glibc/sysdeps/unix/sysv/linux/mips/pwrite64.c
Andreas Jaeger e82a029517 Update.
2000-05-30  Andreas Jaeger  <aj@suse.de>

	* sysdeps/unix/sysv/linux/mips/truncate64.c: New file.
	* sysdeps/unix/sysv/linux/mips/ftruncate64.c: New file.
	* sysdeps/unix/sysv/linux/mips/pread64.c: Readded file.
	* sysdeps/unix/sysv/linux/mips/pwrite64.c: Readded file.
	* sysdeps/unix/sysv/linux/mips/pread.c: Readded file.
	* sysdeps/unix/sysv/linux/mips/pwrite.c: Readded file.
2000-05-30 12:50:54 +00:00

76 lines
2.3 KiB
C

/* Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ralf Baechle <ralf@gnu.org>, 1998.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <errno.h>
#include <unistd.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <kernel-features.h>
#if defined __NR_pwrite || __ASSUME_PWRITE_SYSCALL > 0
extern ssize_t __syscall_pwrite (int fd, const void *buf, size_t count,
int dummy, off_t offset_hi, off_t offset_lo);
# if __ASSUME_PWRITE_SYSCALL == 0
static ssize_t __emulate_pwrite64 (int fd, const void *buf, size_t count,
off64_t offset) internal_function;
# endif
ssize_t
__libc_pwrite64 (fd, buf, count, offset)
int fd;
const void *buf;
size_t count;
off64_t offset;
{
ssize_t result;
/* First try the syscall. */
# if defined(__MIPSEB__)
result = INLINE_SYSCALL (pwrite, 6, fd, buf, count, 0, (off_t) (offset >> 32),
(off_t) (offset & 0xffffffff));
# elif defined(__MIPSEL__)
result = INLINE_SYSCALL (pwrite, 6, fd, buf, count, 0,
(off_t) (offset & 0xffffffff),
(off_t) (offset >> 32));
# endif
# if __ASSUME_PWRITE_SYSCALL == 0
if (result == -1 && errno == ENOSYS)
/* No system call available. Use the emulation. */
result = __emulate_pwrite64 (fd, buf, count, offset);
# endif
return result;
}
weak_alias (__libc_pwrite64, __pwrite64)
weak_alias (__libc_pwrite64, pwrite64)
# define __libc_pwrite64(fd, buf, count, offset) \
static internal_function __emulate_pwrite64 (fd, buf, count, offset)
#endif
#if __ASSUME_PWRITE_SYSCALL == 0
# include <sysdeps/posix/pwrite64.c>
#endif