/* -*- 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 #include #include #include #if defined(_WIN32) #define WIN32_LEAN_AND_MEAN #include /* * Gets the installation path from the Windows Registry for the specified * registry key. * * @param hroot open handle to predefined root registry key * @param subKeyName name of the subkey to open * * @return the installation path or NULL, if no installation was found or * if an error occurred */ static wchar_t* getPathFromRegistryKey( HKEY hroot, const wchar_t* subKeyName ) { HKEY hkey; DWORD type; wchar_t* data = NULL; DWORD size; /* open the specified registry key */ if ( RegOpenKeyExW( hroot, subKeyName, 0, KEY_READ, &hkey ) != ERROR_SUCCESS ) { return NULL; } /* find the type and size of the default value */ if ( RegQueryValueExW( hkey, NULL, NULL, &type, NULL, &size) != ERROR_SUCCESS ) { RegCloseKey( hkey ); return NULL; } /* get memory to hold the default value */ data = (wchar_t*) malloc( size + sizeof(wchar_t) ); /* read the default value */ if ( RegQueryValueExW( hkey, NULL, NULL, &type, (LPBYTE) data, &size ) != ERROR_SUCCESS ) { RegCloseKey( hkey ); free( data ); return NULL; } // According to https://msdn.microsoft.com/en-us/ms724911, If the data has the REG_SZ, // REG_MULTI_SZ or REG_EXPAND_SZ type, the string may not have been stored with the // proper terminating null characters data[size / sizeof(wchar_t)] = 0; /* release registry key handle */ RegCloseKey( hkey ); return data; } /* * Gets the installation path from the Windows Registry. * * @return the installation path or NULL, if no installation was found or * if an error occurred */ static wchar_t* platformSpecific() { const wchar_t* UNOPATHVARNAME = L"UNO_PATH"; /* get the installation path from the UNO_PATH environment variable */ wchar_t* env = _wgetenv(UNOPATHVARNAME); if (env && env[0]) { return wcsdup(env); } const wchar_t* SUBKEYNAME = L"Software\\LibreOffice\\UNO\\InstallPath"; /* read the key's default value from HKEY_CURRENT_USER */ wchar_t* path = getPathFromRegistryKey( HKEY_CURRENT_USER, SUBKEYNAME ); if ( path == NULL ) { /* read the key's default value from HKEY_LOCAL_MACHINE */ path = getPathFromRegistryKey( HKEY_LOCAL_MACHINE, SUBKEYNAME ); } return path; } #else #include /* * Gets the installation path from the PATH environment variable. * *

An installation is found, if the executable 'soffice' or a symbolic link * is in one of the directories listed in the PATH environment variable.

* * @return the installation path or NULL, if no installation was found or * if an error occurred */ static char* platformSpecific(void) { const char* UNOPATHVARNAME = "UNO_PATH"; /* get the installation path from the UNO_PATH environment variable */ char* env = getenv(UNOPATHVARNAME); const int SEPARATOR = '/'; const char* PATHSEPARATOR = ":"; const char* PATHVARNAME = "PATH"; const char* APPENDIX = "/libreoffice"; char* path = NULL; char* str = NULL; char* dir = NULL; char* sep = NULL; char buffer[PATH_MAX]; int pos; if (env && env[0]) { return strdup(env); } /* get the value of the PATH environment variable */ env = getenv( PATHVARNAME ); if (env == NULL) return NULL; str = strdup( env ); if (str == NULL) return NULL; /* get the tokens separated by ':' */ dir = strtok( str, PATHSEPARATOR ); while ( dir ) { /* construct soffice file path */ char* resolved = NULL; char* file = (char*) malloc( strlen( dir ) + strlen( APPENDIX ) + 1 ); if (file == NULL) { free(str); return NULL; } strcpy( file, dir ); strcat( file, APPENDIX ); /* resolve symbolic link */ resolved = realpath( file, buffer ); if ( resolved != NULL ) { /* get path to program directory */ sep = strrchr( resolved, SEPARATOR ); if ( sep != NULL ) { pos = sep - resolved; path = (char*) malloc( pos + 1 ); strncpy( path, resolved, pos ); path[ pos ] = '\0'; free( file ); break; } } dir = strtok( NULL, PATHSEPARATOR ); free( file ); } free( str ); return path; } #endif #if defined(_WIN32) wchar_t* #else char* #endif cppuhelper_detail_findSofficePath() { return platformSpecific(); } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */