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diff --git a/sal/osl/unx/file_volume.cxx b/sal/osl/unx/file_volume.cxx
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+++ b/sal/osl/unx/file_volume.cxx
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <sal/config.h>
+
+#include <osl/file.h>
+
+#include <osl/diagnose.h>
+#include <osl/thread.h>
+#include <rtl/alloc.h>
+
+#include "file_error_transl.hxx"
+#include "file_url.hxx"
+#include "system.hxx"
+
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/wait.h>
+#include <sal/macros.h>
+
+#ifdef HAVE_STATFS_H
+#undef HAVE_STATFS_H
+#endif
+
+#if defined(LINUX) && defined(__FreeBSD_kernel__)
+#undef LINUX
+#define FREEBSD 1
+#endif
+
+#if defined(__sun)
+
+#include <sys/mnttab.h>
+#include <sys/statvfs.h>
+#define HAVE_STATFS_H
+
+#elif defined(LINUX)
+
+#include <mntent.h>
+#include <sys/vfs.h>
+#define HAVE_STATFS_H
+
+#elif defined(NETBSD) || defined(FREEBSD) || defined(OPENBSD) || defined(DRAGONFLY)
+
+#include <sys/param.h>
+#include <sys/ucred.h>
+#include <sys/mount.h>
+#define HAVE_STATFS_H
+
+#elif defined(MACOSX)
+
+#include <sys/param.h>
+#include <sys/mount.h>
+#define HAVE_STATFS_H
+
+#endif /* HAVE_STATFS_H */
+
+/************************************************************************
+ * ToDo
+ *
+ * - Fix: check for corresponding struct sizes in exported functions
+ * - check size/use of oslVolumeInfo
+ ***********************************************************************/
+
+/******************************************************************************
+ *
+ * C-String Function Declarations
+ *
+ *****************************************************************************/
+
+static oslFileError osl_psz_getVolumeInformation(const char* , oslVolumeInfo* pInfo, sal_uInt32 uFieldMask);
+
+/****************************************************************************/
+/* osl_getVolumeInformation */
+/****************************************************************************/
+
+oslFileError osl_getVolumeInformation( rtl_uString* ustrDirectoryURL, oslVolumeInfo* pInfo, sal_uInt32 uFieldMask )
+{
+ char path[PATH_MAX];
+ oslFileError eRet;
+
+ OSL_ASSERT( ustrDirectoryURL );
+ OSL_ASSERT( pInfo );
+
+ /* convert directory url to system path */
+ eRet = FileURLToPath( path, PATH_MAX, ustrDirectoryURL );
+ if( eRet != osl_File_E_None )
+ return eRet;
+
+#ifdef MACOSX
+ if ( macxp_resolveAlias( path, PATH_MAX ) != 0 )
+ return oslTranslateFileError( errno );
+#endif/* MACOSX */
+
+ return osl_psz_getVolumeInformation( path, pInfo, uFieldMask);
+}
+
+/******************************************************************************
+ *
+ * C-String Versions of Exported Module Functions
+ *
+ *****************************************************************************/
+
+#ifdef HAVE_STATFS_H
+
+#if defined(FREEBSD) || defined(MACOSX) || defined(OPENBSD) || defined(DRAGONFLY)
+# define OSL_detail_STATFS_STRUCT struct statfs
+# define OSL_detail_STATFS(dir, sfs) statfs((dir), (sfs))
+# define OSL_detail_STATFS_BLKSIZ(a) (static_cast<sal_uInt64>((a).f_bsize))
+# define OSL_detail_STATFS_TYPENAME(a) ((a).f_fstypename)
+#if defined(OPENBSD)
+# define OSL_detail_STATFS_ISREMOTE(a) (rtl_str_compare((a).f_fstypename, "nfs") == 0)
+#else
+# define OSL_detail_STATFS_ISREMOTE(a) (((a).f_type & MNT_LOCAL) == 0)
+#endif
+
+/* always return true if queried for the properties of
+ the file system. If you think this is wrong under any
+ of the target platforms fix it!!!! */
+# define OSL_detail_STATFS_IS_CASE_SENSITIVE_FS(a) (true)
+# define OSL_detail_STATFS_IS_CASE_PRESERVING_FS(a) (true)
+#endif /* FREEBSD || MACOSX || OPENBSD */
+
+#if defined(NETBSD)
+
+# define OSL_detail_STATFS_STRUCT struct statvfs
+# define OSL_detail_STATFS(dir, sfs) statvfs((dir), (sfs))
+# define OSL_detail_STATFS_ISREMOTE(a) (((a).f_flag & ST_LOCAL) == 0)
+
+# define OSL_detail_STATFS_BLKSIZ(a) ((sal_uInt64)((a).f_bsize))
+# define OSL_detail_STATFS_TYPENAME(a) ((a).f_fstypename)
+
+# define OSL_detail_STATFS_IS_CASE_SENSITIVE_FS(a) (strcmp((a).f_fstypename, "msdos") != 0 && strcmp((a).f_fstypename, "ntfs") != 0 && strcmp((a).f_fstypename, "smbfs") != 0)
+# define OSL_detail_STATFS_IS_CASE_PRESERVING_FS(a) (strcmp((a).f_fstypename, "msdos") != 0)
+#endif /* NETBSD */
+
+#if defined(LINUX)
+# define OSL_detail_NFS_SUPER_MAGIC 0x6969
+# define OSL_detail_SMB_SUPER_MAGIC 0x517B
+# define OSL_detail_MSDOS_SUPER_MAGIC 0x4d44
+# define OSL_detail_NTFS_SUPER_MAGIC 0x5346544e
+# define OSL_detail_STATFS_STRUCT struct statfs
+# define OSL_detail_STATFS(dir, sfs) statfs((dir), (sfs))
+# define OSL_detail_STATFS_BLKSIZ(a) (static_cast<sal_uInt64>((a).f_bsize))
+# define OSL_detail_STATFS_IS_NFS(a) (OSL_detail_NFS_SUPER_MAGIC == (a).f_type)
+# define OSL_detail_STATFS_IS_SMB(a) (OSL_detail_SMB_SUPER_MAGIC == (a).f_type)
+# define OSL_detail_STATFS_ISREMOTE(a) (OSL_detail_STATFS_IS_NFS((a)) || OSL_detail_STATFS_IS_SMB((a)))
+# define OSL_detail_STATFS_IS_CASE_SENSITIVE_FS(a) ((OSL_detail_MSDOS_SUPER_MAGIC != (a).f_type) && (OSL_detail_NTFS_SUPER_MAGIC != (a).f_type))
+# define OSL_detail_STATFS_IS_CASE_PRESERVING_FS(a) ((OSL_detail_MSDOS_SUPER_MAGIC != (a).f_type))
+#endif /* LINUX */
+
+#if defined(__sun)
+# define OSL_detail_STATFS_STRUCT struct statvfs
+# define OSL_detail_STATFS(dir, sfs) statvfs((dir), (sfs))
+# define OSL_detail_STATFS_BLKSIZ(a) ((sal_uInt64)((a).f_frsize))
+# define OSL_detail_STATFS_TYPENAME(a) ((a).f_basetype)
+# define OSL_detail_STATFS_ISREMOTE(a) (rtl_str_compare((a).f_basetype, "nfs") == 0)
+
+/* always return true if queried for the properties of
+ the file system. If you think this is wrong under any
+ of the target platforms fix it!!!! */
+# define OSL_detail_STATFS_IS_CASE_SENSITIVE_FS(a) (true)
+# define OSL_detail_STATFS_IS_CASE_PRESERVING_FS(a) (true)
+#endif /* __sun */
+
+# define OSL_detail_STATFS_INIT(a) (memset(&(a), 0, sizeof(OSL_detail_STATFS_STRUCT)))
+
+#else /* no statfs available */
+
+# define OSL_detail_STATFS_STRUCT struct dummy {int i;}
+# define OSL_detail_STATFS_INIT(a) ((void)a)
+# define OSL_detail_STATFS(dir, sfs) (1)
+# define OSL_detail_STATFS_ISREMOTE(sfs) (false)
+# define OSL_detail_STATFS_IS_CASE_SENSITIVE_FS(a) (true)
+# define OSL_detail_STATFS_IS_CASE_PRESERVING_FS(a) (true)
+#endif /* HAVE_STATFS_H */
+
+static oslFileError osl_psz_getVolumeInformation (
+ const char* pszDirectory, oslVolumeInfo* pInfo, sal_uInt32 uFieldMask)
+{
+ if (!pInfo)
+ return osl_File_E_INVAL;
+
+ pInfo->uValidFields = 0;
+ pInfo->uAttributes = 0;
+ pInfo->uTotalSpace = 0;
+ pInfo->uFreeSpace = 0;
+ pInfo->uUsedSpace = 0;
+
+ if ((uFieldMask
+ & (osl_VolumeInfo_Mask_Attributes | osl_VolumeInfo_Mask_TotalSpace
+ | osl_VolumeInfo_Mask_UsedSpace | osl_VolumeInfo_Mask_FreeSpace
+ | osl_VolumeInfo_Mask_FileSystemName
+ | osl_VolumeInfo_Mask_FileSystemCaseHandling))
+ != 0)
+ {
+ OSL_detail_STATFS_STRUCT sfs;
+ OSL_detail_STATFS_INIT(sfs);
+ // coverity[fs_check_call : FALSE]
+ if ((OSL_detail_STATFS(pszDirectory, &sfs)) < (0))
+ {
+ oslFileError result = oslTranslateFileError(errno);
+ return result;
+ }
+
+ /* FIXME: how to detect the kind of storage (fixed, cdrom, ...) */
+ if (uFieldMask & osl_VolumeInfo_Mask_Attributes)
+ {
+ bool const remote = OSL_detail_STATFS_ISREMOTE(sfs);
+ // extracted from the 'if' to avoid Clang -Wunreachable-code
+ if (remote)
+ pInfo->uAttributes |= osl_Volume_Attribute_Remote;
+
+ pInfo->uValidFields |= osl_VolumeInfo_Mask_Attributes;
+ }
+
+ if (uFieldMask & osl_VolumeInfo_Mask_FileSystemCaseHandling)
+ {
+ if (OSL_detail_STATFS_IS_CASE_SENSITIVE_FS(sfs))
+ pInfo->uAttributes |= osl_Volume_Attribute_Case_Sensitive;
+
+ if (OSL_detail_STATFS_IS_CASE_PRESERVING_FS(sfs))
+ pInfo->uAttributes |= osl_Volume_Attribute_Case_Is_Preserved;
+
+ pInfo->uValidFields |= osl_VolumeInfo_Mask_Attributes;
+ }
+
+#if defined(OSL_detail_STATFS_BLKSIZ)
+
+ if ((uFieldMask & osl_VolumeInfo_Mask_TotalSpace) ||
+ (uFieldMask & osl_VolumeInfo_Mask_UsedSpace))
+ {
+ pInfo->uTotalSpace = OSL_detail_STATFS_BLKSIZ(sfs);
+ pInfo->uTotalSpace *= static_cast<sal_uInt64>(sfs.f_blocks);
+ pInfo->uValidFields |= osl_VolumeInfo_Mask_TotalSpace;
+ }
+
+ if ((uFieldMask & osl_VolumeInfo_Mask_FreeSpace) ||
+ (uFieldMask & osl_VolumeInfo_Mask_UsedSpace))
+ {
+ pInfo->uFreeSpace = OSL_detail_STATFS_BLKSIZ(sfs);
+
+ if (getuid() == 0)
+ pInfo->uFreeSpace *= static_cast<sal_uInt64>(sfs.f_bfree);
+ else
+ pInfo->uFreeSpace *= static_cast<sal_uInt64>(sfs.f_bavail);
+
+ pInfo->uValidFields |= osl_VolumeInfo_Mask_FreeSpace;
+ }
+
+ if ((pInfo->uValidFields & osl_VolumeInfo_Mask_TotalSpace) &&
+ (pInfo->uValidFields & osl_VolumeInfo_Mask_FreeSpace ))
+ {
+ pInfo->uUsedSpace = pInfo->uTotalSpace - pInfo->uFreeSpace;
+ pInfo->uValidFields |= osl_VolumeInfo_Mask_UsedSpace;
+ }
+
+#endif /* OSL_detail_STATFS_BLKSIZ */
+
+#if defined(OSL_detail_STATFS_TYPENAME)
+
+ if (uFieldMask & osl_VolumeInfo_Mask_FileSystemName)
+ {
+ rtl_string2UString(
+ &(pInfo->ustrFileSystemName),
+ OSL_detail_STATFS_TYPENAME(sfs),
+ rtl_str_getLength(OSL_detail_STATFS_TYPENAME(sfs)),
+ osl_getThreadTextEncoding(),
+ OUSTRING_TO_OSTRING_CVTFLAGS);
+ OSL_ASSERT(pInfo->ustrFileSystemName != nullptr);
+
+ pInfo->uValidFields |= osl_VolumeInfo_Mask_FileSystemName;
+ }
+
+#endif /* OSL_detail_STATFS_TYPENAME */
+ }
+
+ pInfo->uMaxNameLength = 0;
+ if (uFieldMask & osl_VolumeInfo_Mask_MaxNameLength)
+ {
+ long nLen = pathconf(pszDirectory, _PC_NAME_MAX);
+ if (nLen > 0)
+ {
+ pInfo->uMaxNameLength = static_cast<sal_uInt32>(nLen);
+ pInfo->uValidFields |= osl_VolumeInfo_Mask_MaxNameLength;
+ }
+ }
+
+ pInfo->uMaxPathLength = 0;
+ if (uFieldMask & osl_VolumeInfo_Mask_MaxPathLength)
+ {
+ long nLen = pathconf (pszDirectory, _PC_PATH_MAX);
+ if (nLen > 0)
+ {
+ pInfo->uMaxPathLength = static_cast<sal_uInt32>(nLen);
+ pInfo->uValidFields |= osl_VolumeInfo_Mask_MaxPathLength;
+ }
+ }
+
+ return osl_File_E_None;
+}
+
+oslFileError osl_getVolumeDeviceMountPath( oslVolumeDeviceHandle, rtl_uString ** )
+{
+ return osl_File_E_INVAL;
+}
+
+oslFileError osl_acquireVolumeDeviceHandle( oslVolumeDeviceHandle )
+{
+ return osl_File_E_INVAL;
+}
+
+oslFileError osl_releaseVolumeDeviceHandle( oslVolumeDeviceHandle )
+{
+ return osl_File_E_INVAL;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */