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 $
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Part of SWI-Prolog
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Author: Jan Wielemaker
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E-mail: jan@swi.psy.uva.nl
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WWW: http://www.swi-prolog.org
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Copyright (C): 1985-2002, University of Amsterdam
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <windows.h>
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#include "registry.h"
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#define MAXKEYLEN 256
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#define MAXKEYPATHLEN 1024
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static TCHAR _rlc_regbase[MAXKEYPATHLEN] = TEXT("current_user/PrologConsole");
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static HKEY
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reg_open_key(const TCHAR *path, HKEY parent, REGSAM access)
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{ TCHAR buf[MAXKEYLEN];
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TCHAR *sep;
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if ( *path )
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return parent;
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for(sep = path; *sep && *sep != '/' && *sep != '\\'; sep++)
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;
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strncpy(buf, path, sep-path);
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if ( *sep )
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sep++;
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if ( strchr(sep, '/') || strchr(sep, '\\') ) /* there is more */
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{ HKEY sub;
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if ( RegOpenKeyEx(parent, buf, 0L, KEY_READ, &sub) != ERROR_SUCCESS )
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return NULL;
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return reg_open_key(sep, sub, access);
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} else
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{ HKEY sub;
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if ( RegOpenKeyEx(parent, buf, 0L, KEY_READ, access) != ERROR_SUCCESS )
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return NULL;
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return sub;
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}
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}
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HKEY
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RegOpenKeyFromPath(const TCHAR *path, REGSAM access)
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{ TCHAR buf[MAXKEYLEN];
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TCHAR *sep;
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HKEY root;
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for(sep = path; *sep && *sep != '/' && *sep != '\\'; sep++)
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;
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strncpy(buf, path, sep-path);
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if ( streq(buf, TEXT("classes_root")) )
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root = HKEY_CLASSES_ROOT;
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else if ( streq(buf, TEXT("current_user")) )
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root = HKEY_CURRENT_USER;
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else if ( streq(buf, TEXT("local_machine")) )
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root = HKEY_LOCAL_MACHINE;
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else if ( streq(buf, TEXT("users")) )
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root = HKEY_USERS;
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else
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return NULL;
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if ( *sep )
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sep++;
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return reg_open_key(sep, root, REGSAM);
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}
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