2 * Builtin dlls resource support
4 * Copyright 2000 Alexandre Julliard
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #include "wine/port.h"
29 #ifdef HAVE_SYS_TYPES_H
30 # include <sys/types.h>
33 #ifdef HAVE_SYS_STAT_H
34 # include <sys/stat.h>
36 #ifdef HAVE_SYS_MMAN_H
44 /* Unicode string or integer id */
47 WCHAR
*str
; /* ptr to Unicode string */
48 WORD id
; /* integer id if str is NULL */
51 /* descriptor for a resource */
54 struct string_id type
;
55 struct string_id name
;
57 unsigned int data_size
;
61 /* name level of the resource tree */
64 const struct string_id
*name
; /* name */
65 const struct resource
*res
; /* resource */
66 int nb_languages
; /* number of languages */
67 unsigned int name_offset
; /* offset of name in resource dir */
70 /* type level of the resource tree */
73 const struct string_id
*type
; /* type name */
74 struct res_name
*names
; /* names array */
75 unsigned int nb_names
; /* total number of names */
76 unsigned int nb_id_names
; /* number of names that have a numeric id */
77 unsigned int name_offset
; /* offset of type name in resource dir */
80 /* top level of the resource tree */
83 struct res_type
*types
; /* types array */
84 unsigned int nb_types
; /* total number of types */
87 static int byte_swapped
; /* whether the current resource file is byte-swapped */
88 static const unsigned char *file_pos
; /* current position in resource file */
89 static const unsigned char *file_end
; /* end of resource file */
90 static const char *file_name
; /* current resource file name */
92 /* size of a resource directory with n entries */
93 #define RESDIR_SIZE(n) ((4 + 2 * (n)) * sizeof(int))
96 inline static struct resource
*add_resource( DLLSPEC
*spec
)
98 spec
->resources
= xrealloc( spec
->resources
, (spec
->nb_resources
+ 1) * sizeof(spec
->resources
[0]) );
99 return &spec
->resources
[spec
->nb_resources
++];
102 static inline unsigned int strlenW( const WCHAR
*str
)
104 const WCHAR
*s
= str
;
109 static inline int strcmpW( const WCHAR
*str1
, const WCHAR
*str2
)
111 while (*str1
&& (*str1
== *str2
)) { str1
++; str2
++; }
112 return *str1
- *str2
;
115 static struct res_name
*add_name( struct res_type
*type
, const struct resource
*res
)
117 struct res_name
*name
;
118 type
->names
= xrealloc( type
->names
, (type
->nb_names
+ 1) * sizeof(*type
->names
) );
119 name
= &type
->names
[type
->nb_names
++];
120 name
->name
= &res
->name
;
122 name
->nb_languages
= 1;
123 if (!name
->name
->str
) type
->nb_id_names
++;
127 static struct res_type
*add_type( struct res_tree
*tree
, const struct resource
*res
)
129 struct res_type
*type
;
130 tree
->types
= xrealloc( tree
->types
, (tree
->nb_types
+ 1) * sizeof(*tree
->types
) );
131 type
= &tree
->types
[tree
->nb_types
++];
132 type
->type
= &res
->type
;
135 type
->nb_id_names
= 0;
139 /* get the next word from the current resource file */
140 static WORD
get_word(void)
142 WORD ret
= *(const WORD
*)file_pos
;
143 if (byte_swapped
) ret
= (ret
<< 8) | (ret
>> 8);
144 file_pos
+= sizeof(WORD
);
145 if (file_pos
> file_end
) fatal_error( "%s is a truncated file\n", file_name
);
149 /* get the next dword from the current resource file */
150 static DWORD
get_dword(void)
152 DWORD ret
= *(const DWORD
*)file_pos
;
154 ret
= ((ret
<< 24) | ((ret
<< 8) & 0x00ff0000) | ((ret
>> 8) & 0x0000ff00) | (ret
>> 24));
155 file_pos
+= sizeof(DWORD
);
156 if (file_pos
> file_end
) fatal_error( "%s is a truncated file\n", file_name
);
160 /* get a string from the current resource file */
161 static void get_string( struct string_id
*str
)
163 if (*(const WCHAR
*)file_pos
== 0xffff)
165 get_word(); /* skip the 0xffff */
167 str
->id
= get_word();
171 WCHAR
*p
= xmalloc( (strlenW((const WCHAR
*)file_pos
) + 1) * sizeof(WCHAR
) );
174 while ((*p
++ = get_word()));
178 /* check the file header */
179 /* all values must be zero except header size */
180 static int check_header(void)
184 if (get_dword()) return 0; /* data size */
185 size
= get_dword(); /* header size */
186 if (size
== 0x20000000) byte_swapped
= 1;
187 else if (size
!= 0x20) return 0;
188 if (get_word() != 0xffff || get_word()) return 0; /* type, must be id 0 */
189 if (get_word() != 0xffff || get_word()) return 0; /* name, must be id 0 */
190 if (get_dword()) return 0; /* data version */
191 if (get_word()) return 0; /* mem options */
192 if (get_word()) return 0; /* language */
193 if (get_dword()) return 0; /* version */
194 if (get_dword()) return 0; /* characteristics */
198 /* load the next resource from the current file */
199 static void load_next_resource( DLLSPEC
*spec
)
202 struct resource
*res
= add_resource( spec
);
204 res
->data_size
= (get_dword() + 3) & ~3;
205 hdr_size
= get_dword();
206 if (hdr_size
& 3) fatal_error( "%s header size not aligned\n", file_name
);
208 res
->data
= file_pos
- 2*sizeof(DWORD
) + hdr_size
;
209 get_string( &res
->type
);
210 get_string( &res
->name
);
211 if ((int)file_pos
& 2) get_word(); /* align to dword boundary */
212 get_dword(); /* skip data version */
213 get_word(); /* skip mem options */
214 res
->lang
= get_word();
215 get_dword(); /* skip version */
216 get_dword(); /* skip characteristics */
218 file_pos
= (const unsigned char *)res
->data
+ res
->data_size
;
219 if (file_pos
> file_end
) fatal_error( "%s is a truncated file\n", file_name
);
222 /* load a Win32 .res file */
223 int load_res32_file( const char *name
, DLLSPEC
*spec
)
229 if ((fd
= open( name
, O_RDONLY
)) == -1) fatal_perror( "Cannot open %s", name
);
230 if ((fstat( fd
, &st
) == -1)) fatal_perror( "Cannot stat %s", name
);
231 if (!st
.st_size
) fatal_error( "%s is an empty file\n", name
);
233 if ((base
= mmap( NULL
, st
.st_size
, PROT_READ
, MAP_PRIVATE
, fd
, 0 )) == (void*)-1)
234 #endif /* HAVE_MMAP */
236 base
= xmalloc( st
.st_size
);
237 if (read( fd
, base
, st
.st_size
) != st
.st_size
)
238 fatal_error( "Cannot read %s\n", name
);
244 file_end
= file_pos
+ st
.st_size
;
245 if ((ret
= check_header()))
247 while (file_pos
< file_end
) load_next_resource( spec
);
253 /* compare two unicode strings/ids */
254 static int cmp_string( const struct string_id
*str1
, const struct string_id
*str2
)
258 if (!str2
->str
) return str1
->id
- str2
->id
;
259 return 1; /* an id compares larger than a string */
261 if (!str2
->str
) return -1;
262 return strcmpW( str1
->str
, str2
->str
);
265 /* compare two resources for sorting the resource directory */
266 /* resources are stored first by type, then by name, then by language */
267 static int cmp_res( const void *ptr1
, const void *ptr2
)
269 const struct resource
*res1
= ptr1
;
270 const struct resource
*res2
= ptr2
;
273 if ((ret
= cmp_string( &res1
->type
, &res2
->type
))) return ret
;
274 if ((ret
= cmp_string( &res1
->name
, &res2
->name
))) return ret
;
275 return res1
->lang
- res2
->lang
;
278 /* build the 3-level (type,name,language) resource tree */
279 static struct res_tree
*build_resource_tree( DLLSPEC
*spec
)
282 struct res_tree
*tree
;
283 struct res_type
*type
= NULL
;
284 struct res_name
*name
= NULL
;
286 qsort( spec
->resources
, spec
->nb_resources
, sizeof(*spec
->resources
), cmp_res
);
288 tree
= xmalloc( sizeof(*tree
) );
292 for (i
= 0; i
< spec
->nb_resources
; i
++)
294 if (!i
|| cmp_string( &spec
->resources
[i
].type
, &spec
->resources
[i
-1].type
)) /* new type */
296 type
= add_type( tree
, &spec
->resources
[i
] );
297 name
= add_name( type
, &spec
->resources
[i
] );
299 else if (cmp_string( &spec
->resources
[i
].name
, &spec
->resources
[i
-1].name
)) /* new name */
301 name
= add_name( type
, &spec
->resources
[i
] );
303 else name
->nb_languages
++;
308 /* free the resource tree */
309 static void free_resource_tree( struct res_tree
*tree
)
313 for (i
= 0; i
< tree
->nb_types
; i
++) free( tree
->types
[i
].names
);
318 /* output a Unicode string */
319 static void output_string( FILE *outfile
, const WCHAR
*name
)
321 int i
, len
= strlenW(name
);
322 fprintf( outfile
, "0x%04x", len
);
323 for (i
= 0; i
< len
; i
++) fprintf( outfile
, ", 0x%04x", name
[i
] );
324 fprintf( outfile
, " /* " );
325 for (i
= 0; i
< len
; i
++) fprintf( outfile
, "%c", isprint((char)name
[i
]) ? (char)name
[i
] : '?' );
326 fprintf( outfile
, " */" );
329 /* output the resource definitions */
330 void output_resources( FILE *outfile
, DLLSPEC
*spec
)
332 int j
, k
, nb_id_types
;
333 unsigned int i
, n
, offset
, data_offset
;
334 struct res_tree
*tree
;
335 struct res_type
*type
;
336 struct res_name
*name
;
337 const struct resource
*res
;
339 if (!spec
->nb_resources
) return;
341 tree
= build_resource_tree( spec
);
343 /* directory structures */
345 fprintf( outfile
, "struct res_dir {\n" );
346 fprintf( outfile
, " unsigned int Characteristics;\n" );
347 fprintf( outfile
, " unsigned int TimeDateStamp;\n" );
348 fprintf( outfile
, " unsigned short MajorVersion, MinorVersion;\n" );
349 fprintf( outfile
, " unsigned short NumerOfNamedEntries, NumberOfIdEntries;\n};\n\n" );
350 fprintf( outfile
, "struct res_dir_entry {\n" );
351 fprintf( outfile
, " unsigned int Name;\n" );
352 fprintf( outfile
, " unsigned int OffsetToData;\n};\n\n" );
353 fprintf( outfile
, "struct res_data_entry {\n" );
354 fprintf( outfile
, " const unsigned int *OffsetToData;\n" );
355 fprintf( outfile
, " unsigned int Size;\n" );
356 fprintf( outfile
, " unsigned int CodePage;\n" );
357 fprintf( outfile
, " unsigned int ResourceHandle;\n};\n\n" );
359 /* resource directory definition */
361 fprintf( outfile
, "static struct res_struct{\n" );
362 fprintf( outfile
, " struct res_dir type_dir;\n" );
363 fprintf( outfile
, " struct res_dir_entry type_entries[%d];\n", tree
->nb_types
);
364 offset
= RESDIR_SIZE( tree
->nb_types
);
366 for (i
= 0, type
= tree
->types
; i
< tree
->nb_types
; i
++, type
++)
368 offset
+= RESDIR_SIZE( type
->nb_names
);
369 fprintf( outfile
, " struct res_dir name_%d_dir;\n", i
);
370 fprintf( outfile
, " struct res_dir_entry name_%d_entries[%d];\n", i
, type
->nb_names
);
371 for (n
= 0, name
= type
->names
; n
< type
->nb_names
; n
++, name
++)
373 offset
+= RESDIR_SIZE( name
->nb_languages
);
374 fprintf( outfile
, " struct res_dir lang_%d_%d_dir;\n", i
, n
);
375 fprintf( outfile
, " struct res_dir_entry lang_%d_%d_entries[%d];\n",
376 i
, n
, name
->nb_languages
);
380 fprintf( outfile
, " struct res_data_entry data_entries[%d];\n", spec
->nb_resources
);
381 offset
+= spec
->nb_resources
* 4 * sizeof(int);
383 for (i
= nb_id_types
= 0, type
= tree
->types
; i
< tree
->nb_types
; i
++, type
++)
387 type
->name_offset
= offset
| 0x80000000;
388 offset
+= (strlenW(type
->type
->str
)+1) * sizeof(unsigned short);
389 fprintf( outfile
, " unsigned short type_%d_name[%d];\n",
390 i
, strlenW(type
->type
->str
)+1 );
394 type
->name_offset
= type
->type
->id
;
398 for (n
= 0, name
= type
->names
; n
< type
->nb_names
; n
++, name
++)
402 name
->name_offset
= offset
| 0x80000000;
403 offset
+= (strlenW(name
->name
->str
)+1) * sizeof(unsigned short);
404 fprintf( outfile
, " unsigned short name_%d_%d_name[%d];\n",
405 i
, n
, strlenW(name
->name
->str
)+1 );
407 else name
->name_offset
= name
->name
->id
;
410 for (i
= 0, res
= spec
->resources
; i
< spec
->nb_resources
; i
++, res
++)
411 fprintf( outfile
, " unsigned int res_%d[%d];\n", i
, res
->data_size
/ 4 );
413 /* resource directory contents */
415 fprintf( outfile
, "} __wine_spec_resources = {\n" );
416 fprintf( outfile
, " { 0, 0, 0, 0, %d, %d },\n", tree
->nb_types
- nb_id_types
, nb_id_types
);
418 /* dump the type directory */
419 offset
= RESDIR_SIZE( tree
->nb_types
);
420 fprintf( outfile
, " {\n" );
421 for (i
= 0, type
= tree
->types
; i
< tree
->nb_types
; i
++, type
++)
423 fprintf( outfile
, " { 0x%08x, 0x%08x },\n", type
->name_offset
, offset
| 0x80000000 );
424 offset
+= RESDIR_SIZE( type
->nb_names
);
425 for (n
= 0, name
= type
->names
; n
< type
->nb_names
; n
++, name
++)
426 offset
+= RESDIR_SIZE( name
->nb_languages
);
428 fprintf( outfile
, " },\n" );
430 data_offset
= offset
;
431 offset
= RESDIR_SIZE( tree
->nb_types
);
433 /* dump the names and languages directories */
434 for (i
= 0, type
= tree
->types
; i
< tree
->nb_types
; i
++, type
++)
436 fprintf( outfile
, " { 0, 0, 0, 0, %d, %d }, /* name_%d_dir */\n {\n",
437 type
->nb_names
- type
->nb_id_names
, type
->nb_id_names
, i
);
438 offset
+= RESDIR_SIZE( type
->nb_names
);
439 for (n
= 0, name
= type
->names
; n
< type
->nb_names
; n
++, name
++)
441 fprintf( outfile
, " { 0x%08x, 0x%08x },\n", name
->name_offset
, offset
| 0x80000000 );
442 offset
+= RESDIR_SIZE( name
->nb_languages
);
444 fprintf( outfile
, " },\n" );
446 for (n
= 0, name
= type
->names
; n
< type
->nb_names
; n
++, name
++)
448 fprintf( outfile
, " { 0, 0, 0, 0, 0, %d }, /* lang_%d_%d_dir */\n {\n",
449 name
->nb_languages
, i
, n
);
450 for (k
= 0, res
= name
->res
; k
< name
->nb_languages
; k
++, res
++)
452 fprintf( outfile
, " { 0x%04x, 0x%08x },\n",
453 res
->lang
, data_offset
+ (res
- spec
->resources
) * 4 * sizeof(int) );
455 fprintf( outfile
, " },\n" );
459 /* dump the resource data entries */
460 fprintf( outfile
, " {\n" );
461 for (i
= 0, res
= spec
->resources
; i
< spec
->nb_resources
; i
++, res
++)
463 fprintf( outfile
, " { __wine_spec_resources.res_%d, sizeof(__wine_spec_resources.res_%d), 0, 0 }, /* %08x */\n", i
, i
,
464 data_offset
+ i
* 4 * sizeof(int) );
467 /* dump the name strings */
468 for (i
= 0, type
= tree
->types
; i
< tree
->nb_types
; i
++, type
++)
472 fprintf( outfile
, " },\n { " );
473 output_string( outfile
, type
->type
->str
);
475 for (n
= 0, name
= type
->names
; n
< type
->nb_names
; n
++, name
++)
479 fprintf( outfile
, " },\n { " );
480 output_string( outfile
, name
->name
->str
);
484 fprintf( outfile
, " },\n" );
488 for (i
= 0, res
= spec
->resources
; i
< spec
->nb_resources
; i
++, res
++)
490 const unsigned int *p
= res
->data
;
491 int size
= res
->data_size
/ 4;
492 /* dump data as ints to ensure correct alignment */
493 fprintf( outfile
, " { /* res_%d */\n ", i
);
494 for (j
= 0; j
< size
- 1; j
++, p
++)
496 fprintf( outfile
, "0x%08x,", *p
);
497 if ((j
% 8) == 7) fprintf( outfile
, "\n " );
499 fprintf( outfile
, "0x%08x\n },\n", *p
);
501 fprintf( outfile
, "};\n\n" );
503 free_resource_tree( tree
);