diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/fxstatat64.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/fxstatat64.c | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/sysdeps/unix/sysv/linux/fxstatat64.c b/sysdeps/unix/sysv/linux/fxstatat64.c deleted file mode 100644 index cb932b8e59..0000000000 --- a/sysdeps/unix/sysv/linux/fxstatat64.c +++ /dev/null @@ -1,167 +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. */ - -#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> - -#if __ASSUME_STAT64_SYSCALL == 0 -# include <xstatconv.h> -#endif - -#ifdef __NR_stat64 -# if __ASSUME_STAT64_SYSCALL == 0 -/* The variable is shared between all wrappers around *stat64 calls. - This is the definition. */ -extern int __have_no_stat64; -# endif -#endif - -/* Get information about the file NAME in BUF. */ - -int -__fxstatat64 (int vers, int fd, const char *file, struct stat64 *st, int flag) -{ - if (__builtin_expect (vers != _STAT_VER_LINUX, 0)) - { - __set_errno (EINVAL); - return -1; - } - - int result; - INTERNAL_SYSCALL_DECL (err); - -#ifdef __NR_fstatat64 -# ifndef __ASSUME_ATFCTS - if (__have_atfcts >= 0) -# endif - { - result = INTERNAL_SYSCALL (fstatat64, err, 4, fd, file, st, 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 0; - else - { - __set_errno (INTERNAL_SYSCALL_ERRNO (result, err)); - return -1; - } - } -#endif - -#ifndef __ASSUME_ATFCTS - 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; - } - -# if __ASSUME_STAT64_SYSCALL > 0 - if (flag & AT_SYMLINK_NOFOLLOW) - result = INTERNAL_SYSCALL (lstat64, err, 2, CHECK_STRING (file), - CHECK_1 (st)); - else - result = INTERNAL_SYSCALL (stat64, err, 2, CHECK_STRING (file), - CHECK_1 (st)); - if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1)) - { -# if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0 - if (st->__st_ino != (__ino_t) st->st_ino) - st->st_ino = st->__st_ino; -# endif - return result; - } -# else - struct kernel_stat kst; -# ifdef __NR_stat64 - if (! __have_no_stat64) - { - if (flag & AT_SYMLINK_NOFOLLOW) - result = INTERNAL_SYSCALL (lstat64, err, 2, CHECK_STRING (file), - CHECK_1 (st)); - else - result = INTERNAL_SYSCALL (stat64, err, 2, CHECK_STRING (file), - CHECK_1 (st)); - - if (__builtin_expect (!INTERNAL_SYSCALL_ERROR_P (result, err), 1)) - { -# if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0 - if (st->__st_ino != (__ino_t) st->st_ino) - st->st_ino = st->__st_ino; -# endif - return result; - } - if (INTERNAL_SYSCALL_ERRNO (result, err) != ENOSYS) - goto fail; - - __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 __xstat64_conv (vers, &kst, st); - - fail: -# endif - __atfct_seterrno (INTERNAL_SYSCALL_ERRNO (result, err), fd, buf); - - return -1; -#endif -} -libc_hidden_def (__fxstatat64) |