libs/port/statvfs.c

   1 /*
   2  * statvfs function
   3  *
   4  * Copyright 2004 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #ifndef HAVE_STATVFS
  25
  26 #include <sys/types.h>
  27 #include <sys/stat.h>
  28 #include <errno.h>
  29 #ifdef HAVE_SYS_PARAM_H
  30 # include <sys/param.h>
  31 #endif
  32 #ifdef STATFS_DEFINED_BY_SYS_VFS
  33 # include <sys/vfs.h>
  34 #else
  35 # ifdef STATFS_DEFINED_BY_SYS_MOUNT
  36 #  include <sys/mount.h>
  37 # else
  38 #  ifdef STATFS_DEFINED_BY_SYS_STATFS
  39 #   include <sys/statfs.h>
  40 #  endif
  41 # endif
  42 #endif
  43
  44 int statvfs( const char *path, struct statvfs *buf )
  45 {
  46     int ret;
  47 #ifdef HAVE_STATFS
  48     struct statfs info;
  49
  50 /* FIXME: add autoconf check for this */
  51 #if defined(__svr4__) || defined(_SCO_DS) || defined(__sun)
  52     ret = statfs( path, &info, 0, 0 );
  53 #else
  54     ret = statfs( path, &info );
  55 #endif
  56     if (ret >= 0)
  57     {
  58         memset( buf, 0, sizeof(*buf) );
  59         buf->f_bsize   = info.f_bsize;
  60         buf->f_blocks  = info.f_blocks;
  61         buf->f_files   = info.f_files;
  62 #ifdef HAVE_STRUCT_STATFS_F_NAMELEN
  63         buf->f_namemax = info.f_namelen;
  64 #endif
  65 #ifdef HAVE_STRUCT_STATFS_F_FRSIZE
  66         buf->f_frsize  = info.f_frsize;
  67 #else
  68         buf->f_frsize  = info.f_bsize;
  69 #endif
  70 #ifdef HAVE_STRUCT_STATFS_F_BFREE
  71         buf->f_bfree   = info.f_bfree;
  72 #else
  73         buf->f_bfree   = info.f_bavail;
  74 #endif
  75 #ifdef HAVE_STRUCT_STATFS_F_BAVAIL
  76         buf->f_bavail  = info.f_bavail;
  77 #else
  78         buf->f_bavail  = info.f_bfree;
  79 #endif
  80 #ifdef HAVE_STRUCT_STATFS_F_FFREE
  81         buf->f_ffree   = info.f_ffree;
  82 #else
  83         buf->f_ffree   = info.f_favail;
  84 #endif
  85 #ifdef HAVE_STRUCT_STATFS_F_FAVAIL
  86         buf->f_favail  = info.f_favail;
  87 #else
  88         buf->f_favail  = info.f_ffree;
  89 #endif
  90     }
  91 #else  /* HAVE_STATFS */
  92     ret = -1;
  93     errno = ENOSYS;
  94 #endif  /* HAVE_STATFS */
  95     return ret;
  96 }
  97
  98 #endif /* HAVE_STATVFS */