ack/plat/msdos86/libsys/lseek.c
2021-03-28 17:21:53 +00:00

27 lines
399 B
C

/* $Source$
* $State$
* $Revision$
*/
#include <errno.h>
#include <stdio.h>
#include <unistd.h>
#include "libsys.h"
off_t lseek(int fd, off_t offset, int whence)
{
off_t newoff;
if (whence != SEEK_SET && whence != SEEK_CUR && whence != SEEK_END)
{
errno = EINVAL;
return -1L;
}
newoff = _sys_rawlseek(fd, offset, whence);
if (newoff != -1L)
_sys_seteof(fd, 0);
return newoff;
}