/* Copyright (C) 1997-2016 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. 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 <http://www.gnu.org/licenses/>. */ #include <assert.h> #include <errno.h> #include <endian.h> #include <unistd.h> #include <sysdep-cancel.h> #include <sys/syscall.h> #ifdef __NR_pwrite64 /* Newer kernels renamed but it's the same. */ # ifdef __NR_pwrite # error "__NR_pwrite and __NR_pwrite64 both defined???" # endif # define __NR_pwrite __NR_pwrite64 #endif ssize_t __libc_pwrite (int fd, const void *buf, size_t count, off_t offset) { ssize_t result; assert (sizeof (offset) == 4); result = SYSCALL_CANCEL (pwrite, fd, buf, count, __LONG_LONG_PAIR (offset >> 31, offset)); return result; } strong_alias (__libc_pwrite, __pwrite) weak_alias (__libc_pwrite, pwrite)