| /* xstat64 using old-style Unix stat system call. |
| Copyright (C) 1991,1995-2002,2003,2006 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 <stddef.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. */ |
| int __have_no_stat64; |
| # endif |
| #endif |
| |
| /* Get information about the file NAME in BUF. */ |
| |
| int |
| ___xstat64 (int vers, const char *name, struct stat64 *buf) |
| { |
| int result; |
| #if __ASSUME_STAT64_SYSCALL > 0 |
| result = INLINE_SYSCALL (stat64, 2, CHECK_STRING (name), CHECK_1 (buf)); |
| # if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0 |
| if (__builtin_expect (!result, 1) && buf->__st_ino != (__ino_t) buf->st_ino) |
| buf->st_ino = buf->__st_ino; |
| # endif |
| return result; |
| #else |
| struct kernel_stat kbuf; |
| # if defined __NR_stat64 |
| if (! __have_no_stat64) |
| { |
| int saved_errno = errno; |
| result = INLINE_SYSCALL (stat64, 2, CHECK_STRING (name), CHECK_1 (buf)); |
| |
| if (result != -1 || errno != ENOSYS) |
| { |
| # if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0 |
| if (!result && buf->__st_ino != (__ino_t) buf->st_ino) |
| buf->st_ino = buf->__st_ino; |
| # endif |
| return result; |
| } |
| |
| __set_errno (saved_errno); |
| __have_no_stat64 = 1; |
| } |
| # endif |
| |
| result = INLINE_SYSCALL (stat, 2, CHECK_STRING (name), __ptrvalue (&kbuf)); |
| if (result == 0) |
| result = __xstat64_conv (vers, &kbuf, buf); |
| |
| return result; |
| #endif |
| } |
| |
| |
| #include <shlib-compat.h> |
| |
| #if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2) |
| versioned_symbol (libc, ___xstat64, __xstat64, GLIBC_2_2); |
| strong_alias (___xstat64, __old__xstat64) |
| compat_symbol (libc, __old__xstat64, __xstat64, GLIBC_2_1); |
| hidden_ver (___xstat64, __xstat64) |
| #else |
| strong_alias (___xstat64, __xstat64) |
| hidden_def (__xstat64) |
| #endif |