LCOV - code coverage report
Current view: top level - libreoffice/cppuhelper/source - findsofficepath.c (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 0 42 0.0 %
Date: 2012-12-27 Functions: 0 2 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include "sal/config.h"
      21             : 
      22             : #include <stdlib.h>
      23             : #include <string.h>
      24             : 
      25             : #if defined WNT
      26             : 
      27             : #define WIN32_LEAN_AND_MEAN
      28             : #include <windows.h>
      29             : 
      30             : /*
      31             :  * Gets the installation path from the Windows Registry for the specified
      32             :  * registry key.
      33             :  *
      34             :  * @param hroot       open handle to predefined root registry key
      35             :  * @param subKeyName  name of the subkey to open
      36             :  *
      37             :  * @return the installation path or NULL, if no installation was found or
      38             :  *         if an error occurred
      39             :  */
      40             : static char* getPathFromRegistryKey( HKEY hroot, const char* subKeyName )
      41             : {
      42             :     HKEY hkey;
      43             :     DWORD type;
      44             :     char* data = NULL;
      45             :     DWORD size;
      46             : 
      47             :     /* open the specified registry key */
      48             :     if ( RegOpenKeyEx( hroot, subKeyName, 0, KEY_READ, &hkey ) != ERROR_SUCCESS )
      49             :     {
      50             :         return NULL;
      51             :     }
      52             : 
      53             :     /* find the type and size of the default value */
      54             :     if ( RegQueryValueEx( hkey, NULL, NULL, &type, NULL, &size) != ERROR_SUCCESS )
      55             :     {
      56             :         RegCloseKey( hkey );
      57             :         return NULL;
      58             :     }
      59             : 
      60             :     /* get memory to hold the default value */
      61             :     data = (char*) malloc( size );
      62             : 
      63             :     /* read the default value */
      64             :     if ( RegQueryValueEx( hkey, NULL, NULL, &type, (LPBYTE) data, &size ) != ERROR_SUCCESS )
      65             :     {
      66             :         RegCloseKey( hkey );
      67             :         return NULL;
      68             :     }
      69             : 
      70             :     /* release registry key handle */
      71             :     RegCloseKey( hkey );
      72             : 
      73             :     return data;
      74             : }
      75             : 
      76             : /*
      77             :  * Gets the installation path from the Windows Registry.
      78             :  *
      79             :  * @return the installation path or NULL, if no installation was found or
      80             :  *         if an error occurred
      81             :  */
      82             : static char* platformSpecific()
      83             : {
      84             :     const char* SUBKEYNAME = "Software\\LibreOffice\\UNO\\InstallPath";
      85             : 
      86             :     char* path = NULL;
      87             : 
      88             :     /* read the key's default value from HKEY_CURRENT_USER */
      89             :     path = getPathFromRegistryKey( HKEY_CURRENT_USER, SUBKEYNAME );
      90             : 
      91             :     if ( path == NULL )
      92             :     {
      93             :         /* read the key's default value from HKEY_LOCAL_MACHINE */
      94             :         path = getPathFromRegistryKey( HKEY_LOCAL_MACHINE, SUBKEYNAME );
      95             :     }
      96             : 
      97             :     return path;
      98             : }
      99             : 
     100             : #else
     101             : 
     102             : #include <unistd.h>
     103             : #include <limits.h>
     104             : 
     105             : /*
     106             :  * Gets the installation path from the PATH environment variable.
     107             :  *
     108             :  * <p>An installation is found, if the executable 'soffice' or a symbolic link
     109             :  * is in one of the directories listed in the PATH environment variable.</p>
     110             :  *
     111             :  * @return the installation path or NULL, if no installation was found or
     112             :  *         if an error occurred
     113             :  */
     114           0 : static char* platformSpecific()
     115             : {
     116           0 :     const int SEPARATOR = '/';
     117           0 :     const char* PATHSEPARATOR = ":";
     118           0 :     const char* PATHVARNAME = "PATH";
     119           0 :     const char* APPENDIX = "/libreoffice";
     120             : 
     121           0 :     char* path = NULL;
     122           0 :     char* env = NULL;
     123           0 :     char* str = NULL;
     124           0 :     char* dir = NULL;
     125           0 :     char* file = NULL;
     126           0 :     char* resolved = NULL;
     127           0 :     char* sep = NULL;
     128             : 
     129             :     char buffer[PATH_MAX];
     130             :     int pos;
     131             : 
     132             :     /* get the value of the PATH environment variable */
     133           0 :     env = getenv( PATHVARNAME );
     134           0 :     str = (char*) malloc( strlen( env ) + 1 );
     135           0 :     strcpy( str, env );
     136             : 
     137             :     /* get the tokens separated by ':' */
     138           0 :     dir = strtok( str, PATHSEPARATOR );
     139             : 
     140           0 :     while ( dir )
     141             :     {
     142             :         /* construct soffice file path */
     143           0 :         file = (char*) malloc( strlen( dir ) + strlen( APPENDIX ) + 1 );
     144           0 :         strcpy( file, dir );
     145           0 :         strcat( file, APPENDIX );
     146             : 
     147             :         /* check existence of soffice file */
     148           0 :         if ( !access( file, F_OK ) )
     149             :         {
     150             :             /* resolve symbolic link */
     151           0 :             resolved = realpath( file, buffer );
     152             : 
     153           0 :             if ( resolved != NULL )
     154             :             {
     155             :                 /* get path to program directory */
     156           0 :                 sep = strrchr( resolved, SEPARATOR );
     157             : 
     158           0 :                 if ( sep != NULL )
     159             :                 {
     160           0 :                     pos = sep - resolved;
     161           0 :                     path = (char*) malloc( pos + 1 );
     162           0 :                     strncpy( path, resolved, pos );
     163           0 :                     path[ pos ] = '\0';
     164           0 :                     free( file );
     165           0 :                     break;
     166             :                 }
     167             :             }
     168             :         }
     169             : 
     170           0 :         dir = strtok( NULL, PATHSEPARATOR );
     171           0 :         free( file );
     172             :     }
     173             : 
     174           0 :     free( str );
     175             : 
     176           0 :     return path;
     177             : }
     178             : 
     179             : #endif
     180             : 
     181           0 : char const* cppuhelper_detail_findSofficePath()
     182             : {
     183           0 :     const char* UNOPATHVARNAME = "UNO_PATH";
     184             : 
     185           0 :     char* path = NULL;
     186             : 
     187             :     /* get the installation path from the UNO_PATH environment variable */
     188           0 :     path = getenv( UNOPATHVARNAME );
     189             : 
     190           0 :     if (!path || !path[0])
     191           0 :         path = platformSpecific();
     192             : 
     193           0 :     return path;
     194             : }
     195             : 
     196             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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