glibc/sysdeps/unix/sysv/linux/dl-write.c

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/* Implementation of the _dl_write function. Linux version.
Copyright (C) 2020-2021 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 <sysdep.h>
#include <unistd.h>
#include <ldsodefs.h>
ssize_t
_dl_write (int fd, const void *buffer, size_t length)
{
long int r = INTERNAL_SYSCALL_CALL (write, fd, buffer, length);
if (INTERNAL_SYSCALL_ERROR_P (r))
r = - INTERNAL_SYSCALL_ERRNO (r);
return r;
}