archival/libunarchive/seek_by_jump.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"

void FAST_FUNC seek_by_jump(int fd, off_t amount)
{
	if (amount
	 && lseek(fd, amount, SEEK_CUR) == (off_t) -1
	) {
		if (errno == ESPIPE)
			seek_by_read(fd, amount);
		else
			bb_perror_msg_and_die("seek failure");
	}
}
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			#include "libbb.h"
7			#include "unarchive.h"
8
9	niro	984	void FAST_FUNC seek_by_jump(int fd, off_t amount)
10	niro	532	{
11	niro	816	if (amount
12	niro	984	&& lseek(fd, amount, SEEK_CUR) == (off_t) -1
13	niro	816	) {
14			if (errno == ESPIPE)
15	niro	984	seek_by_read(fd, amount);
16	niro	816	else
17	niro	532	bb_perror_msg_and_die("seek failure");
18			}
19			}