source: branches/stable/mindi-busybox/archival/libunarchive/seek_by_jump.c @ 821

Last change on this file since 821 was 821, checked in by Bruno Cornec, 14 years ago

Addition of busybox 1.2.1 as a mindi-busybox new package
This should avoid delivering binary files in mindi not built there (Fedora and Debian are quite serious about that)

File size: 1.2 KB
Line 
1/*
2 *  This program is free software; you can redistribute it and/or modify
3 *  it under the terms of the GNU General Public License as published by
4 *  the Free Software Foundation; either version 2 of the License, or
5 *  (at your option) any later version.
6 *
7 *  This program is distributed in the hope that it will be useful,
8 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
9 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10 *  GNU Library General Public License for more details.
11 *
12 *  You should have received a copy of the GNU General Public License
13 *  along with this program; if not, write to the Free Software
14 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
15 */
16
17#include <sys/types.h>
18#include <errno.h>
19#include <unistd.h>
20#include <stdlib.h>
21
22#include "libbb.h"
23#include "unarchive.h"
24
25void seek_by_jump(const archive_handle_t *archive_handle, const unsigned int amount)
26{
27    if (lseek(archive_handle->src_fd, (off_t) amount, SEEK_CUR) == (off_t) -1) {
28#ifdef CONFIG_FEATURE_UNARCHIVE_TAPE
29        if (errno == ESPIPE) {
30            seek_by_char(archive_handle, amount);
31        } else
32#endif
33            bb_perror_msg_and_die("Seek failure");
34    }
35}
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