glibc/sysdeps/unix/sysv/linux/sendfile64.c

38 lines
1.3 KiB
C

/* Transfer data between file descriptors. Linux version.
Copyright (C) 2022-2023 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<https://www.gnu.org/licenses/>. */
#include <sys/sendfile.h>
#include <stddef.h>
#include <errno.h>
#include <sysdep.h>
/* Send COUNT bytes from file associated with IN_FD starting at OFFSET to
descriptor OUT_FD. */
ssize_t
sendfile64 (int out_fd, int in_fd, off64_t *offset, size_t count)
{
#ifndef __NR_sendfile64
# define __NR_sendfile64 __NR_sendfile
#endif
return INLINE_SYSCALL_CALL (sendfile64, out_fd, in_fd, offset, count);
}
#ifdef __OFF_T_MATCHES_OFF64_T
strong_alias (sendfile64, sendfile)
#endif