libc/sysdeps/linux/common/fstatfs.c

   1 /*
   2  * fstatfs() for uClibc
   3  *
   4  * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
   5  *
   6  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
   7  */
   8
   9 #include <sys/syscall.h>
  10 #include <sys/vfs.h>
  11 #include <string.h>
  12
  13 #ifndef __USE_FILE_OFFSET64__
  14 extern int fstatfs (int __fildes, struct statfs *__buf)
  15      __THROW __nonnull ((2));
  16 #else
  17 # ifdef __REDIRECT_NTH
  18 extern int __REDIRECT_NTH (fstatfs, (int __fildes, struct statfs *__buf),
  19         fstatfs64) __nonnull ((2));
  20 # else
  21 #  define fstatfs fstatfs64
  22 # endif
  23 #endif
  24
  25 extern __typeof(fstatfs) __libc_fstatfs attribute_hidden;
  26 #ifdef __NR_fstatfs
  27 # define __NR___libc_fstatfs __NR_fstatfs
  28 _syscall2(int, __libc_fstatfs, int, fd, struct statfs *, buf)
  29 #else
  30 int __libc_fstatfs (int __fildes, struct statfs *__buf)
  31 {
  32         int err = INLINE_SYSCALL(fstatfs64, 3, __fildes, sizeof(*__buf), __buf);
  33         return err;
  34 };
  35 /* Redefined fstatfs because we need it for backwards compatibility */
  36 #endif /* __NR_fstatfs */
  37
  38 #if defined __UCLIBC_LINUX_SPECIFIC__
  39 weak_alias(__libc_fstatfs,fstatfs)
  40 #endif