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/*
* 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 <stdlib.h>
#include "unarchive.h"
#include "busybox.h"
/* If we are reading through a pipe(), or from stdin then we cant lseek,
* we must read and discard the data to skip over it.
*
* TODO: rename to seek_by_read
*/
extern void seek_by_char(const archive_handle_t *archive_handle, const unsigned int jump_size)
{
unsigned int remaining = jump_size;
unsigned int read_amount;
RESERVE_CONFIG_BUFFER(buf, BUFSIZ);
while (remaining > 0) {
if (remaining > BUFSIZ) {
read_amount = BUFSIZ;
} else {
read_amount = remaining;
}
read_amount = archive_xread(archive_handle, buf, read_amount);
remaining -= read_amount;
}
RELEASE_CONFIG_BUFFER(buf);
}
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