diff options
Diffstat (limited to 'sal/systools/win32/uwinapi/DllMain.cpp')
| -rw-r--r-- | sal/systools/win32/uwinapi/DllMain.cpp | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/sal/systools/win32/uwinapi/DllMain.cpp b/sal/systools/win32/uwinapi/DllMain.cpp new file mode 100644 index 000000000000..ff42ebf1f1dd --- /dev/null +++ b/sal/systools/win32/uwinapi/DllMain.cpp @@ -0,0 +1,236 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#define WIN32_LEAN_AND_MEAN +#ifdef _MSC_VER +#pragma warning(push,1) // disable warnings within system headers +#endif +#include <windows.h> +#ifdef _MSC_VER +#pragma warning(pop) +#endif +#include <malloc.h> +#define _MBCS +#include <tchar.h> + + +HMODULE UWINAPI_BaseAddress = NULL; +const CHAR szUnicowsModuleName[] = "UNICOWS.DLL"; + +static HMODULE WINAPI _LoadUnicowsLibrary(VOID) +{ + CHAR szModulePath[MAX_PATH]; + HMODULE hModuleUnicows = NULL; + + // First search in the same directory as UWINAPI.DLL was loaded from. This is because + // UWINAPI.DLL not always resides in the same directory as the actual application. + + if ( UWINAPI_BaseAddress && GetModuleFileNameA( UWINAPI_BaseAddress, szModulePath, MAX_PATH ) ) + { + char *lpLastBkSlash = _tcsrchr( szModulePath, '\\' ); + + if ( lpLastBkSlash ) + { + size_t nParentDirSize = (size_t) (_tcsinc( lpLastBkSlash ) - szModulePath); + LPSTR lpUnicowsModulePath = (LPTSTR)_alloca( nParentDirSize + sizeof(szUnicowsModuleName) ); + + if ( lpUnicowsModulePath ) + { + _tcsncpy( lpUnicowsModulePath, szModulePath, nParentDirSize ); + _tcscpy( lpUnicowsModulePath + nParentDirSize, szUnicowsModuleName ); + + hModuleUnicows = LoadLibraryA( lpUnicowsModulePath ); + } + } + } + + // Search at the common places + + if ( !hModuleUnicows ) + hModuleUnicows = LoadLibraryA(szUnicowsModuleName); + + return hModuleUnicows; +} + +static HMODULE WINAPI LoadUnicowsLibrary(VOID) +{ + HMODULE hModuleUnicows; + int idMsg = IDOK; + + do + { + hModuleUnicows = _LoadUnicowsLibrary(); + + if ( !hModuleUnicows ) + { + LPVOID lpMsgBuf; + + FormatMessageA( + FORMAT_MESSAGE_ALLOCATE_BUFFER | + FORMAT_MESSAGE_FROM_SYSTEM | + FORMAT_MESSAGE_IGNORE_INSERTS, + NULL, + ERROR_DLL_NOT_FOUND /* GetLastError() */, + MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language + (LPSTR)&lpMsgBuf, + 0, + NULL + ); + // Process any inserts in lpMsgBuf. + CHAR szModuleFileName[MAX_PATH]; + + GetModuleFileNameA( NULL, szModuleFileName, sizeof(szModuleFileName) ); + LPSTR lpMessage = (LPSTR)_alloca( strlen( (LPCSTR)lpMsgBuf ) + sizeof(szUnicowsModuleName) + 1 ); + strcpy( lpMessage, (LPCSTR)lpMsgBuf ); + strcat( lpMessage, "\n" ); + strcat( lpMessage, szUnicowsModuleName ); + // Free the buffer. + LocalFree( lpMsgBuf ); + // Display the string. + idMsg = MessageBoxA( NULL, lpMessage, + szModuleFileName, MB_ABORTRETRYIGNORE | MB_ICONERROR | MB_TASKMODAL ); + + if ( IDABORT == idMsg ) + TerminateProcess( GetCurrentProcess(), 255 ); + } + } while ( !hModuleUnicows && IDRETRY == idMsg ); + + return hModuleUnicows; +} + +extern "C" { +FARPROC _PfnLoadUnicows = (FARPROC)LoadUnicowsLibrary; +} + +#ifdef __MINGW32__ + +extern "C" { + +typedef void (*func_ptr) (void); +extern func_ptr __CTOR_LIST__[]; +extern func_ptr __DTOR_LIST__[]; + +static void do_startup(void); +static void do_cleanup(void); + +HMODULE hModuleUnicowsDLL; + +void +__do_global_dtors (void) +{ + static func_ptr *p = __DTOR_LIST__ + 1; + + /* + * Call each destructor in the destructor list until a null pointer + * is encountered. + */ + while (*p) + { + (*(p)) (); + p++; + } +} + +void +__do_global_ctors (void) +{ + unsigned long nptrs = (unsigned long) __CTOR_LIST__[0]; + unsigned i; + + /* + * If the first entry in the constructor list is -1 then the list + * is terminated with a null entry. Otherwise the first entry was + * the number of pointers in the list. + */ + if (nptrs == static_cast<unsigned long>(-1)) + { + for (nptrs = 0; __CTOR_LIST__[nptrs + 1] != 0; nptrs++) + ; + } + + /* + * Go through the list backwards calling constructors. + */ + for (i = nptrs; i >= 1; i--) + { + __CTOR_LIST__[i] (); + } + + /* + * Register the destructors for processing on exit. + */ + atexit (__do_global_dtors); +} + +static int initialized = 0; + +void +__main (void) +{ + if (!initialized) + { + initialized = 1; + do_startup(); + __do_global_ctors (); + } +} + +static void do_startup( void ) +{ + if (((LONG)GetVersion()&0x800000ff) == 0x80000004) + { + hModuleUnicowsDLL = LoadUnicowsLibrary(); + if (hModuleUnicowsDLL) + atexit(do_cleanup); + } +} + +void do_cleanup( void ) +{ + FreeLibrary(hModuleUnicowsDLL); +} +} + +#endif + +extern "C" BOOL WINAPI DllMain( HMODULE hModule, DWORD dwReason, LPVOID ) +{ + switch ( dwReason ) + { + case DLL_PROCESS_ATTACH: + UWINAPI_BaseAddress = hModule; + return DisableThreadLibraryCalls( hModule ); + default: + return TRUE; + } + +} + + + + + |