mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-20 03:50:07 +00:00
7db20e36c8
(headers): Add sys/sendfile.h to the list. * sysdeps/unix/sysv/linux/Makefile (sysdep_headers): Don't add it here. * sysdeps/unix/sysv/linux/sys/sendfile.h: Moved to ... * io/sys/sendfile.h: ... here. * sysdeps/generic/sendfile.c: New file. * sysdeps/generic/sendfile64.c: New file. * sysdeps/unix/sysv/linux/Versions (GLIBC_2.1, GLIBC_2.3): Move sendfile, sendfile64 to ... * io/Versions (GLIBC_2.1, GLIBC_2.3): ... here. * sysdeps/mach/hurd/sendfile.c: New file. * sysdeps/mach/hurd/sendfile64.c: New file. * sysdeps/mach/nanosleep.c: New file.
44 lines
1.4 KiB
C
44 lines
1.4 KiB
C
/* sendfile -- copy data directly from one file descriptor to another
|
|
Copyright (C) 2002 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <sys/sendfile.h>
|
|
#include <errno.h>
|
|
#include <stddef.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)
|
|
{
|
|
if (offset == NULL)
|
|
return sendfile (out_fd, in_fd, NULL, count);
|
|
else
|
|
{
|
|
off_t ofs = *offset;
|
|
if (ofs != *offset)
|
|
{
|
|
__set_errno (EOVERFLOW);
|
|
return -1;
|
|
}
|
|
ssize_t ret = sendfile (out_fd, in_fd, &ofs, count);
|
|
*offset = ofs;
|
|
return ret;
|
|
}
|
|
}
|