mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-04 19:00:09 +00:00
a2bfb6d635
* sysdeps/unix/sysv/linux/alpha/fxstatat.c: Fix hidden defs. 2006-02-20 Richard Henderson <rth@redhat.com> * sysdeps/alpha/soft-fp/Makefile (CPPFLAGS): Add soft-fp include to math subdir. * sysdeps/alpha/soft-fp/e_sqrtl.c: Don't use local-soft-fp.h. (__ieee754_sqrtl): Add _round local variable. * sysdeps/unix/sysv/linux/alpha/fpu/Implies: Remove. * sysdeps/unix/sysv/linux/alpha/fxstatat.c: Fix hidden defs.
100 lines
3.0 KiB
C
100 lines
3.0 KiB
C
/* Copyright (C) 2005, 2006 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. */
|
|
|
|
#define __fxstatat64 __fxstatat64_disable
|
|
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <stddef.h>
|
|
#include <stdio.h>
|
|
#include <sys/stat.h>
|
|
#include <kernel_stat.h>
|
|
#include <sysdep.h>
|
|
#include <sys/syscall.h>
|
|
#include <xstatconv.h>
|
|
|
|
#undef __fxstatat64
|
|
|
|
|
|
/* Get information about the file NAME in BUF. */
|
|
int
|
|
__fxstatat (int vers, int fd, const char *file, struct stat *st, int flag)
|
|
{
|
|
if (flag & ~AT_SYMLINK_NOFOLLOW)
|
|
{
|
|
__set_errno (EINVAL);
|
|
return -1;
|
|
}
|
|
|
|
char *buf = NULL;
|
|
|
|
if (fd != AT_FDCWD && file[0] != '/')
|
|
{
|
|
size_t filelen = strlen (file);
|
|
static const char procfd[] = "/proc/self/fd/%d/%s";
|
|
/* Buffer for the path name we are going to use. It consists of
|
|
- the string /proc/self/fd/
|
|
- the file descriptor number
|
|
- the file name provided.
|
|
The final NUL is included in the sizeof. A bit of overhead
|
|
due to the format elements compensates for possible negative
|
|
numbers. */
|
|
size_t buflen = sizeof (procfd) + sizeof (int) * 3 + filelen;
|
|
buf = alloca (buflen);
|
|
|
|
__snprintf (buf, buflen, procfd, fd, file);
|
|
file = buf;
|
|
}
|
|
|
|
INTERNAL_SYSCALL_DECL (err);
|
|
int result, errno_out;
|
|
struct kernel_stat kst;
|
|
|
|
if (vers == _STAT_VER_KERNEL64 && !__libc_missing_axp_stat64)
|
|
{
|
|
if (flag & AT_SYMLINK_NOFOLLOW)
|
|
result = INTERNAL_SYSCALL (lstat64, err, 2, file, st);
|
|
else
|
|
result = INTERNAL_SYSCALL (stat64, err, 2, file, st);
|
|
|
|
if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
|
|
return result;
|
|
errno_out = INTERNAL_SYSCALL_ERRNO (result, err);
|
|
if (errno_out != ENOSYS)
|
|
goto fail;
|
|
__libc_missing_axp_stat64 = 1;
|
|
}
|
|
|
|
if (flag & AT_SYMLINK_NOFOLLOW)
|
|
result = INTERNAL_SYSCALL (lstat, err, 2, file, &kst);
|
|
else
|
|
result = INTERNAL_SYSCALL (stat, err, 2, file, &kst);
|
|
|
|
if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1))
|
|
return __xstat_conv (vers, &kst, st);
|
|
errno_out = INTERNAL_SYSCALL_ERRNO (result, err);
|
|
|
|
fail:
|
|
__atfct_seterrno (errno_out, fd, buf);
|
|
|
|
return -1;
|
|
}
|
|
libc_hidden_def (__fxstatat)
|
|
strong_alias (__fxstatat, __fxstatat64);
|
|
libc_hidden_ver(__fxstatat, __fxstatat64);
|