mirror of
https://github.com/FirebirdSQL/firebird.git
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102 lines
2.5 KiB
C++
102 lines
2.5 KiB
C++
/*
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* PROGRAM: Client/Server Common Code
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* MODULE: config_root.cpp
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* DESCRIPTION: Configuration manager (platform specific - Win32)
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*
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* The contents of this file are subject to the Interbase Public
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* License Version 1.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy
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* of the License at http://www.Inprise.com/IPL.html
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*
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* Software distributed under the License is distributed on an
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* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
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* or implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code was created by Inprise Corporation
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* and its predecessors. Portions created by Inprise Corporation are
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* Copyright (C) Inprise Corporation.
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*
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* Created by: Dmitry Yemanov <yemanov@yandex.ru>
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*
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* All Rights Reserved.
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* Contributor(s): ______________________________________.
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*/
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#include "firebird.h"
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#include <windows.h>
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#include "fb_types.h"
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#include "fb_string.h"
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#include "../jrd/os/config_root.h"
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#include "../jrd/os/path_utils.h"
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#include "../utilities/registry.h"
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typedef Firebird::string string;
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const string CONFIG_FILE = "firebird.conf";
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/******************************************************************************
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*
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* Platform-specific root locator
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*/
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void getRootFromRegistry(TEXT *buffer, DWORD buffer_length)
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{
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HKEY hkey;
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DWORD type;
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if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, REG_KEY_ROOT_CUR_VER,
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0, KEY_QUERY_VALUE, &hkey) != ERROR_SUCCESS)
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{
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return;
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}
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RegQueryValueEx(hkey, "RootDirectory", NULL, &type,
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reinterpret_cast<UCHAR*>(buffer), &buffer_length);
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RegCloseKey(hkey);
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}
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ConfigRoot::ConfigRoot()
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{
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TEXT buffer[MAXPATHLEN];
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buffer[0] = 0;
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// check the registry first
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getRootFromRegistry(buffer, sizeof(buffer));
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if (buffer[0])
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{
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root_dir = buffer;
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return;
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}
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// get the pathname of the running executable
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GetModuleFileName(NULL, buffer, sizeof(buffer));
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string bin_dir = buffer;
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// get rid of the filename
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int index = bin_dir.rfind(PathUtils::dir_sep);
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bin_dir = bin_dir.substr(0, index);
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// how should we decide to use bin_dir instead of root_dir? any ideas?
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// ???
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// go to the parent directory
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index = bin_dir.rfind(PathUtils::dir_sep, bin_dir.length());
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root_dir = (index ? bin_dir.substr(0, index) : bin_dir) + PathUtils::dir_sep;
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}
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string ConfigRoot::getRootDirectory() const
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{
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return root_dir;
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}
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string ConfigRoot::getConfigFile() const
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{
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return root_dir + CONFIG_FILE;
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}
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