2 * Directory id handling
4 * Copyright 2002 Alexandre Julliard for CodeWeavers
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
33 #include "wine/unicode.h"
34 #include "setupapi_private.h"
35 #include "wine/debug.h"
37 WINE_DEFAULT_DEBUG_CHANNEL(setupapi);
39 #define MAX_SYSTEM_DIRID DIRID_PRINTPROCESSOR
40 #define MIN_CSIDL_DIRID 0x4000
41 #define MAX_CSIDL_DIRID 0x403f
49 static int nb_user_dirids; /* number of user dirids in use */
50 static int alloc_user_dirids; /* number of allocated user dirids */
51 static struct user_dirid *user_dirids;
52 static const WCHAR *system_dirids[MAX_SYSTEM_DIRID+1];
53 static const WCHAR *csidl_dirids[MAX_CSIDL_DIRID-MIN_CSIDL_DIRID+1];
55 /* retrieve the string for unknown dirids */
56 static const WCHAR *get_unknown_dirid(void)
58 static WCHAR *unknown_dirid;
59 static const WCHAR unknown_str[] = {'\\','u','n','k','n','o','w','n',0};
63 UINT len = GetSystemDirectoryW( NULL, 0 ) + strlenW(unknown_str);
64 if (!(unknown_dirid = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return NULL;
65 GetSystemDirectoryW( unknown_dirid, len );
66 strcatW( unknown_dirid, unknown_str );
71 static const WCHAR *get_csidl_dir(DWORD csidl);
73 /* create the string for a system dirid */
74 static const WCHAR *create_system_dirid( int dirid )
76 static const WCHAR Null[] = {0};
77 static const WCHAR C_Root[] = {'C',':','\\',0};
78 static const WCHAR Drivers[] = {'\\','d','r','i','v','e','r','s',0};
79 static const WCHAR Inf[] = {'\\','i','n','f',0};
80 static const WCHAR Help[] = {'\\','h','e','l','p',0};
81 static const WCHAR Fonts[] = {'\\','f','o','n','t','s',0};
82 static const WCHAR Viewers[] = {'\\','v','i','e','w','e','r','s',0};
83 static const WCHAR System[] = {'\\','s','y','s','t','e','m',0};
84 static const WCHAR Spool[] = {'\\','s','p','o','o','l',0};
85 static const WCHAR UserProfile[] = {'U','S','E','R','P','R','O','F','I','L','E',0};
87 WCHAR buffer[MAX_PATH+32], *str;
95 GetWindowsDirectoryW( buffer, MAX_PATH );
98 GetSystemDirectoryW( buffer, MAX_PATH );
101 GetSystemDirectoryW( buffer, MAX_PATH );
102 strcatW( buffer, Drivers );
105 GetWindowsDirectoryW( buffer, MAX_PATH );
106 strcatW( buffer, Inf );
109 GetWindowsDirectoryW( buffer, MAX_PATH );
110 strcatW( buffer, Help );
113 GetWindowsDirectoryW( buffer, MAX_PATH );
114 strcatW( buffer, Fonts );
117 GetSystemDirectoryW( buffer, MAX_PATH );
118 strcatW( buffer, Viewers );
121 return C_Root; /* FIXME */
123 GetWindowsDirectoryW( buffer, MAX_PATH );
126 return C_Root; /* FIXME */
128 GetWindowsDirectoryW( buffer, MAX_PATH );
129 strcatW( buffer, System );
132 case DIRID_SPOOLDRIVERS: /* FIXME */
133 GetWindowsDirectoryW( buffer, MAX_PATH );
134 strcatW( buffer, Spool );
136 case DIRID_USERPROFILE:
137 if (GetEnvironmentVariableW( UserProfile, buffer, MAX_PATH )) break;
138 return get_csidl_dir(CSIDL_PROFILE);
140 return C_Root; /* FIXME */
141 case DIRID_COLOR: /* FIXME */
142 case DIRID_PRINTPROCESSOR: /* FIXME */
144 FIXME( "unknown dirid %d\n", dirid );
145 return get_unknown_dirid();
147 len = (strlenW(buffer) + 1) * sizeof(WCHAR);
148 if ((str = HeapAlloc( GetProcessHeap(), 0, len ))) memcpy( str, buffer, len );
152 static const WCHAR *get_csidl_dir( DWORD csidl )
154 WCHAR buffer[MAX_PATH], *str;
157 if (!SHGetSpecialFolderPathW( NULL, buffer, csidl, TRUE ))
159 FIXME( "CSIDL %lx not found\n", csidl );
160 return get_unknown_dirid();
162 len = (strlenW(buffer) + 1) * sizeof(WCHAR);
163 if ((str = HeapAlloc( GetProcessHeap(), 0, len ))) memcpy( str, buffer, len );
167 /* retrieve the string corresponding to a dirid, or NULL if none */
168 const WCHAR *DIRID_get_string( int dirid )
172 if (dirid == DIRID_ABSOLUTE || dirid == DIRID_ABSOLUTE_16BIT) dirid = DIRID_NULL;
174 if (dirid >= DIRID_USER)
176 for (i = 0; i < nb_user_dirids; i++)
177 if (user_dirids[i].id == dirid) return user_dirids[i].str;
178 WARN("user id %d not found\n", dirid );
181 else if (dirid >= MIN_CSIDL_DIRID)
183 if (dirid > MAX_CSIDL_DIRID) return get_unknown_dirid();
184 dirid -= MIN_CSIDL_DIRID;
185 if (!csidl_dirids[dirid]) csidl_dirids[dirid] = get_csidl_dir( dirid );
186 return csidl_dirids[dirid];
190 if (dirid > MAX_SYSTEM_DIRID) return get_unknown_dirid();
191 if (!system_dirids[dirid]) system_dirids[dirid] = create_system_dirid( dirid );
192 return system_dirids[dirid];
196 /* store a user dirid string */
197 static BOOL store_user_dirid( HINF hinf, int id, WCHAR *str )
201 for (i = 0; i < nb_user_dirids; i++) if (user_dirids[i].id == id) break;
203 if (i < nb_user_dirids) HeapFree( GetProcessHeap(), 0, user_dirids[i].str );
206 if (nb_user_dirids >= alloc_user_dirids)
208 int new_size = max( 32, alloc_user_dirids * 2 );
210 struct user_dirid *new;
213 new = HeapReAlloc( GetProcessHeap(), 0, user_dirids,
214 new_size * sizeof(*new) );
216 new = HeapAlloc( GetProcessHeap(), 0,
217 new_size * sizeof(*new) );
219 if (!new) return FALSE;
221 alloc_user_dirids = new_size;
225 user_dirids[i].id = id;
226 user_dirids[i].str = str;
227 TRACE("id %d -> %s\n", id, debugstr_w(str) );
232 /***********************************************************************
233 * SetupSetDirectoryIdA (SETUPAPI.@)
235 BOOL WINAPI SetupSetDirectoryIdA( HINF hinf, DWORD id, PCSTR dir )
240 if (!id) /* clear everything */
242 for (i = 0; i < nb_user_dirids; i++) HeapFree( GetProcessHeap(), 0, user_dirids[i].str );
248 SetLastError( ERROR_INVALID_PARAMETER );
252 /* duplicate the string */
253 if (!RtlCreateUnicodeStringFromAsciiz( &dirW, dir ))
255 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
258 return store_user_dirid( hinf, id, dirW.Buffer );
262 /***********************************************************************
263 * SetupSetDirectoryIdW (SETUPAPI.@)
265 BOOL WINAPI SetupSetDirectoryIdW( HINF hinf, DWORD id, PCWSTR dir )
270 if (!id) /* clear everything */
272 for (i = 0; i < nb_user_dirids; i++) HeapFree( GetProcessHeap(), 0, user_dirids[i].str );
278 SetLastError( ERROR_INVALID_PARAMETER );
282 /* duplicate the string */
283 len = (strlenW(dir)+1) * sizeof(WCHAR);
284 if (!(str = HeapAlloc( GetProcessHeap(), 0, len ))) return FALSE;
285 memcpy( str, dir, len );
286 return store_user_dirid( hinf, id, str );