Abstract read and seek in unarchiving code, convert bunzip to file descriptors, support tar -j
This commit is contained in:
35
archival/libunarchive/seek_by_jump.c
Normal file
35
archival/libunarchive/seek_by_jump.c
Normal file
@@ -0,0 +1,35 @@
|
||||
/*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License as published by
|
||||
* the Free Software Foundation; either version 2 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU Library General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*/
|
||||
|
||||
#include <sys/types.h>
|
||||
#include <errno.h>
|
||||
#include <unistd.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
#include "libbb.h"
|
||||
#include "unarchive.h"
|
||||
|
||||
extern void seek_by_jump(const archive_handle_t *archive_handle, const unsigned int amount)
|
||||
{
|
||||
if (lseek(archive_handle->src_fd, (off_t) amount, SEEK_CUR) == (off_t) -1) {
|
||||
#if CONFIG_FEATURE_UNARCHIVE_TAPE
|
||||
if (errno == ESPIPE) {
|
||||
seek_by_char(archive_handle, amount);
|
||||
} else
|
||||
#endif
|
||||
perror_msg_and_die("Seek failure");
|
||||
}
|
||||
}
|
Reference in New Issue
Block a user