90 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			90 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*  $Id: registry.c,v 1.1 2008-03-27 00:41:33 vsc Exp $
 | ||
|  | 
 | ||
|  |     Part of SWI-Prolog | ||
|  | 
 | ||
|  |     Author:        Jan Wielemaker | ||
|  |     E-mail:        jan@swi.psy.uva.nl | ||
|  |     WWW:           http://www.swi-prolog.org
 | ||
|  |     Copyright (C): 1985-2002, University of Amsterdam | ||
|  | 
 | ||
|  |     This library is free software; you can redistribute it and/or | ||
|  |     modify it under the terms of the GNU Lesser General Public | ||
|  |     License as published by the Free Software Foundation; either | ||
|  |     version 2.1 of the License, or (at your option) any later version. | ||
|  | 
 | ||
|  |     This library 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 for more details. | ||
|  | 
 | ||
|  |     You should have received a copy of the GNU Lesser General Public | ||
|  |     License along with this library; if not, write to the Free Software | ||
|  |     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA | ||
|  | */ | ||
|  | 
 | ||
|  | #include <windows.h>
 | ||
|  | #include "registry.h"
 | ||
|  | 
 | ||
|  | #define MAXKEYLEN	256
 | ||
|  | #define MAXKEYPATHLEN	1024
 | ||
|  | 
 | ||
|  | static TCHAR _rlc_regbase[MAXKEYPATHLEN] = TEXT("current_user/PrologConsole"); | ||
|  | 
 | ||
|  | static HKEY | ||
|  | reg_open_key(const TCHAR *path, HKEY parent, REGSAM access) | ||
|  | { TCHAR buf[MAXKEYLEN]; | ||
|  |   TCHAR *sep; | ||
|  | 
 | ||
|  |   if ( *path ) | ||
|  |     return parent; | ||
|  | 
 | ||
|  |   for(sep = path; *sep && *sep != '/' && *sep != '\\'; sep++) | ||
|  |     ; | ||
|  |   strncpy(buf, path, sep-path); | ||
|  |   if ( *sep ) | ||
|  |     sep++; | ||
|  | 
 | ||
|  |   if ( strchr(sep, '/') || strchr(sep, '\\') ) /* there is more */ | ||
|  |   { HKEY sub; | ||
|  | 
 | ||
|  |     if ( RegOpenKeyEx(parent, buf, 0L, KEY_READ, &sub) != ERROR_SUCCESS ) | ||
|  |       return NULL; | ||
|  | 
 | ||
|  |     return reg_open_key(sep, sub, access); | ||
|  |   } else | ||
|  |   { HKEY sub; | ||
|  | 
 | ||
|  |     if ( RegOpenKeyEx(parent, buf, 0L, KEY_READ, access) != ERROR_SUCCESS ) | ||
|  |       return NULL; | ||
|  | 
 | ||
|  |     return sub; | ||
|  |   } | ||
|  | } | ||
|  | 
 | ||
|  | 
 | ||
|  | HKEY | ||
|  | RegOpenKeyFromPath(const TCHAR *path, REGSAM access) | ||
|  | { TCHAR buf[MAXKEYLEN]; | ||
|  |   TCHAR *sep; | ||
|  |   HKEY root; | ||
|  | 
 | ||
|  |   for(sep = path; *sep && *sep != '/' && *sep != '\\'; sep++) | ||
|  |     ; | ||
|  |   strncpy(buf, path, sep-path); | ||
|  |   if ( streq(buf, TEXT("classes_root")) ) | ||
|  |     root = HKEY_CLASSES_ROOT; | ||
|  |   else if ( streq(buf, TEXT("current_user")) ) | ||
|  |     root = HKEY_CURRENT_USER; | ||
|  |   else if ( streq(buf, TEXT("local_machine")) ) | ||
|  |     root = HKEY_LOCAL_MACHINE; | ||
|  |   else if ( streq(buf, TEXT("users")) ) | ||
|  |     root = HKEY_USERS; | ||
|  |   else | ||
|  |     return NULL; | ||
|  | 
 | ||
|  |   if ( *sep ) | ||
|  |     sep++; | ||
|  | 
 | ||
|  |   return reg_open_key(sep, root, REGSAM); | ||
|  | } |