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#define _GNU_SOURCE
#include <sys/uio.h>
#include <unistd.h>
#include <fcntl.h>
#include "syscall.h"
ssize_t pwritev(int fd, const struct iovec *iov, int count, off_t ofs)
{
if (ofs == -1) ofs--;
int r = __syscall_cp(SYS_pwritev2, fd, iov, count,
(long)(ofs), (long)(ofs>>32), RWF_NOAPPEND);
if (r != -EOPNOTSUPP && r != -ENOSYS)
return __syscall_ret(r);
if (fcntl(fd, F_GETFL) & O_APPEND)
return __syscall_ret(-EOPNOTSUPP);
return syscall_cp(SYS_pwritev, fd, iov, count,
(long)(ofs), (long)(ofs>>32));
}
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