigit(*++p1)) {
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sokay = USEPREC;
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prec = atoi(p1);
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while (isdigit(*++p1));
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2002-08-22 18:41:20 +00:00
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} else
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2001-11-02 11:39:46 +00:00
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sokay = NOTOKAY;
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}
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2002-08-22 18:41:20 +00:00
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p2 = p1 + 1; /* set end pointer */
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2001-11-02 11:39:46 +00:00
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/*
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* figure out the byte count for each conversion;
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* rewrite the format as necessary, set up blank-
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2003-03-19 09:13:01 +00:00
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* pbb_dump_adding for end of data.
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2001-11-02 11:39:46 +00:00
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*/
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2003-03-19 09:13:01 +00:00
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if (*p1 == 'c') {
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2001-11-02 11:39:46 +00:00
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pr->flags = F_CHAR;
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2003-03-19 09:13:01 +00:00
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DO_BYTE_COUNT_1:
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byte_count_str = "\001";
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DO_BYTE_COUNT:
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if (fu->bcnt) {
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do {
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if (fu->bcnt == *byte_count_str) {
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break;
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}
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} while (*++byte_count_str);
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2001-11-02 11:39:46 +00:00
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}
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2003-03-19 09:13:01 +00:00
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/* Unlike the original, output the remainder of the format string. */
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if (!*byte_count_str) {
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2006-10-27 09:02:31 +00:00
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bb_error_msg_and_die("bad byte count for conversion character %s", p1);
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2003-03-19 09:13:01 +00:00
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}
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pr->bcnt = *byte_count_str;
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} else if (*p1 == 'l') {
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2001-11-02 11:39:46 +00:00
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++p2;
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2003-03-19 09:13:01 +00:00
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++p1;
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DO_INT_CONV:
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{
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const char *e;
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2007-11-06 03:05:54 +00:00
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e = strchr(lcc, *p1);
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if (!e) {
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2003-03-19 09:13:01 +00:00
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goto DO_BAD_CONV_CHAR;
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}
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2001-11-02 11:39:46 +00:00
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pr->flags = F_INT;
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2003-03-19 09:13:01 +00:00
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if (e > lcc + 1) {
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pr->flags = F_UINT;
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}
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byte_count_str = "\004\002\001";
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goto DO_BYTE_COUNT;
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2001-11-02 11:39:46 +00:00
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}
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/* NOTREACHED */
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2003-03-19 09:13:01 +00:00
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} else if (strchr(lcc, *p1)) {
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goto DO_INT_CONV;
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} else if (strchr("eEfgG", *p1)) {
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2001-11-02 11:39:46 +00:00
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pr->flags = F_DBL;
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2003-03-19 09:13:01 +00:00
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byte_count_str = "\010\004";
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goto DO_BYTE_COUNT;
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} else if (*p1 == 's') {
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2001-11-02 11:39:46 +00:00
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pr->flags = F_STR;
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2003-03-19 09:13:01 +00:00
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if (sokay == USEBCNT) {
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2001-11-02 11:39:46 +00:00
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pr->bcnt = fu->bcnt;
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2003-03-19 09:13:01 +00:00
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} else if (sokay == USEPREC) {
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2001-11-02 11:39:46 +00:00
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pr->bcnt = prec;
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2003-03-19 09:13:01 +00:00
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} else { /* NOTOKAY */
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2006-10-27 09:02:31 +00:00
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bb_error_msg_and_die("%%s requires a precision or a byte count");
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2001-11-02 11:39:46 +00:00
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}
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2003-03-19 09:13:01 +00:00
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} else if (*p1 == '_') {
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2001-11-02 11:39:46 +00:00
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++p2;
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2002-08-22 18:41:20 +00:00
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switch (p1[1]) {
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2001-11-02 11:39:46 +00:00
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case 'A':
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endfu = fu;
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fu->flags |= F_IGNORE;
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/* FALLTHROUGH */
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case 'a':
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pr->flags = F_ADDRESS;
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++p2;
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2003-03-19 09:13:01 +00:00
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if ((p1[2] != 'd') && (p1[2] != 'o') && (p1[2] != 'x')) {
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goto DO_BAD_CONV_CHAR;
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2001-11-02 11:39:46 +00:00
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}
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2003-03-19 09:13:01 +00:00
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*p1 = p1[2];
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2001-11-02 11:39:46 +00:00
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break;
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case 'c':
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pr->flags = F_C;
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2002-08-22 18:41:20 +00:00
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/* *p1 = 'c'; set in conv_c */
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2003-03-19 09:13:01 +00:00
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goto DO_BYTE_COUNT_1;
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2001-11-02 11:39:46 +00:00
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case 'p':
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pr->flags = F_P;
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*p1 = 'c';
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2003-03-19 09:13:01 +00:00
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goto DO_BYTE_COUNT_1;
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2001-11-02 11:39:46 +00:00
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case 'u':
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pr->flags = F_U;
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2002-08-22 18:41:20 +00:00
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/* *p1 = 'c'; set in conv_u */
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2003-03-19 09:13:01 +00:00
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goto DO_BYTE_COUNT_1;
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2001-11-02 11:39:46 +00:00
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default:
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2003-03-19 09:13:01 +00:00
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goto DO_BAD_CONV_CHAR;
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2001-11-02 11:39:46 +00:00
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}
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2003-03-19 09:13:01 +00:00
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} else {
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DO_BAD_CONV_CHAR:
|
2006-10-27 09:02:31 +00:00
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bb_error_msg_and_die("bad conversion character %%%s", p1);
|
2001-11-02 11:39:46 +00:00
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}
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/*
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* copy to PR format string, set conversion character
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* pointer, update original.
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*/
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savech = *p2;
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p1[1] = '\0';
|
2006-08-03 15:41:12 +00:00
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pr->fmt = xstrdup(fmtp);
|
2001-11-02 11:39:46 +00:00
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*p2 = savech;
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pr->cchar = pr->fmt + (p1 - fmtp);
|
2003-04-19 23:18:35 +00:00
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/* DBU:[dave@cray.com] w/o this, trailing fmt text, space is lost.
|
2004-03-15 08:29:22 +00:00
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* Skip subsequent text and up to the next % sign and tack the
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* additional text onto fmt: eg. if fmt is "%x is a HEX number",
|
2003-04-19 23:18:35 +00:00
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* we lose the " is a HEX number" part of fmt.
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*/
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for (p3 = p2; *p3 && *p3 != '%'; p3++);
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if (p3 > p2)
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{
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savech = *p3;
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|
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*p3 = '\0';
|
2006-06-18 20:20:07 +00:00
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|
pr->fmt = xrealloc(pr->fmt, strlen(pr->fmt)+(p3-p2)+1);
|
2003-04-19 23:18:35 +00:00
|
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strcat(pr->fmt, p2);
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*p3 = savech;
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p2 = p3;
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}
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|
|
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|
2001-11-02 11:39:46 +00:00
|
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|
fmtp = p2;
|
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|
|
|
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|
/* only one conversion character if byte count */
|
2002-08-22 18:41:20 +00:00
|
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|
if (!(pr->flags & F_ADDRESS) && fu->bcnt && nconv++) {
|
2006-10-27 09:02:31 +00:00
|
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|
bb_error_msg_and_die("byte count with multiple conversion characters");
|
2001-11-02 11:39:46 +00:00
|
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}
|
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}
|
|
|
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/*
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|
|
|
* if format unit byte count not specified, figure it out
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|
|
|
* so can adjust rep count later.
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|
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*/
|
|
|
|
if (!fu->bcnt)
|
|
|
|
for (pr = fu->nextpr; pr; pr = pr->nextpr)
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|
fu->bcnt += pr->bcnt;
|
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|
}
|
|
|
|
/*
|
|
|
|
* if the format string interprets any data at all, and it's
|
2003-03-19 09:13:01 +00:00
|
|
|
* not the same as the bb_dump_blocksize, and its last format unit
|
2001-11-02 11:39:46 +00:00
|
|
|
* interprets any data at all, and has no iteration count,
|
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|
|
* repeat it as necessary.
|
|
|
|
*
|
|
|
|
* if, rep count is greater than 1, no trailing whitespace
|
|
|
|
* gets output from the last iteration of the format unit.
|
|
|
|
*/
|
|
|
|
for (fu = fs->nextfu;; fu = fu->nextfu) {
|
2003-03-19 09:13:01 +00:00
|
|
|
if (!fu->nextfu && fs->bcnt < bb_dump_blocksize &&
|
2002-08-22 18:41:20 +00:00
|
|
|
!(fu->flags & F_SETREP) && fu->bcnt)
|
2003-03-19 09:13:01 +00:00
|
|
|
fu->reps += (bb_dump_blocksize - fs->bcnt) / fu->bcnt;
|
2001-11-02 11:39:46 +00:00
|
|
|
if (fu->reps > 1) {
|
|
|
|
for (pr = fu->nextpr;; pr = pr->nextpr)
|
|
|
|
if (!pr->nextpr)
|
|
|
|
break;
|
|
|
|
for (p1 = pr->fmt, p2 = NULL; *p1; ++p1)
|
|
|
|
p2 = isspace(*p1) ? p1 : NULL;
|
|
|
|
if (p2)
|
|
|
|
pr->nospace = p2;
|
|
|
|
}
|
|
|
|
if (!fu->nextfu)
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2007-01-29 22:51:25 +00:00
|
|
|
static void do_skip(const char *fname, int statok)
|
2001-11-02 11:39:46 +00:00
|
|
|
{
|
|
|
|
struct stat sbuf;
|
|
|
|
|
|
|
|
if (statok) {
|
2004-03-27 10:02:48 +00:00
|
|
|
if (fstat(STDIN_FILENO, &sbuf)) {
|
2007-10-01 11:58:38 +00:00
|
|
|
bb_simple_perror_msg_and_die(fname);
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
2002-08-22 18:41:20 +00:00
|
|
|
if ((!(S_ISCHR(sbuf.st_mode) ||
|
|
|
|
S_ISBLK(sbuf.st_mode) ||
|
2003-03-19 09:13:01 +00:00
|
|
|
S_ISFIFO(sbuf.st_mode))) && bb_dump_skip >= sbuf.st_size) {
|
|
|
|
/* If bb_dump_size valid and bb_dump_skip >= size */
|
|
|
|
bb_dump_skip -= sbuf.st_size;
|
2001-11-02 11:39:46 +00:00
|
|
|
address += sbuf.st_size;
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
2003-03-19 09:13:01 +00:00
|
|
|
if (fseek(stdin, bb_dump_skip, SEEK_SET)) {
|
2007-10-01 11:58:38 +00:00
|
|
|
bb_simple_perror_msg_and_die(fname);
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
2003-03-19 09:13:01 +00:00
|
|
|
savaddress = address += bb_dump_skip;
|
|
|
|
bb_dump_skip = 0;
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
|
|
|
|
2003-03-19 09:13:01 +00:00
|
|
|
static int next(char **argv)
|
2001-11-02 11:39:46 +00:00
|
|
|
{
|
2007-06-21 12:43:45 +00:00
|
|
|
static smallint done;
|
|
|
|
|
2001-11-02 11:39:46 +00:00
|
|
|
int statok;
|
|
|
|
|
|
|
|
if (argv) {
|
|
|
|
_argv = argv;
|
2006-11-27 16:49:31 +00:00
|
|
|
return 1;
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
|
|
|
for (;;) {
|
|
|
|
if (*_argv) {
|
|
|
|
if (!(freopen(*_argv, "r", stdin))) {
|
2007-10-01 11:58:38 +00:00
|
|
|
bb_simple_perror_msg(*_argv);
|
2001-11-02 11:39:46 +00:00
|
|
|
exitval = 1;
|
|
|
|
++_argv;
|
|
|
|
continue;
|
|
|
|
}
|
2007-06-21 12:43:45 +00:00
|
|
|
done = statok = 1;
|
2001-11-02 11:39:46 +00:00
|
|
|
} else {
|
2007-06-21 12:43:45 +00:00
|
|
|
if (done)
|
2006-11-27 16:49:31 +00:00
|
|
|
return 0;
|
2007-06-21 12:43:45 +00:00
|
|
|
done = 1;
|
2001-11-02 11:39:46 +00:00
|
|
|
statok = 0;
|
|
|
|
}
|
2003-03-19 09:13:01 +00:00
|
|
|
if (bb_dump_skip)
|
|
|
|
do_skip(statok ? *_argv : "stdin", statok);
|
2001-11-02 11:39:46 +00:00
|
|
|
if (*_argv)
|
|
|
|
++_argv;
|
2003-03-19 09:13:01 +00:00
|
|
|
if (!bb_dump_skip)
|
2006-11-27 16:49:31 +00:00
|
|
|
return 1;
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
|
|
|
/* NOTREACHED */
|
|
|
|
}
|
|
|
|
|
2006-02-19 22:59:12 +00:00
|
|
|
static unsigned char *get(void)
|
2001-11-02 11:39:46 +00:00
|
|
|
{
|
2007-06-21 12:43:45 +00:00
|
|
|
static smallint ateof = 1;
|
|
|
|
static unsigned char *curp = NULL, *savp; /*DBU:[dave@cray.com]initialize curp */
|
|
|
|
|
2006-07-01 13:08:46 +00:00
|
|
|
int n;
|
2001-11-02 11:39:46 +00:00
|
|
|
int need, nread;
|
2006-02-19 22:59:12 +00:00
|
|
|
unsigned char *tmpp;
|
2001-11-02 11:39:46 +00:00
|
|
|
|
|
|
|
if (!curp) {
|
2003-04-19 23:18:35 +00:00
|
|
|
address = (off_t)0; /*DBU:[dave@cray.com] initialize,initialize..*/
|
2006-12-19 23:36:04 +00:00
|
|
|
curp = xmalloc(bb_dump_blocksize);
|
|
|
|
savp = xmalloc(bb_dump_blocksize);
|
2001-11-02 11:39:46 +00:00
|
|
|
} else {
|
|
|
|
tmpp = curp;
|
|
|
|
curp = savp;
|
|
|
|
savp = tmpp;
|
2003-03-19 09:13:01 +00:00
|
|
|
address = savaddress += bb_dump_blocksize;
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
2003-03-19 09:13:01 +00:00
|
|
|
for (need = bb_dump_blocksize, nread = 0;;) {
|
2001-11-02 11:39:46 +00:00
|
|
|
/*
|
|
|
|
* if read the right number of bytes, or at EOF for one file,
|
|
|
|
* and no other files are available, zero-pad the rest of the
|
|
|
|
* block and set the end flag.
|
|
|
|
*/
|
2003-03-19 09:13:01 +00:00
|
|
|
if (!bb_dump_length || (ateof && !next((char **) NULL))) {
|
|
|
|
if (need == bb_dump_blocksize) {
|
2006-11-27 16:49:55 +00:00
|
|
|
return NULL;
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
2006-04-16 05:51:47 +00:00
|
|
|
if (bb_dump_vflag != ALL && !memcmp(curp, savp, nread)) {
|
2003-03-19 09:13:01 +00:00
|
|
|
if (bb_dump_vflag != DUP) {
|
2006-11-27 16:49:55 +00:00
|
|
|
puts("*");
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
2006-11-27 16:49:55 +00:00
|
|
|
return NULL;
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
2006-01-31 17:57:48 +00:00
|
|
|
memset((char *) curp + nread, 0, need);
|
2001-11-02 11:39:46 +00:00
|
|
|
eaddress = address + nread;
|
2006-11-27 16:49:55 +00:00
|
|
|
return curp;
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
2006-02-19 22:59:12 +00:00
|
|
|
n = fread((char *) curp + nread, sizeof(unsigned char),
|
2003-03-19 09:13:01 +00:00
|
|
|
bb_dump_length == -1 ? need : MIN(bb_dump_length, need), stdin);
|
2001-11-02 11:39:46 +00:00
|
|
|
if (!n) {
|
|
|
|
if (ferror(stdin)) {
|
2007-10-01 11:58:38 +00:00
|
|
|
bb_simple_perror_msg(_argv[-1]);
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
|
|
|
ateof = 1;
|
|
|
|
continue;
|
|
|
|
}
|
|
|
|
ateof = 0;
|
2003-03-19 09:13:01 +00:00
|
|
|
if (bb_dump_length != -1) {
|
|
|
|
bb_dump_length -= n;
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
2007-06-21 12:43:45 +00:00
|
|
|
need -= n;
|
|
|
|
if (!need) {
|
2003-03-19 09:13:01 +00:00
|
|
|
if (bb_dump_vflag == ALL || bb_dump_vflag == FIRST
|
2006-04-16 05:51:47 +00:00
|
|
|
|| memcmp(curp, savp, bb_dump_blocksize)) {
|
2003-03-19 09:13:01 +00:00
|
|
|
if (bb_dump_vflag == DUP || bb_dump_vflag == FIRST) {
|
|
|
|
bb_dump_vflag = WAIT;
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
2006-11-27 16:49:55 +00:00
|
|
|
return curp;
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
2003-03-19 09:13:01 +00:00
|
|
|
if (bb_dump_vflag == WAIT) {
|
2006-11-27 16:49:55 +00:00
|
|
|
puts("*");
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
2003-03-19 09:13:01 +00:00
|
|
|
bb_dump_vflag = DUP;
|
|
|
|
address = savaddress += bb_dump_blocksize;
|
|
|
|
need = bb_dump_blocksize;
|
2001-11-02 11:39:46 +00:00
|
|
|
nread = 0;
|
|
|
|
} else {
|
|
|
|
nread += n;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2002-08-22 18:41:20 +00:00
|
|
|
static void bpad(PR * pr)
|
2001-11-02 11:39:46 +00:00
|
|
|
{
|
2006-06-28 14:36:50 +00:00
|
|
|
char *p1, *p2;
|
2001-11-02 11:39:46 +00:00
|
|
|
|
|
|
|
/*
|
|
|
|
* remove all conversion flags; '-' is the only one valid
|
|
|
|
* with %s, and it's not useful here.
|
|
|
|
*/
|
|
|
|
pr->flags = F_BPAD;
|
|
|
|
*pr->cchar = 's';
|
|
|
|
for (p1 = pr->fmt; *p1 != '%'; ++p1);
|
2006-06-28 14:36:50 +00:00
|
|
|
for (p2 = ++p1; *p1 && strchr(" -0+#", *p1); ++p1)
|
|
|
|
if (pr->nospace) pr->nospace--;
|
2002-08-22 18:41:20 +00:00
|
|
|
while ((*p2++ = *p1++) != 0);
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
|
|
|
|
2007-08-12 20:58:27 +00:00
|
|
|
static const char conv_str[] ALIGN1 =
|
2003-03-19 09:13:01 +00:00
|
|
|
"\0\\0\0"
|
|
|
|
"\007\\a\0" /* \a */
|
|
|
|
"\b\\b\0"
|
|
|
|
"\f\\b\0"
|
|
|
|
"\n\\n\0"
|
|
|
|
"\r\\r\0"
|
|
|
|
"\t\\t\0"
|
|
|
|
"\v\\v\0"
|
2007-07-24 15:54:42 +00:00
|
|
|
;
|
2003-03-19 09:13:01 +00:00
|
|
|
|
|
|
|
|
2006-02-19 22:59:12 +00:00
|
|
|
static void conv_c(PR * pr, unsigned char * p)
|
2001-11-02 11:39:46 +00:00
|
|
|
{
|
2003-03-19 09:13:01 +00:00
|
|
|
const char *str = conv_str;
|
|
|
|
char buf[10];
|
|
|
|
|
|
|
|
do {
|
|
|
|
if (*p == *str) {
|
|
|
|
++str;
|
|
|
|
goto strpr;
|
|
|
|
}
|
|
|
|
str += 4;
|
|
|
|
} while (*str);
|
|
|
|
|
2001-11-02 11:39:46 +00:00
|
|
|
if (isprint(*p)) {
|
|
|
|
*pr->cchar = 'c';
|
2002-08-22 18:41:20 +00:00
|
|
|
(void) printf(pr->fmt, *p);
|
2001-11-02 11:39:46 +00:00
|
|
|
} else {
|
2003-03-19 09:13:01 +00:00
|
|
|
sprintf(buf, "%03o", (int) *p);
|
|
|
|
str = buf;
|
2002-08-22 18:41:20 +00:00
|
|
|
strpr:
|
2001-11-02 11:39:46 +00:00
|
|
|
*pr->cchar = 's';
|
|
|
|
printf(pr->fmt, str);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2006-02-19 22:59:12 +00:00
|
|
|
static void conv_u(PR * pr, unsigned char * p)
|
2001-11-02 11:39:46 +00:00
|
|
|
{
|
2007-08-12 20:58:27 +00:00
|
|
|
static const char list[] ALIGN1 =
|
2003-03-19 09:13:01 +00:00
|
|
|
"nul\0soh\0stx\0etx\0eot\0enq\0ack\0bel\0"
|
|
|
|
"bs\0_ht\0_lf\0_vt\0_ff\0_cr\0_so\0_si\0_"
|
|
|
|
"dle\0dcl\0dc2\0dc3\0dc4\0nak\0syn\0etb\0"
|
|
|
|
"can\0em\0_sub\0esc\0fs\0_gs\0_rs\0_us";
|
2001-11-02 11:39:46 +00:00
|
|
|
|
|
|
|
/* od used nl, not lf */
|
|
|
|
if (*p <= 0x1f) {
|
|
|
|
*pr->cchar = 's';
|
2004-07-23 01:35:41 +00:00
|
|
|
printf(pr->fmt, list + (4 * (int)*p));
|
2001-11-02 11:39:46 +00:00
|
|
|
} else if (*p == 0x7f) {
|
|
|
|
*pr->cchar = 's';
|
|
|
|
printf(pr->fmt, "del");
|
|
|
|
} else if (isprint(*p)) {
|
|
|
|
*pr->cchar = 'c';
|
|
|
|
printf(pr->fmt, *p);
|
|
|
|
} else {
|
|
|
|
*pr->cchar = 'x';
|
2002-08-22 18:41:20 +00:00
|
|
|
printf(pr->fmt, (int) *p);
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2003-03-19 09:13:01 +00:00
|
|
|
static void display(void)
|
2001-11-02 11:39:46 +00:00
|
|
|
{
|
2002-08-22 18:41:20 +00:00
|
|
|
/* extern FU *endfu; */
|
2006-07-01 13:08:46 +00:00
|
|
|
FS *fs;
|
|
|
|
FU *fu;
|
|
|
|
PR *pr;
|
|
|
|
int cnt;
|
|
|
|
unsigned char *bp;
|
2002-08-22 18:41:20 +00:00
|
|
|
|
2003-03-19 09:13:01 +00:00
|
|
|
off_t saveaddress;
|
2006-02-19 22:59:12 +00:00
|
|
|
unsigned char savech = 0, *savebp;
|
2001-11-02 11:39:46 +00:00
|
|
|
|
|
|
|
while ((bp = get()) != NULL) {
|
2003-03-19 09:13:01 +00:00
|
|
|
for (fs = bb_dump_fshead, savebp = bp, saveaddress = address; fs;
|
2002-08-22 18:41:20 +00:00
|
|
|
fs = fs->nextfs, bp = savebp, address = saveaddress) {
|
|
|
|
for (fu = fs->nextfu; fu; fu = fu->nextfu) {
|
2001-11-02 11:39:46 +00:00
|
|
|
if (fu->flags & F_IGNORE) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
for (cnt = fu->reps; cnt; --cnt) {
|
2002-08-22 18:41:20 +00:00
|
|
|
for (pr = fu->nextpr; pr; address += pr->bcnt,
|
|
|
|
bp += pr->bcnt, pr = pr->nextpr) {
|
|
|
|
if (eaddress && address >= eaddress &&
|
|
|
|
!(pr->flags & (F_TEXT | F_BPAD))) {
|
2001-11-02 11:39:46 +00:00
|
|
|
bpad(pr);
|
|
|
|
}
|
2002-08-22 18:41:20 +00:00
|
|
|
if (cnt == 1 && pr->nospace) {
|
2001-11-02 11:39:46 +00:00
|
|
|
savech = *pr->nospace;
|
|
|
|
*pr->nospace = '\0';
|
2002-08-22 18:41:20 +00:00
|
|
|
}
|
|
|
|
/* PRINT; */
|
|
|
|
switch (pr->flags) {
|
|
|
|
case F_ADDRESS:
|
2004-05-02 08:38:53 +00:00
|
|
|
printf(pr->fmt, (unsigned int) address);
|
2002-08-22 18:41:20 +00:00
|
|
|
break;
|
|
|
|
case F_BPAD:
|
|
|
|
printf(pr->fmt, "");
|
|
|
|
break;
|
|
|
|
case F_C:
|
|
|
|
conv_c(pr, bp);
|
|
|
|
break;
|
|
|
|
case F_CHAR:
|
|
|
|
printf(pr->fmt, *bp);
|
|
|
|
break;
|
|
|
|
case F_DBL:{
|
|
|
|
double dval;
|
|
|
|
float fval;
|
|
|
|
|
|
|
|
switch (pr->bcnt) {
|
|
|
|
case 4:
|
2006-04-16 05:58:21 +00:00
|
|
|
memmove((char *) &fval, (char *) bp,
|
2002-08-22 18:41:20 +00:00
|
|
|
sizeof(fval));
|
|
|
|
printf(pr->fmt, fval);
|
2001-11-02 11:39:46 +00:00
|
|
|
break;
|
2002-08-22 18:41:20 +00:00
|
|
|
case 8:
|
2006-04-16 05:58:21 +00:00
|
|
|
memmove((char *) &dval, (char *) bp,
|
2002-08-22 18:41:20 +00:00
|
|
|
sizeof(dval));
|
|
|
|
printf(pr->fmt, dval);
|
2001-11-02 11:39:46 +00:00
|
|
|
break;
|
|
|
|
}
|
2002-08-22 18:41:20 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
case F_INT:{
|
|
|
|
int ival;
|
|
|
|
short sval;
|
|
|
|
|
|
|
|
switch (pr->bcnt) {
|
|
|
|
case 1:
|
|
|
|
printf(pr->fmt, (int) *bp);
|
2001-11-02 11:39:46 +00:00
|
|
|
break;
|
2002-08-22 18:41:20 +00:00
|
|
|
case 2:
|
2006-04-16 05:58:21 +00:00
|
|
|
memmove((char *) &sval, (char *) bp,
|
2002-08-22 18:41:20 +00:00
|
|
|
sizeof(sval));
|
|
|
|
printf(pr->fmt, (int) sval);
|
2001-11-02 11:39:46 +00:00
|
|
|
break;
|
2002-08-22 18:41:20 +00:00
|
|
|
case 4:
|
2006-04-16 05:58:21 +00:00
|
|
|
memmove((char *) &ival, (char *) bp,
|
2002-08-22 18:41:20 +00:00
|
|
|
sizeof(ival));
|
|
|
|
printf(pr->fmt, ival);
|
2001-11-02 11:39:46 +00:00
|
|
|
break;
|
2002-08-22 18:41:20 +00:00
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
case F_P:
|
|
|
|
printf(pr->fmt, isprint(*bp) ? *bp : '.');
|
|
|
|
break;
|
|
|
|
case F_STR:
|
|
|
|
printf(pr->fmt, (char *) bp);
|
|
|
|
break;
|
|
|
|
case F_TEXT:
|
|
|
|
printf(pr->fmt);
|
|
|
|
break;
|
|
|
|
case F_U:
|
|
|
|
conv_u(pr, bp);
|
|
|
|
break;
|
|
|
|
case F_UINT:{
|
2004-01-30 22:52:27 +00:00
|
|
|
unsigned int ival;
|
|
|
|
unsigned short sval;
|
2002-08-22 18:41:20 +00:00
|
|
|
|
|
|
|
switch (pr->bcnt) {
|
|
|
|
case 1:
|
2004-01-30 22:52:27 +00:00
|
|
|
printf(pr->fmt, (unsigned int) * bp);
|
2001-11-02 11:39:46 +00:00
|
|
|
break;
|
2002-08-22 18:41:20 +00:00
|
|
|
case 2:
|
2006-04-16 05:58:21 +00:00
|
|
|
memmove((char *) &sval, (char *) bp,
|
2002-08-22 18:41:20 +00:00
|
|
|
sizeof(sval));
|
2004-01-30 22:52:27 +00:00
|
|
|
printf(pr->fmt, (unsigned int) sval);
|
2001-11-02 11:39:46 +00:00
|
|
|
break;
|
2002-08-22 18:41:20 +00:00
|
|
|
case 4:
|
2006-04-16 05:58:21 +00:00
|
|
|
memmove((char *) &ival, (char *) bp,
|
2002-08-22 18:41:20 +00:00
|
|
|
sizeof(ival));
|
|
|
|
printf(pr->fmt, ival);
|
2001-11-02 11:39:46 +00:00
|
|
|
break;
|
|
|
|
}
|
2002-08-22 18:41:20 +00:00
|
|
|
break;
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
2002-08-22 18:41:20 +00:00
|
|
|
}
|
|
|
|
if (cnt == 1 && pr->nospace) {
|
2001-11-02 11:39:46 +00:00
|
|
|
*pr->nospace = savech;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (endfu) {
|
|
|
|
/*
|
2003-03-19 09:13:01 +00:00
|
|
|
* if eaddress not set, error or file bb_dump_size was multiple of
|
|
|
|
* bb_dump_blocksize, and no partial block ever found.
|
2001-11-02 11:39:46 +00:00
|
|
|
*/
|
|
|
|
if (!eaddress) {
|
|
|
|
if (!address) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
eaddress = address;
|
|
|
|
}
|
|
|
|
for (pr = endfu->nextpr; pr; pr = pr->nextpr) {
|
2002-08-22 18:41:20 +00:00
|
|
|
switch (pr->flags) {
|
2001-11-02 11:39:46 +00:00
|
|
|
case F_ADDRESS:
|
2004-03-05 05:47:19 +00:00
|
|
|
(void) printf(pr->fmt, (unsigned int) eaddress);
|
2001-11-02 11:39:46 +00:00
|
|
|
break;
|
|
|
|
case F_TEXT:
|
2002-08-22 18:41:20 +00:00
|
|
|
(void) printf(pr->fmt);
|
2001-11-02 11:39:46 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2003-03-19 09:13:01 +00:00
|
|
|
int bb_dump_dump(char **argv)
|
2001-11-02 11:39:46 +00:00
|
|
|
{
|
2006-07-01 13:08:46 +00:00
|
|
|
FS *tfs;
|
2001-11-02 11:39:46 +00:00
|
|
|
|
2003-03-19 09:13:01 +00:00
|
|
|
/* figure out the data block bb_dump_size */
|
|
|
|
for (bb_dump_blocksize = 0, tfs = bb_dump_fshead; tfs; tfs = tfs->nextfs) {
|
|
|
|
tfs->bcnt = bb_dump_size(tfs);
|
|
|
|
if (bb_dump_blocksize < tfs->bcnt) {
|
|
|
|
bb_dump_blocksize = tfs->bcnt;
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
/* rewrite the rules, do syntax checking */
|
2003-03-19 09:13:01 +00:00
|
|
|
for (tfs = bb_dump_fshead; tfs; tfs = tfs->nextfs) {
|
2001-11-02 11:39:46 +00:00
|
|
|
rewrite(tfs);
|
|
|
|
}
|
|
|
|
|
|
|
|
next(argv);
|
|
|
|
display();
|
|
|
|
|
2006-11-27 16:49:55 +00:00
|
|
|
return exitval;
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
|
|
|
|
2003-03-19 09:13:01 +00:00
|
|
|
void bb_dump_add(const char *fmt)
|
2001-11-02 11:39:46 +00:00
|
|
|
{
|
2006-06-18 20:20:07 +00:00
|
|
|
const char *p;
|
|
|
|
char *p1;
|
|
|
|
char *p2;
|
2001-11-02 11:39:46 +00:00
|
|
|
static FS **nextfs;
|
|
|
|
FS *tfs;
|
|
|
|
FU *tfu, **nextfu;
|
2003-03-19 09:13:01 +00:00
|
|
|
const char *savep;
|
2001-11-02 11:39:46 +00:00
|
|
|
|
|
|
|
/* start new linked list of format units */
|
2006-06-18 20:20:07 +00:00
|
|
|
tfs = xzalloc(sizeof(FS)); /*DBU:[dave@cray.com] start out NULL */
|
2003-03-19 09:13:01 +00:00
|
|
|
if (!bb_dump_fshead) {
|
|
|
|
bb_dump_fshead = tfs;
|
2001-11-02 11:39:46 +00:00
|
|
|
} else {
|
|
|
|
*nextfs = tfs;
|
|
|
|
}
|
|
|
|
nextfs = &tfs->nextfs;
|
|
|
|
nextfu = &tfs->nextfu;
|
|
|
|
|
|
|
|
/* take the format string and break it up into format units */
|
|
|
|
for (p = fmt;;) {
|
2003-03-19 09:13:01 +00:00
|
|
|
/* bb_dump_skip leading white space */
|
2006-06-18 20:20:07 +00:00
|
|
|
p = skip_whitespace(p);
|
2001-11-02 11:39:46 +00:00
|
|
|
if (!*p) {
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* allocate a new format unit and link it in */
|
|
|
|
/* NOSTRICT */
|
2003-04-19 23:18:35 +00:00
|
|
|
/* DBU:[dave@cray.com] calloc so that forward pointers start out NULL */
|
2006-06-18 20:20:07 +00:00
|
|
|
tfu = xzalloc(sizeof(FU));
|
2001-11-02 11:39:46 +00:00
|
|
|
*nextfu = tfu;
|
|
|
|
nextfu = &tfu->nextfu;
|
|
|
|
tfu->reps = 1;
|
|
|
|
|
|
|
|
/* if leading digit, repetition count */
|
|
|
|
if (isdigit(*p)) {
|
|
|
|
for (savep = p; isdigit(*p); ++p);
|
|
|
|
if (!isspace(*p) && *p != '/') {
|
2003-03-19 09:13:01 +00:00
|
|
|
bb_error_msg_and_die("bad format {%s}", fmt);
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
|
|
|
/* may overwrite either white space or slash */
|
|
|
|
tfu->reps = atoi(savep);
|
|
|
|
tfu->flags = F_SETREP;
|
2003-03-19 09:13:01 +00:00
|
|
|
/* bb_dump_skip trailing white space */
|
2006-06-18 20:20:07 +00:00
|
|
|
p = skip_whitespace(++p);
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
|
|
|
|
2003-03-19 09:13:01 +00:00
|
|
|
/* bb_dump_skip slash and trailing white space */
|
2001-11-02 11:39:46 +00:00
|
|
|
if (*p == '/') {
|
2006-06-18 20:20:07 +00:00
|
|
|
p = skip_whitespace(++p);
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* byte count */
|
|
|
|
if (isdigit(*p)) {
|
2006-12-26 02:51:29 +00:00
|
|
|
// TODO: use bb_strtou
|
|
|
|
savep = p;
|
2006-12-26 10:42:51 +00:00
|
|
|
do p++; while (isdigit(*p));
|
2001-11-02 11:39:46 +00:00
|
|
|
if (!isspace(*p)) {
|
2003-03-19 09:13:01 +00:00
|
|
|
bb_error_msg_and_die("bad format {%s}", fmt);
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
|
|
|
tfu->bcnt = atoi(savep);
|
2003-03-19 09:13:01 +00:00
|
|
|
/* bb_dump_skip trailing white space */
|
2006-06-18 20:20:07 +00:00
|
|
|
p = skip_whitespace(++p);
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
/* format */
|
|
|
|
if (*p != '"') {
|
2003-03-19 09:13:01 +00:00
|
|
|
bb_error_msg_and_die("bad format {%s}", fmt);
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
|
|
|
for (savep = ++p; *p != '"';) {
|
|
|
|
if (*p++ == 0) {
|
2003-03-19 09:13:01 +00:00
|
|
|
bb_error_msg_and_die("bad format {%s}", fmt);
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
|
|
|
}
|
2003-03-19 09:13:01 +00:00
|
|
|
tfu->fmt = xmalloc(p - savep + 1);
|
2001-11-02 11:39:46 +00:00
|
|
|
strncpy(tfu->fmt, savep, p - savep);
|
|
|
|
tfu->fmt[p - savep] = '\0';
|
2002-08-22 18:41:20 +00:00
|
|
|
/* escape(tfu->fmt); */
|
2001-11-02 11:39:46 +00:00
|
|
|
|
|
|
|
p1 = tfu->fmt;
|
|
|
|
|
|
|
|
/* alphabetic escape sequences have to be done in place */
|
|
|
|
for (p2 = p1;; ++p1, ++p2) {
|
|
|
|
if (!*p1) {
|
|
|
|
*p2 = *p1;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if (*p1 == '\\') {
|
2003-03-19 09:13:01 +00:00
|
|
|
const char *cs = conv_str + 4;
|
|
|
|
++p1;
|
|
|
|
*p2 = *p1;
|
|
|
|
do {
|
|
|
|
if (*p1 == cs[2]) {
|
|
|
|
*p2 = cs[0];
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
cs += 4;
|
|
|
|
} while (*cs);
|
2001-11-02 11:39:46 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
p++;
|
|
|
|
}
|
|
|
|
}
|
2002-08-22 18:41:20 +00:00
|
|
|
|
2001-11-02 11:39:46 +00:00
|
|
|
/*
|
|
|
|
* Copyright (c) 1989 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.
|
2002-06-23 22:25:24 +00:00
|
|
|
* 3. Neither the name of the University nor the names of its contributors
|
2001-11-02 11:39:46 +00:00
|
|
|
* 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.
|
|
|
|
*/
|