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
21 #include "setupapi_private.h"
23 #define MAX_SYSTEM_DIRID DIRID_PRINTPROCESSOR
24 #define MIN_CSIDL_DIRID 0x4000
25 #define MAX_CSIDL_DIRID 0x403f
33 static int nb_user_dirids
; /* number of user dirids in use */
34 static int alloc_user_dirids
; /* number of allocated user dirids */
35 static struct user_dirid
*user_dirids
;
36 static const WCHAR
*system_dirids
[MAX_SYSTEM_DIRID
+1];
37 static const WCHAR
*csidl_dirids
[MAX_CSIDL_DIRID
-MIN_CSIDL_DIRID
+1];
39 /* retrieve the string for unknown dirids */
40 static const WCHAR
*get_unknown_dirid(void)
42 static WCHAR
*unknown_dirid
;
43 static const WCHAR unknown_str
[] = {'\\','u','n','k','n','o','w','n',0};
47 UINT len
= GetSystemDirectoryW( NULL
, 0 ) + strlenW(unknown_str
);
48 if (!(unknown_dirid
= HeapAlloc( GetProcessHeap(), 0, len
* sizeof(WCHAR
) ))) return NULL
;
49 GetSystemDirectoryW( unknown_dirid
, len
);
50 strcatW( unknown_dirid
, unknown_str
);
55 static const WCHAR
*get_csidl_dir(DWORD csidl
);
57 /* create the string for a system dirid */
58 static const WCHAR
*create_system_dirid( int dirid
)
60 static const WCHAR Null
[] = {0};
61 static const WCHAR C_Root
[] = {'C',':','\\',0};
62 static const WCHAR Drivers
[] = {'\\','d','r','i','v','e','r','s',0};
63 static const WCHAR Inf
[] = {'\\','i','n','f',0};
64 static const WCHAR Help
[] = {'\\','h','e','l','p',0};
65 static const WCHAR Fonts
[] = {'\\','f','o','n','t','s',0};
66 static const WCHAR Viewers
[] = {'\\','v','i','e','w','e','r','s',0};
67 static const WCHAR System
[] = {'\\','s','y','s','t','e','m',0};
68 static const WCHAR Spool
[] = {'\\','s','p','o','o','l',0};
69 static const WCHAR UserProfile
[] = {'U','S','E','R','P','R','O','F','I','L','E',0};
71 WCHAR buffer
[MAX_PATH
+32], *str
;
79 GetWindowsDirectoryW( buffer
, MAX_PATH
);
82 GetSystemDirectoryW( buffer
, MAX_PATH
);
85 GetSystemDirectoryW( buffer
, MAX_PATH
);
86 strcatW( buffer
, Drivers
);
89 GetWindowsDirectoryW( buffer
, MAX_PATH
);
90 strcatW( buffer
, Inf
);
93 GetWindowsDirectoryW( buffer
, MAX_PATH
);
94 strcatW( buffer
, Help
);
97 GetWindowsDirectoryW( buffer
, MAX_PATH
);
98 strcatW( buffer
, Fonts
);
101 GetSystemDirectoryW( buffer
, MAX_PATH
);
102 strcatW( buffer
, Viewers
);
105 return C_Root
; /* FIXME */
107 GetWindowsDirectoryW( buffer
, MAX_PATH
);
110 return C_Root
; /* FIXME */
112 GetWindowsDirectoryW( buffer
, MAX_PATH
);
113 strcatW( buffer
, System
);
116 case DIRID_SPOOLDRIVERS
: /* FIXME */
117 GetWindowsDirectoryW( buffer
, MAX_PATH
);
118 strcatW( buffer
, Spool
);
120 case DIRID_USERPROFILE
:
121 if (GetEnvironmentVariableW( UserProfile
, buffer
, MAX_PATH
)) break;
122 return get_csidl_dir(CSIDL_PROFILE
);
124 return C_Root
; /* FIXME */
125 case DIRID_COLOR
: /* FIXME */
126 case DIRID_PRINTPROCESSOR
: /* FIXME */
128 FIXME( "unknown dirid %d\n", dirid
);
129 return get_unknown_dirid();
131 len
= (strlenW(buffer
) + 1) * sizeof(WCHAR
);
132 if ((str
= HeapAlloc( GetProcessHeap(), 0, len
))) memcpy( str
, buffer
, len
);
136 static const WCHAR
*get_csidl_dir( DWORD csidl
)
138 WCHAR buffer
[MAX_PATH
], *str
;
141 if (!SHGetSpecialFolderPathW( NULL
, buffer
, csidl
, TRUE
))
143 FIXME( "CSIDL %x not found\n", csidl
);
144 return get_unknown_dirid();
146 len
= (strlenW(buffer
) + 1) * sizeof(WCHAR
);
147 if ((str
= HeapAlloc( GetProcessHeap(), 0, len
))) memcpy( str
, buffer
, len
);
151 /* retrieve the string corresponding to a dirid, or NULL if none */
152 const WCHAR
*DIRID_get_string( int dirid
)
156 if (dirid
== DIRID_ABSOLUTE
|| dirid
== DIRID_ABSOLUTE_16BIT
) dirid
= DIRID_NULL
;
158 if (dirid
>= DIRID_USER
)
160 for (i
= 0; i
< nb_user_dirids
; i
++)
161 if (user_dirids
[i
].id
== dirid
) return user_dirids
[i
].str
;
162 WARN("user id %d not found\n", dirid
);
165 else if (dirid
>= MIN_CSIDL_DIRID
)
167 if (dirid
> MAX_CSIDL_DIRID
) return get_unknown_dirid();
168 dirid
-= MIN_CSIDL_DIRID
;
169 if (!csidl_dirids
[dirid
]) csidl_dirids
[dirid
] = get_csidl_dir( dirid
);
170 return csidl_dirids
[dirid
];
174 if (dirid
> MAX_SYSTEM_DIRID
) return get_unknown_dirid();
175 if (!system_dirids
[dirid
]) system_dirids
[dirid
] = create_system_dirid( dirid
);
176 return system_dirids
[dirid
];
180 /* store a user dirid string */
181 static BOOL
store_user_dirid( HINF hinf
, int id
, WCHAR
*str
)
185 for (i
= 0; i
< nb_user_dirids
; i
++) if (user_dirids
[i
].id
== id
) break;
187 if (i
< nb_user_dirids
) HeapFree( GetProcessHeap(), 0, user_dirids
[i
].str
);
190 if (nb_user_dirids
>= alloc_user_dirids
)
192 int new_size
= max( 32, alloc_user_dirids
* 2 );
194 struct user_dirid
*new;
197 new = HeapReAlloc( GetProcessHeap(), 0, user_dirids
,
198 new_size
* sizeof(*new) );
200 new = HeapAlloc( GetProcessHeap(), 0,
201 new_size
* sizeof(*new) );
203 if (!new) return FALSE
;
205 alloc_user_dirids
= new_size
;
209 user_dirids
[i
].id
= id
;
210 user_dirids
[i
].str
= str
;
211 TRACE("id %d -> %s\n", id
, debugstr_w(str
) );
216 /***********************************************************************
217 * SetupSetDirectoryIdA (SETUPAPI.@)
219 BOOL WINAPI
SetupSetDirectoryIdA( HINF hinf
, DWORD id
, PCSTR dir
)
224 if (!id
) /* clear everything */
226 for (i
= 0; i
< nb_user_dirids
; i
++) HeapFree( GetProcessHeap(), 0, user_dirids
[i
].str
);
232 SetLastError( ERROR_INVALID_PARAMETER
);
236 /* duplicate the string */
237 if (!RtlCreateUnicodeStringFromAsciiz( &dirW
, dir
))
239 SetLastError( ERROR_NOT_ENOUGH_MEMORY
);
242 return store_user_dirid( hinf
, id
, dirW
.Buffer
);
246 /***********************************************************************
247 * SetupSetDirectoryIdW (SETUPAPI.@)
249 BOOL WINAPI
SetupSetDirectoryIdW( HINF hinf
, DWORD id
, PCWSTR dir
)
254 if (!id
) /* clear everything */
256 for (i
= 0; i
< nb_user_dirids
; i
++) HeapFree( GetProcessHeap(), 0, user_dirids
[i
].str
);
262 SetLastError( ERROR_INVALID_PARAMETER
);
266 /* duplicate the string */
267 len
= (strlenW(dir
)+1) * sizeof(WCHAR
);
268 if (!(str
= HeapAlloc( GetProcessHeap(), 0, len
))) return FALSE
;
269 memcpy( str
, dir
, len
);
270 return store_user_dirid( hinf
, id
, str
);