archival/libunarchive/seek_by_read.c

/* vi: set sw=4 ts=4: */
/*
 * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
 */

#include "libbb.h"
#include "unarchive.h"

/*  If we are reading through a pipe, or from stdin then we can't lseek,
 *  we must read and discard the data to skip over it.
 */
void FAST_FUNC seek_by_read(int fd, off_t amount)
{
	if (amount)
		bb_copyfd_exact_size(fd, -1, amount);
}
1	niro	532	/* vi: set sw=4 ts=4: */
2			/*
3			* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
4			*/
5
6	niro	816	#include "libbb.h"
7	niro	532	#include "unarchive.h"
8
9	niro	816	/* If we are reading through a pipe, or from stdin then we can't lseek,
10	niro	532	* we must read and discard the data to skip over it.
11			*/
12	niro	984	void FAST_FUNC seek_by_read(int fd, off_t amount)
13	niro	532	{
14	niro	984	if (amount)
15			bb_copyfd_exact_size(fd, -1, amount);
16	niro	532	}