1 /* fxstat64 using old-style Unix fstat system call.
2 Copyright (C) 1997-2002, 2003, 2006 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
23 #include <kernel_stat.h>
26 #include <sys/syscall.h>
27 #include <bp-checks.h>
29 #include <kernel-features.h>
31 #if __ASSUME_STAT64_SYSCALL == 0
32 # include <xstatconv.h>
36 # if __ASSUME_STAT64_SYSCALL == 0
37 /* The variable is shared between all wrappers around *stat64 calls. */
38 //extern int __have_no_stat64;
42 static int __have_no_stat64
;
44 /* Get information about the file FD in BUF. */
47 kernel_fxstat64 (int vers
, int fd
, struct stat64
*buf
)
50 #if __ASSUME_STAT64_SYSCALL > 0
51 result
= INLINE_SYSCALL (fstat64
, 2, fd
, CHECK_1 (buf
));
52 # if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
53 if (__builtin_expect (!result
, 1) && buf
->__st_ino
!= (__ino_t
) buf
->st_ino
)
54 buf
->st_ino
= buf
->__st_ino
;
58 struct kernel_stat kbuf
;
59 # if defined __NR_fstat64
60 if (! __have_no_stat64
)
62 int saved_errno
= errno
;
63 result
= INLINE_SYSCALL (fstat64
, 2, fd
, CHECK_1 (buf
));
65 if (result
!= -1 || errno
!= ENOSYS
)
67 # if defined _HAVE_STAT64___ST_INO && __ASSUME_ST_INO_64_BIT == 0
68 if (!result
&& buf
->__st_ino
!= (__ino_t
)buf
->st_ino
)
69 buf
->st_ino
= buf
->__st_ino
;
74 __set_errno (saved_errno
);
78 result
= INLINE_SYSCALL (fstat
, 2, fd
, __ptrvalue (&kbuf
));
80 result
= __xstat64_conv (vers
, &kbuf
, buf
);
88 #include <shlib-compat.h>
90 #if SHLIB_COMPAT(libc, GLIBC_2_1, GLIBC_2_2)
91 versioned_symbol (libc
, ___fxstat64
, __fxstat64
, GLIBC_2_2
);
92 strong_alias (___fxstat64
, __old__fxstat64
)
93 compat_symbol (libc
, __old__fxstat64
, __fxstat64
, GLIBC_2_1
);
94 hidden_ver (___fxstat64
, __fxstat64
)
96 strong_alias (___fxstat64
, __fxstat64
)
97 hidden_def (__fxstat64
)