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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 HAVE_SYS_VFS_H
  33 # include <sys/vfs.h>
  34 #endif
  35 #ifdef HAVE_SYS_MOUNT_H
  36 # include <sys/mount.h>
  37 #endif
  38 #ifdef HAVE_SYS_STATFS_H
  39 # include <sys/statfs.h>
  40 #endif
  41
  42 int statvfs( const char *path, struct statvfs *buf )
  43 {
  44     int ret;
  45 #ifdef HAVE_STATFS
  46     struct statfs info;
  47
  48 /* FIXME: add autoconf check for this */
  49 #if defined(__svr4__) || defined(_SCO_DS) || defined(__sun)
  50     ret = statfs( path, &info, 0, 0 );
  51 #else
  52     ret = statfs( path, &info );
  53 #endif
  54     if (ret >= 0)
  55     {
  56         memset( buf, 0, sizeof(*buf) );
  57         buf->f_bsize   = info.f_bsize;
  58         buf->f_blocks  = info.f_blocks;
  59         buf->f_files   = info.f_files;
  60 #ifdef HAVE_STRUCT_STATFS_F_NAMELEN
  61         buf->f_namemax = info.f_namelen;
  62 #endif
  63 #ifdef HAVE_STRUCT_STATFS_F_FRSIZE
  64         buf->f_frsize  = info.f_frsize;
  65 #else
  66         buf->f_frsize  = info.f_bsize;
  67 #endif
  68 #ifdef HAVE_STRUCT_STATFS_F_BFREE
  69         buf->f_bfree   = info.f_bfree;
  70 #else
  71         buf->f_bfree   = info.f_bavail;
  72 #endif
  73 #ifdef HAVE_STRUCT_STATFS_F_BAVAIL
  74         buf->f_bavail  = info.f_bavail;
  75 #else
  76         buf->f_bavail  = info.f_bfree;
  77 #endif
  78 #ifdef HAVE_STRUCT_STATFS_F_FFREE
  79         buf->f_ffree   = info.f_ffree;
  80 #else
  81         buf->f_ffree   = info.f_favail;
  82 #endif
  83 #ifdef HAVE_STRUCT_STATFS_F_FAVAIL
  84         buf->f_favail  = info.f_favail;
  85 #else
  86         buf->f_favail  = info.f_ffree;
  87 #endif
  88     }
  89 #else  /* HAVE_STATFS */
  90     ret = -1;
  91     errno = ENOSYS;
  92 #endif  /* HAVE_STATFS */
  93     return ret;
  94 }
  95
  96 #endif /* HAVE_STATVFS */