diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/fxstatat.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/i386/fxstatat.c | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/fxstatat.c b/sysdeps/unix/sysv/linux/i386/fxstatat.c deleted file mode 100644 index 94f6e81186..0000000000 --- a/sysdeps/unix/sysv/linux/i386/fxstatat.c +++ /dev/null @@ -1,176 +0,0 @@ -/* 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. */ - -/* Ho hum, if fxstatat == fxstatat64 we must get rid of the prototype or gcc - will complain since they don't strictly match. */ -#define __fxstatat64 __fxstatat64_disable - -#include <errno.h> -#include <fcntl.h> -#include <stddef.h> -#include <stdio.h> -#include <string.h> -#include <sys/stat.h> -#include <kernel_stat.h> - -#include <sysdep.h> -#include <sys/syscall.h> -#include <bp-checks.h> - -#include <kernel-features.h> - -#include <xstatconv.h> - -#ifdef __NR_stat64 -# if __ASSUME_STAT64_SYSCALL == 0 -/* The variable is shared between all wrappers around *stat64 calls. */ -extern int __have_no_stat64; -# endif -#endif - - -/* Get information about the file NAME relative to FD in ST. */ -int -__fxstatat (int vers, int fd, const char *file, struct stat *st, int flag) -{ - int result; - INTERNAL_SYSCALL_DECL (err); - struct stat64 st64; - -#ifdef __NR_fstatat64 -# ifndef __ASSUME_ATFCTS - if (__have_atfcts >= 0) -# endif - { - result = INTERNAL_SYSCALL (fstatat64, err, 4, fd, file, &st64, flag); -# ifndef __ASSUME_ATFCTS - if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 1) - && INTERNAL_SYSCALL_ERRNO (result, err) == ENOSYS) - __have_atfcts = -1; - else -# endif - if (!__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 1)) - return __xstat32_conv (vers, &st64, st); - else - { - __set_errno (INTERNAL_SYSCALL_ERRNO (result, err)); - return -1; - } - } -#endif - -#ifndef __ASSUME_ATFCTS - if (__builtin_expect (flag & ~AT_SYMLINK_NOFOLLOW, 0)) - { - __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; - } - -# if __ASSUME_STAT64_SYSCALL == 0 - struct kernel_stat kst; -# endif - if (vers == _STAT_VER_KERNEL) - { - if (flag & AT_SYMLINK_NOFOLLOW) - result = INTERNAL_SYSCALL (lstat, err, 2, CHECK_STRING (file), - CHECK_1 ((struct kernel_stat *) st)); - else - result = INTERNAL_SYSCALL (stat, err, 2, CHECK_STRING (file), - CHECK_1 ((struct kernel_stat *) st)); - goto out; - } - -# if __ASSUME_STAT64_SYSCALL > 0 - - if (flag & AT_SYMLINK_NOFOLLOW) - result = INTERNAL_SYSCALL (lstat64, err, 2, CHECK_STRING (file), - __ptrvalue (&st64)); - else - result = INTERNAL_SYSCALL (stat64, err, 2, CHECK_STRING (file), - __ptrvalue (&st64)); - if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1)) - return __xstat32_conv (vers, &st64, st); -# else -# if defined __NR_stat64 - /* To support 32 bit UIDs, we have to use stat64. The normal stat - call only returns 16 bit UIDs. */ - if (! __have_no_stat64) - { - if (flag & AT_SYMLINK_NOFOLLOW) - result = INTERNAL_SYSCALL (lstat64, err, 2, CHECK_STRING (file), - __ptrvalue (&st64)); - else - result = INTERNAL_SYSCALL (stat64, err, 2, CHECK_STRING (file), - __ptrvalue (&st64)); - - if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1)) - result = __xstat32_conv (vers, &st64, st); - - if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1) - || INTERNAL_SYSCALL_ERRNO (result, err) != ENOSYS) - goto out; - - __have_no_stat64 = 1; - } -# endif - if (flag & AT_SYMLINK_NOFOLLOW) - result = INTERNAL_SYSCALL (lstat, err, 2, CHECK_STRING (file), - __ptrvalue (&kst)); - else - result = INTERNAL_SYSCALL (stat, err, 2, CHECK_STRING (file), - __ptrvalue (&kst)); - if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1)) - return __xstat_conv (vers, &kst, st); -# endif /* __ASSUME_STAT64_SYSCALL */ - - out: - if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (result, err), 0)) - { - __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (result, err), fd, buf); - result = -1; - } - - return result; -#endif -} -libc_hidden_def (__fxstatat) -#ifdef XSTAT_IS_XSTAT64 -# undef __fxstatat64 -strong_alias (__fxstatat, __fxstatat64); -libc_hidden_ver (__fxstatat, __fxstatat64) -#endif |