| /* |
| * 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. |
| * 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. |
| */ |
| |
| /* 1999-02-22 Arkadiusz MiĆkiewicz <misiek@pld.ORG.PL> |
| * - added Native Language Support |
| */ |
| |
| #include <sys/types.h> |
| #include <unistd.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <errno.h> |
| #include <err.h> |
| #include <limits.h> |
| #include <getopt.h> |
| #include "hexdump.h" |
| |
| #include "list.h" |
| #include "nls.h" |
| #include "c.h" |
| #include "colors.h" |
| #include "strutils.h" |
| #include "xalloc.h" |
| #include "closestream.h" |
| |
| void hex_free(struct hexdump *); |
| |
| int |
| parse_args(int argc, char **argv, struct hexdump *hex) |
| { |
| int ch; |
| int colormode = UL_COLORMODE_UNDEF; |
| char *hex_offt = "\"%07.7_Ax\n\""; |
| |
| |
| static const struct option longopts[] = { |
| {"one-byte-octal", no_argument, NULL, 'b'}, |
| {"one-byte-char", required_argument, NULL, 'c'}, |
| {"canonical", required_argument, NULL, 'C'}, |
| {"two-bytes-decimal", no_argument, NULL, 'd'}, |
| {"two-bytes-octal", required_argument, NULL, 'o'}, |
| {"two-bytes-hex", no_argument, NULL, 'x'}, |
| {"format", required_argument, NULL, 'e'}, |
| {"format-file", required_argument, NULL, 'f'}, |
| {"color", optional_argument, NULL, 'L'}, |
| {"length", required_argument, NULL, 'n'}, |
| {"skip", required_argument, NULL, 's'}, |
| {"no-squeezing", no_argument, NULL, 'v'}, |
| {"help", no_argument, NULL, 'h'}, |
| {"version", no_argument, NULL, 'V'}, |
| {NULL, no_argument, NULL, 0} |
| }; |
| |
| while ((ch = getopt_long(argc, argv, "bcCde:f:L::n:os:vxhV", longopts, NULL)) != -1) { |
| switch (ch) { |
| case 'b': |
| add_fmt(hex_offt, hex); |
| add_fmt("\"%07.7_ax \" 16/1 \"%03o \" \"\\n\"", hex); |
| break; |
| case 'c': |
| add_fmt(hex_offt, hex); |
| add_fmt("\"%07.7_ax \" 16/1 \"%3_c \" \"\\n\"", hex); |
| break; |
| case 'C': |
| add_fmt("\"%08.8_Ax\n\"", hex); |
| add_fmt("\"%08.8_ax \" 8/1 \"%02x \" \" \" 8/1 \"%02x \" ", hex); |
| add_fmt("\" |\" 16/1 \"%_p\" \"|\\n\"", hex); |
| break; |
| case 'd': |
| add_fmt(hex_offt, hex); |
| add_fmt("\"%07.7_ax \" 8/2 \" %05u \" \"\\n\"", hex); |
| break; |
| case 'e': |
| add_fmt(optarg, hex); |
| break; |
| case 'f': |
| addfile(optarg, hex); |
| break; |
| case 'L': |
| colormode = UL_COLORMODE_AUTO; |
| if (optarg) |
| colormode = colormode_or_err(optarg, |
| _("unsupported color mode")); |
| break; |
| case 'n': |
| hex->length = strtosize_or_err(optarg, _("failed to parse length")); |
| break; |
| case 'o': |
| add_fmt(hex_offt, hex); |
| add_fmt("\"%07.7_ax \" 8/2 \" %06o \" \"\\n\"", hex); |
| break; |
| case 's': |
| hex->skip = strtosize_or_err(optarg, _("failed to parse offset")); |
| break; |
| case 'v': |
| vflag = ALL; |
| break; |
| case 'x': |
| add_fmt(hex_offt, hex); |
| add_fmt("\"%07.7_ax \" 8/2 \" %04x \" \"\\n\"", hex); |
| break; |
| case 'h': |
| usage(stdout); |
| case 'V': |
| printf(UTIL_LINUX_VERSION); |
| exit(EXIT_SUCCESS); |
| break; |
| default: |
| usage(stderr); |
| } |
| } |
| |
| if (list_empty(&hex->fshead)) { |
| add_fmt(hex_offt, hex); |
| add_fmt("\"%07.7_ax \" 8/2 \"%04x \" \"\\n\"", hex); |
| } |
| colors_init (colormode, "hexdump"); |
| return optind; |
| } |
| |
| void __attribute__((__noreturn__)) usage(FILE *out) |
| { |
| fputs(USAGE_HEADER, out); |
| fprintf(out, _(" %s [options] <file>...\n"), program_invocation_short_name); |
| |
| fputs(USAGE_SEPARATOR, out); |
| fputs(_("Display file contents in hexadecimal, decimal, octal, or ascii.\n"), out); |
| |
| fputs(USAGE_OPTIONS, out); |
| fputs(_(" -b, --one-byte-octal one-byte octal display\n"), out); |
| fputs(_(" -c, --one-byte-char one-byte character display\n"), out); |
| fputs(_(" -C, --canonical canonical hex+ASCII display\n"), out); |
| fputs(_(" -d, --two-bytes-decimal two-byte decimal display\n"), out); |
| fputs(_(" -o, --two-bytes-octal two-byte octal display\n"), out); |
| fputs(_(" -x, --two-bytes-hex two-byte hexadecimal display\n"), out); |
| fputs(_(" -L, --color[=<mode>] interpret color formatting specifiers\n"), out); |
| fprintf(out, |
| " %s\n", USAGE_COLORS_DEFAULT); |
| fputs(_(" -e, --format <format> format string to be used for displaying data\n"), out); |
| fputs(_(" -f, --format-file <file> file that contains format strings\n"), out); |
| fputs(_(" -n, --length <length> interpret only length bytes of input\n"), out); |
| fputs(_(" -s, --skip <offset> skip offset bytes from the beginning\n"), out); |
| fputs(_(" -v, --no-squeezing output identical lines\n"), out); |
| fputs(USAGE_SEPARATOR, out); |
| fputs(USAGE_HELP, out); |
| fputs(USAGE_VERSION, out); |
| fprintf(out, USAGE_MAN_TAIL("hexdump(1)")); |
| |
| exit(out == stderr ? EXIT_FAILURE : EXIT_SUCCESS); |
| } |
| |
| int main(int argc, char **argv) |
| { |
| struct list_head *p; |
| struct hexdump_fs *tfs; |
| int ret; |
| |
| struct hexdump *hex = xcalloc(1, sizeof (struct hexdump)); |
| hex->length = -1; |
| INIT_LIST_HEAD(&hex->fshead); |
| |
| setlocale(LC_ALL, ""); |
| bindtextdomain(PACKAGE, LOCALEDIR); |
| textdomain(PACKAGE); |
| atexit(close_stdout); |
| |
| argv += parse_args(argc, argv, hex); |
| |
| /* figure out the data block size */ |
| hex->blocksize = 0; |
| list_for_each(p, &hex->fshead) { |
| tfs = list_entry(p, struct hexdump_fs, fslist); |
| if ((tfs->bcnt = block_size(tfs)) > hex->blocksize) |
| hex->blocksize = tfs->bcnt; |
| } |
| |
| /* rewrite the rules, do syntax checking */ |
| list_for_each(p, &hex->fshead) |
| rewrite_rules(list_entry(p, struct hexdump_fs, fslist), hex); |
| |
| next(argv, hex); |
| display(hex); |
| |
| ret = hex->exitval; |
| hex_free(hex); |
| |
| return ret; |
| } |
| |
| void hex_free(struct hexdump *hex) |
| { |
| struct list_head *p, *pn, *q, *qn, *r, *rn, *s, *sn; |
| struct hexdump_fs *fs; |
| struct hexdump_fu *fu; |
| struct hexdump_pr *pr; |
| struct hexdump_clr *clr; |
| |
| list_for_each_safe(p, pn, &hex->fshead) { |
| fs = list_entry(p, struct hexdump_fs, fslist); |
| list_for_each_safe(q, qn, &fs->fulist) { |
| fu = list_entry(q, struct hexdump_fu, fulist); |
| list_for_each_safe(r, rn, &fu->prlist) { |
| pr = list_entry(r, struct hexdump_pr, prlist); |
| if (pr->colorlist) { |
| list_for_each_safe(s, sn, pr->colorlist) { |
| clr = list_entry (s, struct hexdump_clr, colorlist); |
| free(clr->str); |
| free(clr); |
| } |
| } |
| free(pr->fmt); |
| free(pr); |
| } |
| free(fu->fmt); |
| free(fu); |
| } |
| free(fs); |
| } |
| free (hex); |
| } |