1 files changed, 212 insertions, 0 deletions
diff --git a/windirstat/osspecific.cpp b/windirstat/osspecific.cpp
new file mode 100644
index 0000000..e31a8d3
--- /dev/null
+++ b/windirstat/osspecific.cpp
@@ -0,0 +1,212 @@
+// osspecific.cpp	- Implementation of the platform-specific classes
+//
+// WinDirStat - Directory Statistics
+// Copyright (C) 2003 Bernhard Seifert
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+// Author: bseifert@users.sourceforge.net, bseifert@daccord.net
+
+#include "stdafx.h"
+#include "osspecific.h"
+
+#ifdef UNICODE
+#define TSPEC "W"
+#else
+#define TSPEC "A"
+#endif
+
+#define GETPROC(name) m_##name = ( m_dll != 0 ? (Type##name)GetProcAddress(m_dll, #name) : NULL )
+#define TGETPROC(name) m_##name = ( m_dll != 0 ? (Type##name)GetProcAddress(m_dll, #name TSPEC) : NULL )
+
+#define CHECK(name) if (m_##name == 0) return false
+
+/////////////////////////////////////////////////////////////////////////////
+
+CVolumeApi::CVolumeApi()
+{
+	m_dll= LoadLibrary(_T("kernel32.dll"));
+
+	TGETPROC(GetVolumeNameForVolumeMountPoint);
+	TGETPROC(FindFirstVolume);
+	TGETPROC(FindNextVolume);
+	GETPROC(FindVolumeClose);
+	TGETPROC(FindFirstVolumeMountPoint);
+	TGETPROC(FindNextVolumeMountPoint);
+	GETPROC(FindVolumeMountPointClose);
+}
+
+CVolumeApi::~CVolumeApi()
+{
+	if (m_dll != NULL)
+		FreeLibrary(m_dll);
+	// "It is not safe to call FreeLibrary from DllMain."
+	// Therefore, don't use global variables of type CVolumeApi in a DLL.
+}
+
+bool CVolumeApi::IsSupported()
+{
+	CHECK(GetVolumeNameForVolumeMountPoint);
+	CHECK(FindFirstVolume);
+	CHECK(FindNextVolume);
+	CHECK(FindVolumeClose);
+	CHECK(FindFirstVolumeMountPoint);
+	CHECK(FindNextVolumeMountPoint);
+	CHECK(FindVolumeMountPointClose);
+
+	return true;
+}
+
+
+BOOL CVolumeApi::GetVolumeNameForVolumeMountPoint(LPCTSTR lpszVolumeMountPoint, LPTSTR lpszVolumeName, DWORD cchBufferLength)
+{
+	ASSERT(IsSupported());
+	return (*m_GetVolumeNameForVolumeMountPoint)(lpszVolumeMountPoint, lpszVolumeName, cchBufferLength);
+}
+
+HANDLE CVolumeApi::FindFirstVolume(LPTSTR lpszVolumeName, DWORD cchBufferLength)
+{
+	ASSERT(IsSupported());
+	return (*m_FindFirstVolume)(lpszVolumeName, cchBufferLength);
+}
+
+BOOL CVolumeApi::FindNextVolume(HANDLE hFindVolume, LPTSTR lpszVolumeName, DWORD cchBufferLength)
+{
+	ASSERT(IsSupported());
+	return (*m_FindNextVolume)(hFindVolume, lpszVolumeName, cchBufferLength);
+}
+
+BOOL CVolumeApi::FindVolumeClose(HANDLE hFindVolume)
+{
+	ASSERT(IsSupported());
+	return (*m_FindVolumeClose)(hFindVolume);
+}
+
+
+HANDLE CVolumeApi::FindFirstVolumeMountPoint(LPCTSTR lpszRootPathName, LPTSTR lpszVolumeMountPoint, DWORD cchBufferLength)
+{
+	ASSERT(IsSupported());
+	return (*m_FindFirstVolumeMountPoint)(lpszRootPathName, lpszVolumeMountPoint, cchBufferLength);
+}
+
+BOOL CVolumeApi::FindNextVolumeMountPoint(HANDLE hFindVolumeMountPoint, LPTSTR lpszVolumeMountPoint, DWORD cchBufferLength)
+{
+	ASSERT(IsSupported());
+	return (*m_FindNextVolumeMountPoint)(hFindVolumeMountPoint, lpszVolumeMountPoint, cchBufferLength);
+}
+
+BOOL CVolumeApi::FindVolumeMountPointClose(HANDLE hFindVolumeMountPoint)
+{
+	ASSERT(IsSupported());
+	return (*m_FindVolumeMountPointClose)(hFindVolumeMountPoint);
+}
+
+
+
+/////////////////////////////////////////////////////////////////////////////
+
+CRecycleBinApi::CRecycleBinApi()
+{
+	m_dll= LoadLibrary(_T("shell32.dll"));
+
+	TGETPROC(SHEmptyRecycleBin);
+	TGETPROC(SHQueryRecycleBin);
+}
+
+CRecycleBinApi::~CRecycleBinApi()
+{
+	if (m_dll != NULL)
+		FreeLibrary(m_dll);
+}
+
+bool CRecycleBinApi::IsSupported()
+{
+	CHECK(SHEmptyRecycleBin);
+	CHECK(SHQueryRecycleBin);
+
+	return true;
+}
+
+HRESULT CRecycleBinApi::SHEmptyRecycleBin(HWND hwnd, LPCTSTR pszRootPath, DWORD dwFlags)
+{
+	ASSERT(IsSupported());
+	return (*m_SHEmptyRecycleBin)(hwnd, pszRootPath, dwFlags);
+}
+
+HRESULT CRecycleBinApi::SHQueryRecycleBin(LPCTSTR pszRootPath, LPSHQUERYRBINFO pSHQueryRBInfo)
+{
+	ASSERT(IsSupported());
+	return (*m_SHQueryRecycleBin)(pszRootPath, pSHQueryRBInfo);
+}
+
+/////////////////////////////////////////////////////////////////////////////
+
+CPsapi::CPsapi()
+{
+	m_dll= LoadLibrary(_T("psapi.dll"));
+
+	GETPROC(GetProcessMemoryInfo);
+}
+
+CPsapi::~CPsapi()
+{
+	if (m_dll != NULL)
+		FreeLibrary(m_dll);
+}
+
+bool CPsapi::IsSupported()
+{
+	CHECK(GetProcessMemoryInfo);
+	return true;
+}
+
+BOOL CPsapi::GetProcessMemoryInfo(HANDLE Process, PPROCESS_MEMORY_COUNTERS ppsmemCounters, DWORD cb)
+{
+	ASSERT(IsSupported());
+	return (*m_GetProcessMemoryInfo)(Process, ppsmemCounters, cb);
+}
+
+
+/////////////////////////////////////////////////////////////////////////////
+
+CMapi32Api::CMapi32Api()
+{
+	m_dll= LoadLibrary(_T("mapi32.dll"));
+	GETPROC(MAPISendMail);
+}
+
+CMapi32Api::~CMapi32Api()
+{
+	if (m_dll != NULL)
+		FreeLibrary(m_dll);
+}
+
+bool CMapi32Api::IsDllPresent()
+{
+	return SearchPath(NULL, _T("mapi32.dll"), NULL, 0, NULL, NULL) != 0;
+}
+
+bool CMapi32Api::IsSupported()
+{
+	CHECK(MAPISendMail);
+	return true;
+}
+
+ULONG CMapi32Api::MAPISendMail(LHANDLE lhSession, ULONG ulUIParam, lpMapiMessage lpMessage, FLAGS flFlags, ULONG ulReserved)
+{
+	ASSERT(IsSupported());
+	return (*m_MAPISendMail)(lhSession, ulUIParam, lpMessage, flFlags, ulReserved);
+}
+