4 * Copyright 1995 Thomas Sandford
5 * Copyright 1996 Martin von Loewis
6 * Copyright 2003 Alexandre Julliard
8 * Based on the Win16 resource handling code in loader/resource.c
9 * Copyright 1993 Robert J. Amstadt
10 * Copyright 1995 Alexandre Julliard
11 * Copyright 1997 Marcus Meissner
13 * This library is free software; you can redistribute it and/or
14 * modify it under the terms of the GNU Lesser General Public
15 * License as published by the Free Software Foundation; either
16 * version 2.1 of the License, or (at your option) any later version.
18 * This library is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 * Lesser General Public License for more details.
23 * You should have received a copy of the GNU Lesser General Public
24 * License along with this library; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 #include "wine/port.h"
33 #include <sys/types.h>
35 #define NONAMELESSUNION
36 #define NONAMELESSSTRUCT
38 #define WIN32_NO_STATUS
45 #include "wine/exception.h"
46 #include "wine/unicode.h"
47 #include "wine/debug.h"
49 WINE_DEFAULT_DEBUG_CHANNEL(resource);
51 static LCID user_lcid, system_lcid;
52 static LANGID user_ui_language, system_ui_language;
54 /**********************************************************************
57 * Check if a module handle is for a LOAD_LIBRARY_AS_DATAFILE module.
59 inline static int is_data_file_module( HMODULE hmod )
61 return (ULONG_PTR)hmod & 1;
65 /**********************************************************************
68 * push a language in the list of languages to try
70 static inline int push_language( WORD *list, int pos, WORD lang )
73 for (i = 0; i < pos; i++) if (list[i] == lang) return pos;
79 /**********************************************************************
82 * Find the first suitable entry in a resource directory
84 static const IMAGE_RESOURCE_DIRECTORY *find_first_entry( const IMAGE_RESOURCE_DIRECTORY *dir,
85 const void *root, int want_dir )
87 const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
90 for (pos = 0; pos < dir->NumberOfNamedEntries + dir->NumberOfIdEntries; pos++)
92 if (!entry[pos].u2.s3.DataIsDirectory == !want_dir)
93 return (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + entry[pos].u2.s3.OffsetToDirectory);
99 /**********************************************************************
102 * Find an entry by id in a resource directory
104 static const IMAGE_RESOURCE_DIRECTORY *find_entry_by_id( const IMAGE_RESOURCE_DIRECTORY *dir,
105 WORD id, const void *root, int want_dir )
107 const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;
110 entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
111 min = dir->NumberOfNamedEntries;
112 max = min + dir->NumberOfIdEntries - 1;
115 pos = (min + max) / 2;
116 if (entry[pos].u1.s2.Id == id)
118 if (!entry[pos].u2.s3.DataIsDirectory == !want_dir)
120 TRACE("root %p dir %p id %04x ret %p\n",
121 root, dir, id, (const char*)root + entry[pos].u2.s3.OffsetToDirectory);
122 return (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + entry[pos].u2.s3.OffsetToDirectory);
126 if (entry[pos].u1.s2.Id > id) max = pos - 1;
129 TRACE("root %p dir %p id %04x not found\n", root, dir, id );
134 /**********************************************************************
137 * Find an entry by name in a resource directory
139 static const IMAGE_RESOURCE_DIRECTORY *find_entry_by_name( const IMAGE_RESOURCE_DIRECTORY *dir,
140 LPCWSTR name, const void *root,
143 const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;
144 const IMAGE_RESOURCE_DIR_STRING_U *str;
145 int min, max, res, pos, namelen;
147 if (!HIWORD(name)) return find_entry_by_id( dir, LOWORD(name), root, want_dir );
148 entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
149 namelen = strlenW(name);
151 max = dir->NumberOfNamedEntries - 1;
154 pos = (min + max) / 2;
155 str = (const IMAGE_RESOURCE_DIR_STRING_U *)((const char *)root + entry[pos].u1.s1.NameOffset);
156 res = strncmpW( name, str->NameString, str->Length );
157 if (!res && namelen == str->Length)
159 if (!entry[pos].u2.s3.DataIsDirectory == !want_dir)
161 TRACE("root %p dir %p name %s ret %p\n",
162 root, dir, debugstr_w(name), (const char*)root + entry[pos].u2.s3.OffsetToDirectory);
163 return (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + entry[pos].u2.s3.OffsetToDirectory);
167 if (res < 0) max = pos - 1;
170 TRACE("root %p dir %p name %s not found\n", root, dir, debugstr_w(name) );
175 /**********************************************************************
178 * Find a resource entry
180 static NTSTATUS find_entry( HMODULE hmod, const LDR_RESOURCE_INFO *info,
181 ULONG level, const void **ret, int want_dir )
185 const IMAGE_RESOURCE_DIRECTORY *resdirptr;
186 WORD list[9]; /* list of languages to try */
189 root = RtlImageDirectoryEntryToData( hmod, TRUE, IMAGE_DIRECTORY_ENTRY_RESOURCE, &size );
190 if (!root) return STATUS_RESOURCE_DATA_NOT_FOUND;
193 if (!level--) goto done;
194 if (!(*ret = find_entry_by_name( resdirptr, (LPCWSTR)info->Type, root, want_dir || level )))
195 return STATUS_RESOURCE_TYPE_NOT_FOUND;
196 if (!level--) return STATUS_SUCCESS;
199 if (!(*ret = find_entry_by_name( resdirptr, (LPCWSTR)info->Name, root, want_dir || level )))
200 return STATUS_RESOURCE_NAME_NOT_FOUND;
201 if (!level--) return STATUS_SUCCESS;
202 if (level) return STATUS_INVALID_PARAMETER; /* level > 3 */
204 /* 1. specified language */
205 pos = push_language( list, pos, info->Language );
207 /* 2. specified language with neutral sublanguage */
208 pos = push_language( list, pos, MAKELANGID( PRIMARYLANGID(info->Language), SUBLANG_NEUTRAL ) );
210 /* 3. neutral language with neutral sublanguage */
211 pos = push_language( list, pos, MAKELANGID( LANG_NEUTRAL, SUBLANG_NEUTRAL ) );
213 /* if no explicitly specified language, try some defaults */
214 if (PRIMARYLANGID(info->Language) == LANG_NEUTRAL)
216 /* user defaults, unless SYS_DEFAULT sublanguage specified */
217 if (SUBLANGID(info->Language) != SUBLANG_SYS_DEFAULT)
219 /* 4. current thread locale language */
220 pos = push_language( list, pos, LANGIDFROMLCID(NtCurrentTeb()->CurrentLocale) );
222 /* 5. user locale language */
223 pos = push_language( list, pos, LANGIDFROMLCID(user_lcid) );
225 /* 6. user locale language with neutral sublanguage */
226 pos = push_language( list, pos, MAKELANGID( PRIMARYLANGID(user_lcid), SUBLANG_NEUTRAL ) );
229 /* now system defaults */
231 /* 7. system locale language */
232 pos = push_language( list, pos, LANGIDFROMLCID( system_lcid ) );
234 /* 8. system locale language with neutral sublanguage */
235 pos = push_language( list, pos, MAKELANGID( PRIMARYLANGID(system_lcid), SUBLANG_NEUTRAL ) );
238 pos = push_language( list, pos, MAKELANGID( LANG_ENGLISH, SUBLANG_DEFAULT ) );
242 for (i = 0; i < pos; i++)
243 if ((*ret = find_entry_by_id( resdirptr, list[i], root, want_dir ))) return STATUS_SUCCESS;
245 /* if no explicitly specified language, return the first entry */
246 if (PRIMARYLANGID(info->Language) == LANG_NEUTRAL)
248 if ((*ret = find_first_entry( resdirptr, root, want_dir ))) return STATUS_SUCCESS;
250 return STATUS_RESOURCE_LANG_NOT_FOUND;
254 return STATUS_SUCCESS;
258 /**********************************************************************
259 * LdrFindResourceDirectory_U (NTDLL.@)
261 NTSTATUS WINAPI LdrFindResourceDirectory_U( HMODULE hmod, const LDR_RESOURCE_INFO *info,
262 ULONG level, const IMAGE_RESOURCE_DIRECTORY **dir )
269 if (info) TRACE( "module %p type %s name %s lang %04lx level %ld\n",
270 hmod, debugstr_w((LPCWSTR)info->Type),
271 level > 1 ? debugstr_w((LPCWSTR)info->Name) : "",
272 level > 2 ? info->Language : 0, level );
274 status = find_entry( hmod, info, level, &res, TRUE );
275 if (status == STATUS_SUCCESS) *dir = res;
279 return GetExceptionCode();
286 /**********************************************************************
287 * LdrFindResource_U (NTDLL.@)
289 NTSTATUS WINAPI LdrFindResource_U( HMODULE hmod, const LDR_RESOURCE_INFO *info,
290 ULONG level, const IMAGE_RESOURCE_DATA_ENTRY **entry )
297 if (info) TRACE( "module %p type %s name %s lang %04lx level %ld\n",
298 hmod, debugstr_w((LPCWSTR)info->Type),
299 level > 1 ? debugstr_w((LPCWSTR)info->Name) : "",
300 level > 2 ? info->Language : 0, level );
302 status = find_entry( hmod, info, level, &res, FALSE );
303 if (status == STATUS_SUCCESS) *entry = res;
307 return GetExceptionCode();
314 /* don't penalize other platforms stuff needed on i386 for compatibility */
316 NTSTATUS WINAPI access_resource( HMODULE hmod, const IMAGE_RESOURCE_DATA_ENTRY *entry,
317 void **ptr, ULONG *size )
319 static inline NTSTATUS access_resource( HMODULE hmod, const IMAGE_RESOURCE_DATA_ENTRY *entry,
320 void **ptr, ULONG *size )
329 if (!RtlImageDirectoryEntryToData( hmod, TRUE, IMAGE_DIRECTORY_ENTRY_RESOURCE, &dirsize ))
330 status = STATUS_RESOURCE_DATA_NOT_FOUND;
335 if (is_data_file_module(hmod))
337 HMODULE mod = (HMODULE)((ULONG_PTR)hmod & ~1);
338 *ptr = RtlImageRvaToVa( RtlImageNtHeader(mod), mod, entry->OffsetToData, NULL );
340 else *ptr = (char *)hmod + entry->OffsetToData;
342 if (size) *size = entry->Size;
343 status = STATUS_SUCCESS;
348 return GetExceptionCode();
354 /**********************************************************************
355 * LdrAccessResource (NTDLL.@)
358 * On x86, Shrinker, an executable compressor, depends on the
359 * "call access_resource" instruction being there.
362 __ASM_GLOBAL_FUNC( LdrAccessResource,
364 "movl %esp, %ebp\n\t"
371 "call " __ASM_NAME("access_resource") "\n\t"
376 NTSTATUS WINAPI LdrAccessResource( HMODULE hmod, const IMAGE_RESOURCE_DATA_ENTRY *entry,
377 void **ptr, ULONG *size )
379 return access_resource( hmod, entry, ptr, size );
383 /**********************************************************************
384 * RtlFindMessage (NTDLL.@)
386 NTSTATUS WINAPI RtlFindMessage( HMODULE hmod, ULONG type, ULONG lang,
387 ULONG msg_id, const MESSAGE_RESOURCE_ENTRY **ret )
389 const MESSAGE_RESOURCE_DATA *data;
390 const MESSAGE_RESOURCE_BLOCK *block;
391 const IMAGE_RESOURCE_DATA_ENTRY *rsrc;
392 LDR_RESOURCE_INFO info;
399 info.Language = lang;
401 if ((status = LdrFindResource_U( hmod, &info, 3, &rsrc )) != STATUS_SUCCESS)
403 if ((status = LdrAccessResource( hmod, rsrc, &ptr, NULL )) != STATUS_SUCCESS)
407 block = data->Blocks;
408 for (i = 0; i < data->NumberOfBlocks; i++, block++)
410 if (msg_id >= block->LowId && msg_id <= block->HighId)
412 const MESSAGE_RESOURCE_ENTRY *entry;
414 entry = (const MESSAGE_RESOURCE_ENTRY *)((const char *)data + block->OffsetToEntries);
415 for (i = msg_id - block->LowId; i > 0; i--)
416 entry = (const MESSAGE_RESOURCE_ENTRY *)((const char *)entry + entry->Length);
418 return STATUS_SUCCESS;
421 return STATUS_MESSAGE_NOT_FOUND;
424 /**********************************************************************
425 * RtlFormatMessage (NTDLL.@)
427 * Formats a message (similar to sprintf).
430 * Message [I] Message to format.
431 * MaxWidth [I] Maximum width in characters of each output line.
432 * IgnoreInserts [I] Whether to copy the message without processing inserts.
433 * Ansi [I] Whether Arguments may have ANSI strings.
434 * ArgumentsIsArray [I] Whether Arguments is actually an array rather than a va_list *.
435 * Buffer [O] Buffer to store processed message in.
436 * BufferSize [I] Size of Buffer (in bytes?).
441 NTSTATUS WINAPI RtlFormatMessage( LPWSTR Message, UCHAR MaxWidth,
442 BOOLEAN IgnoreInserts, BOOLEAN Ansi,
443 BOOLEAN ArgumentIsArray, va_list * Arguments,
444 LPWSTR Buffer, ULONG BufferSize )
446 FIXME("(%s, %u, %s, %s, %s, %p, %p, %ld)\n", debugstr_w(Message),
447 MaxWidth, IgnoreInserts ? "TRUE" : "FALSE", Ansi ? "TRUE" : "FALSE",
448 ArgumentIsArray ? "TRUE" : "FALSE", Arguments, Buffer, BufferSize);
449 return STATUS_SUCCESS;
453 /**********************************************************************
454 * NtQueryDefaultLocale (NTDLL.@)
456 NTSTATUS WINAPI NtQueryDefaultLocale( BOOLEAN user, LCID *lcid )
458 *lcid = user ? user_lcid : system_lcid;
459 return STATUS_SUCCESS;
463 /**********************************************************************
464 * NtSetDefaultLocale (NTDLL.@)
466 NTSTATUS WINAPI NtSetDefaultLocale( BOOLEAN user, LCID lcid )
468 if (user) user_lcid = lcid;
472 system_ui_language = LANGIDFROMLCID(lcid); /* there is no separate call to set it */
474 return STATUS_SUCCESS;
478 /**********************************************************************
479 * NtQueryDefaultUILanguage (NTDLL.@)
481 NTSTATUS WINAPI NtQueryDefaultUILanguage( LANGID *lang )
483 *lang = user_ui_language;
484 return STATUS_SUCCESS;
488 /**********************************************************************
489 * NtSetDefaultUILanguage (NTDLL.@)
491 NTSTATUS WINAPI NtSetDefaultUILanguage( LANGID lang )
493 user_ui_language = lang;
494 return STATUS_SUCCESS;
498 /**********************************************************************
499 * NtQueryInstallUILanguage (NTDLL.@)
501 NTSTATUS WINAPI NtQueryInstallUILanguage( LANGID *lang )
503 *lang = system_ui_language;
504 return STATUS_SUCCESS;