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-rw-r--r--sal/osl/w32/module.cxx250
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diff --git a/sal/osl/w32/module.cxx b/sal/osl/w32/module.cxx
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+++ b/sal/osl/w32/module.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 "system.h"
+#include <psapi.h>
+
+#include "file_url.hxx"
+#include "path_helper.hxx"
+
+#include <osl/module.h>
+#include <osl/diagnose.h>
+#include <osl/thread.h>
+#include <osl/file.h>
+#include <sal/log.hxx>
+#include <o3tl/char16_t2wchar_t.hxx>
+#include <vector>
+
+/*
+ under WIN32, we use the void* oslModule
+ as a WIN32 HANDLE (which is also a 32-bit value)
+*/
+
+oslModule SAL_CALL osl_loadModule(rtl_uString *strModuleName, sal_Int32 /*nRtldMode*/ )
+{
+ HMODULE h;
+#if OSL_DEBUG_LEVEL < 2
+ UINT errorMode = SetErrorMode(SEM_NOOPENFILEERRORBOX | SEM_FAILCRITICALERRORS);
+#endif
+ rtl_uString* Module = nullptr;
+ oslModule ret = nullptr;
+ oslFileError nError;
+
+ SAL_INFO( "sal.osl", "osl_loadModule: " << OUString(strModuleName) );
+ OSL_ASSERT(strModuleName);
+
+ nError = osl_getSystemPathFromFileURL(strModuleName, &Module);
+
+ if ( osl_File_E_None != nError )
+ rtl_uString_assign(&Module, strModuleName);
+
+ h = LoadLibraryW(o3tl::toW(Module->buffer));
+
+ if (h == nullptr)
+ h = LoadLibraryExW(o3tl::toW(Module->buffer), nullptr, LOAD_WITH_ALTERED_SEARCH_PATH);
+
+ // In case of long path names (\\?\c:\...) try to shorten the filename.
+ // LoadLibrary cannot handle file names which exceed 260 letters.
+ // In case the path is too long, the function will fail. However, the error
+ // code can be different. For example, it returned ERROR_FILENAME_EXCED_RANGE
+ // on Windows XP and ERROR_INSUFFICIENT_BUFFER on Windows 7 (64bit)
+ if (h == nullptr && Module->length > 260)
+ {
+ std::vector<WCHAR> vec(Module->length + 1);
+ DWORD len = GetShortPathNameW(o3tl::toW(Module->buffer), vec.data(), Module->length + 1);
+ if (len )
+ {
+ h = LoadLibraryW(vec.data());
+
+ if (h == nullptr)
+ h = LoadLibraryExW(vec.data(), nullptr, LOAD_WITH_ALTERED_SEARCH_PATH);
+ }
+ }
+
+ ret = static_cast<oslModule>(h);
+ rtl_uString_release(Module);
+#if OSL_DEBUG_LEVEL < 2
+ SetErrorMode(errorMode);
+#endif
+
+ return ret;
+}
+
+oslModule SAL_CALL osl_loadModuleAscii(const char *pModuleName, sal_Int32 )
+{
+ HMODULE h;
+ UINT errorMode = SetErrorMode(SEM_NOOPENFILEERRORBOX | SEM_FAILCRITICALERRORS);
+ oslModule ret = nullptr;
+
+ SAL_INFO( "sal.osl", "osl_loadModule: " << pModuleName );
+ OSL_ASSERT(pModuleName);
+
+ h = LoadLibraryA(pModuleName);
+ if (h == nullptr)
+ h = LoadLibraryExA(pModuleName, nullptr,
+ LOAD_WITH_ALTERED_SEARCH_PATH);
+
+ ret = static_cast<oslModule>(h);
+ SetErrorMode(errorMode);
+
+ return ret;
+}
+
+oslModule osl_loadModuleRelativeAscii(
+ oslGenericFunction, char const * relativePath, sal_Int32 mode)
+{
+ return osl_loadModuleAscii(relativePath, mode); //TODO: FIXME
+}
+
+sal_Bool SAL_CALL
+osl_getModuleHandle(rtl_uString *pModuleName, oslModule *pResult)
+{
+ LPCWSTR pName = pModuleName ? o3tl::toW(pModuleName->buffer) : nullptr;
+ HMODULE h = GetModuleHandleW(pName);
+ if( h )
+ {
+ *pResult = static_cast<oslModule>(h);
+ return true;
+ }
+
+ return false;
+}
+
+void SAL_CALL osl_unloadModule(oslModule Module)
+{
+ FreeLibrary(static_cast<HMODULE>(Module));
+}
+
+void* SAL_CALL osl_getSymbol(oslModule Module, rtl_uString *strSymbolName)
+{
+ /* casting from a function pointer to a data pointer is invalid
+ be in this case unavoidable because the API has to stay
+ compatible. We need to keep this function which returns a
+ void* by definition */
+#ifdef _MSC_VER
+#pragma warning(push)
+#pragma warning(disable:4054)
+#endif
+ return reinterpret_cast<void*>(osl_getFunctionSymbol(Module, strSymbolName));
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+}
+
+oslGenericFunction SAL_CALL osl_getFunctionSymbol( oslModule Module, rtl_uString *strSymbolName )
+{
+ rtl_String *symbolName = nullptr;
+ oslGenericFunction address;
+
+ OSL_ASSERT(Module);
+ OSL_ASSERT(strSymbolName);
+
+ rtl_uString2String(
+ &symbolName,
+ strSymbolName->buffer,
+ strSymbolName->length,
+ RTL_TEXTENCODING_UTF8,
+ OUSTRING_TO_OSTRING_CVTFLAGS
+ );
+
+ address=osl_getAsciiFunctionSymbol(Module, rtl_string_getStr(symbolName));
+ rtl_string_release(symbolName);
+
+ return address;
+}
+
+oslGenericFunction SAL_CALL
+osl_getAsciiFunctionSymbol( oslModule Module, const char *pSymbol )
+{
+ oslGenericFunction fncAddr = nullptr;
+
+ if( pSymbol )
+ fncAddr=reinterpret_cast<oslGenericFunction>(GetProcAddress(static_cast<HMODULE>(Module), pSymbol));
+
+ return fncAddr;
+}
+
+sal_Bool SAL_CALL osl_getModuleURLFromAddress( void *pv, rtl_uString **pustrURL )
+{
+ bool bSuccess = false; /* Assume failure */
+ static HMODULE hModPsapi = LoadLibraryW( L"PSAPI.DLL" );
+ static auto lpfnEnumProcessModules = reinterpret_cast<decltype(EnumProcessModules)*>(
+ hModPsapi ? GetProcAddress(hModPsapi, "EnumProcessModules") : nullptr);
+ static auto lpfnGetModuleInformation = reinterpret_cast<decltype(GetModuleInformation)*>(
+ hModPsapi ? GetProcAddress(hModPsapi, "GetModuleInformation") : nullptr);
+
+ if (lpfnEnumProcessModules && lpfnGetModuleInformation)
+ {
+ DWORD cbNeeded = 0;
+ HMODULE* lpModules = nullptr;
+ DWORD nModules = 0;
+ UINT iModule = 0;
+ MODULEINFO modinfo;
+
+ lpfnEnumProcessModules(GetCurrentProcess(), nullptr, 0, &cbNeeded);
+
+ lpModules = static_cast<HMODULE*>(_alloca(cbNeeded));
+ lpfnEnumProcessModules(GetCurrentProcess(), lpModules, cbNeeded, &cbNeeded);
+
+ nModules = cbNeeded / sizeof(HMODULE);
+
+ for (iModule = 0; !bSuccess && iModule < nModules; iModule++)
+ {
+ lpfnGetModuleInformation(GetCurrentProcess(), lpModules[iModule], &modinfo,
+ sizeof(modinfo));
+
+ if (static_cast<BYTE*>(pv) >= static_cast<BYTE*>(modinfo.lpBaseOfDll)
+ && static_cast<BYTE*>(pv)
+ < static_cast<BYTE*>(modinfo.lpBaseOfDll) + modinfo.SizeOfImage)
+ {
+ ::osl::LongPathBuffer<sal_Unicode> aBuffer(MAX_LONG_PATH);
+ rtl_uString* ustrSysPath = nullptr;
+
+ GetModuleFileNameW(lpModules[iModule], o3tl::toW(aBuffer),
+ aBuffer.getBufSizeInSymbols());
+
+ rtl_uString_newFromStr(&ustrSysPath, aBuffer);
+ osl_getFileURLFromSystemPath(ustrSysPath, pustrURL);
+ rtl_uString_release(ustrSysPath);
+
+ bSuccess = true;
+ }
+ }
+ }
+
+ return bSuccess;
+}
+
+sal_Bool SAL_CALL osl_getModuleURLFromFunctionAddress( oslGenericFunction addr, rtl_uString ** ppLibraryUrl )
+{
+ /* casting a function pointer to a data pointer (void*) is
+ not allowed according to the C/C++ standards. In this case
+ it is unavoidable because we have to stay compatible we
+ cannot remove any function. */
+#ifdef _MSC_VER
+#pragma warning(push)
+#pragma warning(disable:4054)
+#endif
+ return osl_getModuleURLFromAddress(reinterpret_cast<void*>(addr), ppLibraryUrl);
+#ifdef _MSC_VER
+#pragma warning(pop)
+#endif
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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