minix/lib/libc/sys-minix/lseek.c
Ben Gras e6daf20a69 64-bit VFS_LSEEK_OFF
Change-Id: Ic0b6d65cbde1033462b909436efa92464094f1ec
2014-07-28 17:05:11 +02:00

25 lines
463 B
C

#include <sys/cdefs.h>
#include "namespace.h"
#include <lib.h>
#include <string.h>
#include <minix/u64.h>
#include <unistd.h>
#ifdef __weak_alias
__weak_alias(lseek, _lseek)
#endif
off_t
lseek(int fd, off_t offset, int whence)
{
message m;
memset(&m, 0, sizeof(m));
m.VFS_LSEEK_FD = fd;
m.VFS_LSEEK_OFF = offset;
m.VFS_LSEEK_WHENCE = whence;
if (_syscall(VFS_PROC_NR, VFS_LSEEK, &m) < 0) return( (off_t) -1);
return( (off_t) m.VFS_LSEEK_OFF);
}