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/* fxstat using old-style Unix fstat system call.
Copyright (C) 1991-2015 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
<http://www.gnu.org/licenses/>. */
/* Ho hum, if xstat == xstat64 we must get rid of the prototype or gcc
will complain since they don't strictly match. */
#define __fxstat64 __fxstat64_disable
#include <errno.h>
#include <stddef.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <kernel_stat.h>
#include <sysdep.h>
#include <sys/syscall.h>
#include <xstatconv.h>
/* Get information about the file FD in BUF. */
int
__fxstat (int vers, int fd, struct stat *buf)
{
if (vers == _STAT_VER_KERNEL)
return INLINE_SYSCALL_RETURN (fstat, 2, fd,
(struct kernel_stat *) buf);
#ifdef STAT_IS_KERNEL_STAT
return INLINE_SYSCALL_ERROR_RETURN (-EINVAL, int, -1);
#else
struct kernel_stat kbuf;
INTERNAL_SYSCALL_DECL (err);
int result = INTERNAL_SYSCALL (fstat, err, 2, fd, &kbuf);
if (__glibc_unlikely (INTERNAL_SYSCALL_ERROR_P (result, err)))
return INLINE_SYSCALL_ERROR_RETURN (-INTERNAL_SYSCALL_ERRNO (result,
err),
int, -1);
else
return __xstat_conv (vers, &kbuf, buf);
#endif
}
hidden_def (__fxstat)
weak_alias (__fxstat, _fxstat);
#ifdef XSTAT_IS_XSTAT64
#undef __fxstat64
strong_alias (__fxstat, __fxstat64);
hidden_ver (__fxstat, __fxstat64)
#endif
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