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glibc  2.9
fstatvfs.c
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00001 /* Copyright (C) 1998, 1999, 2000, 2002, 2003 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #include <stddef.h>
00021 #include <sys/stat.h>
00022 #include <sys/statfs.h>
00023 #include <sys/statvfs.h>
00024 
00025 extern void __internal_statvfs (const char *name, struct statvfs *buf,
00026                             struct statfs *fsbuf, struct stat64 *st);
00027 
00028 
00029 int
00030 fstatvfs (int fd, struct statvfs *buf)
00031 {
00032   struct statfs fsbuf;
00033   struct stat64 st;
00034 
00035   /* Get as much information as possible from the system.  */
00036   if (__fstatfs (fd, &fsbuf) < 0)
00037     return -1;
00038 
00039   /* Convert the result.  */
00040   __internal_statvfs (NULL, buf, &fsbuf, fstat64 (fd, &st) == -1 ? NULL : &st);
00041 
00042   /* We signal success if the statfs call succeeded.  */
00043   return 0;
00044 }
00045 libc_hidden_def (fstatvfs)