1 /* fxstat using old-style Unix fstat system call.
2 Copyright (C) 1991,1995-1998,2000,2002,2003 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
20 /* Ho hum, if xstat == xstat64 we must get rid of the prototype or gcc
21 will complain since they don't strictly match. */
22 #define __fxstat64 __fxstat64_disable
27 #include <kernel_stat.h>
30 #include <sys/syscall.h>
31 #include <bp-checks.h>
33 #include "kernel-features.h"
35 #include <xstatconv.h>
38 # if __ASSUME_STAT64_SYSCALL == 0
39 /* The variable is shared between all wrappers around *stat64 calls. */
40 extern int __have_no_stat64
;
44 /* Get information about the file FD in BUF. */
46 __fxstat (int vers
, int fd
, struct stat
*buf
)
48 #if __ASSUME_STAT64_SYSCALL == 0
49 struct kernel_stat kbuf
;
53 if (vers
== _STAT_VER_KERNEL
)
54 return INLINE_SYSCALL (fstat
, 2, fd
, CHECK_1 ((struct kernel_stat
*) buf
));
56 #if __ASSUME_STAT64_SYSCALL > 0
60 result
= INLINE_SYSCALL (fstat64
, 2, fd
, __ptrvalue (&buf64
));
62 result
= __xstat32_conv (vers
, &buf64
, buf
);
67 # if defined __NR_stat64
68 /* To support 32 bit UIDs, we have to use stat64. The normal stat call only returns
70 if (! __have_no_stat64
)
74 result
= INLINE_SYSCALL (fstat64
, 2, fd
, __ptrvalue (&buf64
));
77 result
= __xstat32_conv (vers
, &buf64
, buf
);
79 if (result
!= -1 || errno
!= ENOSYS
)
86 result
= INLINE_SYSCALL (fstat
, 2, fd
, __ptrvalue (&kbuf
));
88 result
= __xstat_conv (vers
, &kbuf
, buf
);
91 #endif /* __ASSUME_STAT64_SYSCALL */
95 weak_alias (__fxstat
, _fxstat
);
96 #ifdef XSTAT_IS_XSTAT64
98 strong_alias (__fxstat
, __fxstat64
);
99 hidden_ver (__fxstat
, __fxstat64
)