busybox/archival/libunarchive/seek_sub_file.c

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2001-10-25 19:48:08 +05:30
/*
* 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 <stdio.h>
#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
2001-10-25 19:48:08 +05:30
off_t archive_offset;
void seek_sub_file(FILE *src_stream, const int count)
{
/* Try to fseek as faster */
archive_offset += count;
if (fseek(src_stream, count, SEEK_CUR) != 0 && errno == ESPIPE) {
int i;
for (i = 0; i < count; i++) {
fgetc(src_stream);
}
}
return;
}