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wine/tools/widl/write_msft.c

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  1 /*
  2  *      Typelib v2 (MSFT) generation
  3  *
  4  *      Copyright 2004  Alastair Bridgewater
  5  *                2004, 2005 Huw Davies
  6  *
  7  * This library is free software; you can redistribute it and/or
  8  * modify it under the terms of the GNU Lesser General Public
  9  * License as published by the Free Software Foundation; either
 10  * version 2.1 of the License, or (at your option) any later version.
 11  *
 12  * This library is distributed in the hope that it will be useful,
 13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 15  * Lesser General Public License for more details.
 16  *
 17  * You should have received a copy of the GNU Lesser General Public
 18  * License along with this library; if not, write to the Free Software
 19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 20  *
 21  * --------------------------------------------------------------------------------------
 22  *  Known problems:
 23  *
 24  *    Badly incomplete.
 25  *
 26  *    Only works on little-endian systems.
 27  *
 28  */
 29 
 30 #include "config.h"
 31 #include "wine/port.h"
 32 
 33 #include <stdlib.h>
 34 #include <string.h>
 35 #include <stdarg.h>
 36 #include <stdio.h>
 37 #include <ctype.h>
 38 #include <time.h>
 39 
 40 #define NONAMELESSUNION
 41 #define NONAMELESSSTRUCT
 42 
 43 #include "winerror.h"
 44 #include "windef.h"
 45 #include "winbase.h"
 46 #include "winnls.h"
 47 
 48 #include "widltypes.h"
 49 #include "typelib.h"
 50 #include "typelib_struct.h"
 51 #include "utils.h"
 52 #include "header.h"
 53 #include "hash.h"
 54 
 55 enum MSFT_segment_index {
 56     MSFT_SEG_TYPEINFO = 0,  /* type information */
 57     MSFT_SEG_IMPORTINFO,    /* import information */
 58     MSFT_SEG_IMPORTFILES,   /* import filenames */
 59     MSFT_SEG_REFERENCES,    /* references (?) */
 60     MSFT_SEG_GUIDHASH,      /* hash table for guids? */
 61     MSFT_SEG_GUID,          /* guid storage */
 62     MSFT_SEG_NAMEHASH,      /* hash table for names */
 63     MSFT_SEG_NAME,          /* name storage */
 64     MSFT_SEG_STRING,        /* string storage */
 65     MSFT_SEG_TYPEDESC,      /* type descriptions */
 66     MSFT_SEG_ARRAYDESC,     /* array descriptions */
 67     MSFT_SEG_CUSTDATA,      /* custom data */
 68     MSFT_SEG_CUSTDATAGUID,  /* custom data guids */
 69     MSFT_SEG_UNKNOWN,       /* ??? */
 70     MSFT_SEG_UNKNOWN2,      /* ??? */
 71     MSFT_SEG_MAX            /* total number of segments */
 72 };
 73 
 74 typedef struct tagMSFT_ImpFile {
 75     int guid;
 76     LCID lcid;
 77     int version;
 78     char filename[0]; /* preceded by two bytes of encoded (length << 2) + flags in the low two bits. */
 79 } MSFT_ImpFile;
 80 
 81 typedef struct _msft_typelib_t
 82 {
 83     typelib_t *typelib;
 84     MSFT_Header typelib_header;
 85     MSFT_pSeg typelib_segdir[MSFT_SEG_MAX];
 86     char *typelib_segment_data[MSFT_SEG_MAX];
 87     int typelib_segment_block_length[MSFT_SEG_MAX];
 88 
 89     INT typelib_typeinfo_offsets[0x200]; /* Hope that's enough. */
 90 
 91     INT *typelib_namehash_segment;
 92     INT *typelib_guidhash_segment;
 93 
 94     INT help_string_dll_offset;
 95 
 96     struct _msft_typeinfo_t *typeinfos;
 97     struct _msft_typeinfo_t *last_typeinfo;
 98 } msft_typelib_t;
 99 
100 typedef struct _msft_typeinfo_t
101 {
102     msft_typelib_t *typelib;
103     MSFT_TypeInfoBase *typeinfo;
104 
105     int typekind;
106 
107     unsigned int var_data_allocated;
108     int *var_data;
109 
110     unsigned int func_data_allocated;
111     int *func_data;
112 
113     int vars_allocated;
114     int *var_indices;
115     int *var_names;
116     int *var_offsets;
117 
118     int funcs_allocated;
119     int *func_indices;
120     int *func_names;
121     int *func_offsets;
122 
123     int datawidth;
124 
125     struct _msft_typeinfo_t *next_typeinfo;
126 } msft_typeinfo_t;
127 
128 
129 
130 /*================== Internal functions ===================================*/
131 
132 /****************************************************************************
133  *      ctl2_init_header
134  *
135  *  Initializes the type library header of a new typelib.
136  */
137 static void ctl2_init_header(
138         msft_typelib_t *typelib) /* [I] The typelib to initialize. */
139 {
140     typelib->typelib_header.magic1 = 0x5446534d;
141     typelib->typelib_header.magic2 = 0x00010002;
142     typelib->typelib_header.posguid = -1;
143     typelib->typelib_header.lcid = 0x0409; /* or do we use the current one? */
144     typelib->typelib_header.lcid2 = 0x0;
145     typelib->typelib_header.varflags = 0x40;
146     typelib->typelib_header.version = 0;
147     typelib->typelib_header.flags = 0;
148     typelib->typelib_header.nrtypeinfos = 0;
149     typelib->typelib_header.helpstring = -1;
150     typelib->typelib_header.helpstringcontext = 0;
151     typelib->typelib_header.helpcontext = 0;
152     typelib->typelib_header.nametablecount = 0;
153     typelib->typelib_header.nametablechars = 0;
154     typelib->typelib_header.NameOffset = -1;
155     typelib->typelib_header.helpfile = -1;
156     typelib->typelib_header.CustomDataOffset = -1;
157     typelib->typelib_header.res44 = 0x20;
158     typelib->typelib_header.res48 = 0x80;
159     typelib->typelib_header.dispatchpos = -1;
160     typelib->typelib_header.nimpinfos = 0;
161 }
162 
163 /****************************************************************************
164  *      ctl2_init_segdir
165  *
166  *  Initializes the segment directory of a new typelib.
167  */
168 static void ctl2_init_segdir(
169         msft_typelib_t *typelib) /* [I] The typelib to initialize. */
170 {
171     int i;
172     MSFT_pSeg *segdir;
173 
174     segdir = &typelib->typelib_segdir[MSFT_SEG_TYPEINFO];
175 
176     for (i = 0; i < 15; i++) {
177         segdir[i].offset = -1;
178         segdir[i].length = 0;
179         segdir[i].res08 = -1;
180         segdir[i].res0c = 0x0f;
181     }
182 }
183 
184 /****************************************************************************
185  *      ctl2_hash_guid
186  *
187  *  Generates a hash key from a GUID.
188  *
189  * RETURNS
190  *
191  *  The hash key for the GUID.
192  */
193 static int ctl2_hash_guid(
194         REFGUID guid)                /* [I] The guid to hash. */
195 {
196     int hash;
197     int i;
198 
199     hash = 0;
200     for (i = 0; i < 8; i ++) {
201         hash ^= ((const short *)guid)[i];
202     }
203 
204     return hash & 0x1f;
205 }
206 
207 /****************************************************************************
208  *      ctl2_find_guid
209  *
210  *  Locates a guid in a type library.
211  *
212  * RETURNS
213  *
214  *  The offset into the GUID segment of the guid, or -1 if not found.
215  */
216 static int ctl2_find_guid(
217         msft_typelib_t *typelib,   /* [I] The typelib to operate against. */
218         int hash_key,              /* [I] The hash key for the guid. */
219         REFGUID guid)              /* [I] The guid to find. */
220 {
221     int offset;
222     MSFT_GuidEntry *guidentry;
223 
224     offset = typelib->typelib_guidhash_segment[hash_key];
225     while (offset != -1) {
226         guidentry = (MSFT_GuidEntry *)&typelib->typelib_segment_data[MSFT_SEG_GUID][offset];
227 
228         if (!memcmp(guidentry, guid, sizeof(GUID))) return offset;
229 
230         offset = guidentry->next_hash;
231     }
232 
233     return offset;
234 }
235 
236 /****************************************************************************
237  *      ctl2_find_name
238  *
239  *  Locates a name in a type library.
240  *
241  * RETURNS
242  *
243  *  The offset into the NAME segment of the name, or -1 if not found.
244  *
245  * NOTES
246  *
247  *  The name must be encoded as with ctl2_encode_name().
248  */
249 static int ctl2_find_name(
250         msft_typelib_t *typelib,   /* [I] The typelib to operate against. */
251         char *name)                /* [I] The encoded name to find. */
252 {
253     int offset;
254     int *namestruct;
255 
256     offset = typelib->typelib_namehash_segment[name[2] & 0x7f];
257     while (offset != -1) {
258         namestruct = (int *)&typelib->typelib_segment_data[MSFT_SEG_NAME][offset];
259 
260         if (!((namestruct[2] ^ *((int *)name)) & 0xffff00ff)) {
261             /* hash codes and lengths match, final test */
262             if (!strncasecmp(name+4, (void *)(namestruct+3), name[0])) break;
263         }
264 
265         /* move to next item in hash bucket */
266         offset = namestruct[1];
267     }
268 
269     return offset;
270 }
271 
272 /****************************************************************************
273  *      ctl2_encode_name
274  *
275  *  Encodes a name string to a form suitable for storing into a type library
276  *  or comparing to a name stored in a type library.
277  *
278  * RETURNS
279  *
280  *  The length of the encoded name, including padding and length+hash fields.
281  *
282  * NOTES
283  *
284  *  Will throw an exception if name or result are NULL. Is not multithread
285  *  safe in the slightest.
286  */
287 static int ctl2_encode_name(
288         msft_typelib_t *typelib,   /* [I] The typelib to operate against (used for LCID only). */
289         const char *name,          /* [I] The name string to encode. */
290         char **result)             /* [O] A pointer to a pointer to receive the encoded name. */
291 {
292     int length;
293     static char converted_name[0x104];
294     int offset;
295     int value;
296 
297     length = strlen(name);
298     memcpy(converted_name + 4, name, length);
299 
300     converted_name[length + 4] = 0;
301 
302 
303     value = lhash_val_of_name_sys(typelib->typelib_header.varflags & 0x0f, typelib->typelib_header.lcid, converted_name + 4);
304 
305 #ifdef WORDS_BIGENDIAN
306     converted_name[3] = length & 0xff;
307     converted_name[2] = 0x00;
308     converted_name[1] = value;
309     converted_name[0] = value >> 8;
310 #else
311     converted_name[0] = length & 0xff;
312     converted_name[1] = 0x00;
313     converted_name[2] = value;
314     converted_name[3] = value >> 8;
315 #endif
316 
317     for (offset = (4 - length) & 3; offset; offset--) converted_name[length + offset + 3] = 0x57;
318 
319     *result = converted_name;
320 
321     return (length + 7) & ~3;
322 }
323 
324 /****************************************************************************
325  *      ctl2_encode_string
326  *
327  *  Encodes a string to a form suitable for storing into a type library or
328  *  comparing to a string stored in a type library.
329  *
330  * RETURNS
331  *
332  *  The length of the encoded string, including padding and length fields.
333  *
334  * NOTES
335  *
336  *  Will throw an exception if string or result are NULL. Is not multithread
337  *  safe in the slightest.
338  */
339 static int ctl2_encode_string(
340         const char *string,        /* [I] The string to encode. */
341         char **result)             /* [O] A pointer to a pointer to receive the encoded string. */
342 {
343     int length;
344     static char converted_string[0x104];
345     int offset;
346 
347     length = strlen(string);
348     memcpy(converted_string + 2, string, length);
349 
350 #ifdef WORDS_BIGENDIAN
351     converted_string[1] = length & 0xff;
352     converted_string[0] = (length >> 8) & 0xff;
353 #else
354     converted_string[0] = length & 0xff;
355     converted_string[1] = (length >> 8) & 0xff;
356 #endif
357 
358     if(length < 3) { /* strings of this length are padded with up to 8 bytes incl the 2 byte length */
359         for(offset = 0; offset < 4; offset++)
360             converted_string[length + offset + 2] = 0x57;
361         length += 4;
362     }
363     for (offset = (4 - (length + 2)) & 3; offset; offset--) converted_string[length + offset + 1] = 0x57;
364 
365     *result = converted_string;
366 
367     return (length + 5) & ~3;
368 }
369 
370 /****************************************************************************
371  *      ctl2_alloc_segment
372  *
373  *  Allocates memory from a segment in a type library.
374  *
375  * RETURNS
376  *
377  *  Success: The offset within the segment of the new data area.
378  *
379  * BUGS
380  *
381  *  Does not (yet) handle the case where the allocated segment memory needs to grow.
382  */
383 static int ctl2_alloc_segment(
384         msft_typelib_t *typelib,         /* [I] The type library in which to allocate. */
385         enum MSFT_segment_index segment, /* [I] The segment in which to allocate. */
386         int size,                        /* [I] The amount to allocate. */
387         int block_size)                  /* [I] Initial allocation block size, or 0 for default. */
388 {
389     int offset;
390 
391     if(!typelib->typelib_segment_data[segment]) {
392         if (!block_size) block_size = 0x2000;
393 
394         typelib->typelib_segment_block_length[segment] = block_size;
395         typelib->typelib_segment_data[segment] = xmalloc(block_size);
396         if (!typelib->typelib_segment_data[segment]) return -1;
397         memset(typelib->typelib_segment_data[segment], 0x57, block_size);
398     }
399 
400     while ((typelib->typelib_segdir[segment].length + size) > typelib->typelib_segment_block_length[segment]) {
401         char *block;
402 
403         block_size = typelib->typelib_segment_block_length[segment];
404         block = xrealloc(typelib->typelib_segment_data[segment], block_size << 1);
405 
406         if (segment == MSFT_SEG_TYPEINFO) {
407             /* TypeInfos have a direct pointer to their memory space, so we have to fix them up. */
408             msft_typeinfo_t *typeinfo;
409 
410             for (typeinfo = typelib->typeinfos; typeinfo; typeinfo = typeinfo->next_typeinfo) {
411                 typeinfo->typeinfo = (void *)&block[((char *)typeinfo->typeinfo) - typelib->typelib_segment_data[segment]];
412             }
413         }
414 
415         memset(block + block_size, 0x57, block_size);
416         typelib->typelib_segment_block_length[segment] = block_size << 1;
417         typelib->typelib_segment_data[segment] = block;
418     }
419 
420     offset = typelib->typelib_segdir[segment].length;
421     typelib->typelib_segdir[segment].length += size;
422 
423     return offset;
424 }
425 
426 /****************************************************************************
427  *      ctl2_alloc_typeinfo
428  *
429  *  Allocates and initializes a typeinfo structure in a type library.
430  *
431  * RETURNS
432  *
433  *  Success: The offset of the new typeinfo.
434  *  Failure: -1 (this is invariably an out of memory condition).
435  */
436 static int ctl2_alloc_typeinfo(
437         msft_typelib_t *typelib,   /* [I] The type library to allocate in. */
438         int nameoffset)            /* [I] The offset of the name for this typeinfo. */
439 {
440     int offset;
441     MSFT_TypeInfoBase *typeinfo;
442 
443     offset = ctl2_alloc_segment(typelib, MSFT_SEG_TYPEINFO, sizeof(MSFT_TypeInfoBase), 0);
444 
445     typelib->typelib_typeinfo_offsets[typelib->typelib_header.nrtypeinfos++] = offset;
446 
447     typeinfo = (void *)(typelib->typelib_segment_data[MSFT_SEG_TYPEINFO] + offset);
448 
449     typeinfo->typekind = (typelib->typelib_header.nrtypeinfos - 1) << 16;
450     typeinfo->memoffset = -1; /* should be EOF if no elements */
451     typeinfo->res2 = 0;
452     typeinfo->res3 = -1;
453     typeinfo->res4 = 3;
454     typeinfo->res5 = 0;
455     typeinfo->cElement = 0;
456     typeinfo->res7 = 0;
457     typeinfo->res8 = 0;
458     typeinfo->res9 = 0;
459     typeinfo->resA = 0;
460     typeinfo->posguid = -1;
461     typeinfo->flags = 0;
462     typeinfo->NameOffset = nameoffset;
463     typeinfo->version = 0;
464     typeinfo->docstringoffs = -1;
465     typeinfo->helpstringcontext = 0;
466     typeinfo->helpcontext = 0;
467     typeinfo->oCustData = -1;
468     typeinfo->cbSizeVft = 0;
469     typeinfo->cImplTypes = 0;
470     typeinfo->size = 0;
471     typeinfo->datatype1 = -1;
472     typeinfo->datatype2 = 0;
473     typeinfo->res18 = 0;
474     typeinfo->res19 = -1;
475 
476     return offset;
477 }
478 
479 /****************************************************************************
480  *      ctl2_alloc_guid
481  *
482  *  Allocates and initializes a GUID structure in a type library. Also updates
483  *  the GUID hash table as needed.
484  *
485  * RETURNS
486  *
487  *  Success: The offset of the new GUID.
488  */
489 static int ctl2_alloc_guid(
490         msft_typelib_t *typelib,   /* [I] The type library to allocate in. */
491         MSFT_GuidEntry *guid)      /* [I] The GUID to store. */
492 {
493     int offset;
494     MSFT_GuidEntry *guid_space;
495     int hash_key;
496 
497     hash_key = ctl2_hash_guid(&guid->guid);
498 
499     offset = ctl2_find_guid(typelib, hash_key, &guid->guid);
500     if (offset != -1) return offset;
501 
502     offset = ctl2_alloc_segment(typelib, MSFT_SEG_GUID, sizeof(MSFT_GuidEntry), 0);
503 
504     guid_space = (void *)(typelib->typelib_segment_data[MSFT_SEG_GUID] + offset);
505     *guid_space = *guid;
506 
507     guid_space->next_hash = typelib->typelib_guidhash_segment[hash_key];
508     typelib->typelib_guidhash_segment[hash_key] = offset;
509 
510     return offset;
511 }
512 
513 /****************************************************************************
514  *      ctl2_alloc_name
515  *
516  *  Allocates and initializes a name within a type library. Also updates the
517  *  name hash table as needed.
518  *
519  * RETURNS
520  *
521  *  Success: The offset within the segment of the new name.
522  *  Failure: -1 (this is invariably an out of memory condition).
523  */
524 static int ctl2_alloc_name(
525         msft_typelib_t *typelib,  /* [I] The type library to allocate in. */
526         const char *name)         /* [I] The name to store. */
527 {
528     int length;
529     int offset;
530     MSFT_NameIntro *name_space;
531     char *encoded_name;
532 
533     length = ctl2_encode_name(typelib, name, &encoded_name);
534 
535     offset = ctl2_find_name(typelib, encoded_name);
536     if (offset != -1) return offset;
537 
538     offset = ctl2_alloc_segment(typelib, MSFT_SEG_NAME, length + 8, 0);
539 
540     name_space = (void *)(typelib->typelib_segment_data[MSFT_SEG_NAME] + offset);
541     name_space->hreftype = -1;
542     name_space->next_hash = -1;
543     memcpy(&name_space->namelen, encoded_name, length);
544 
545     if (typelib->typelib_namehash_segment[encoded_name[2] & 0x7f] != -1)
546         name_space->next_hash = typelib->typelib_namehash_segment[encoded_name[2] & 0x7f];
547 
548     typelib->typelib_namehash_segment[encoded_name[2] & 0x7f] = offset;
549 
550     typelib->typelib_header.nametablecount += 1;
551     typelib->typelib_header.nametablechars += *encoded_name;
552 
553     return offset;
554 }
555 
556 /****************************************************************************
557  *      ctl2_alloc_string
558  *
559  *  Allocates and initializes a string in a type library.
560  *
561  * RETURNS
562  *
563  *  Success: The offset within the segment of the new string.
564  *  Failure: -1 (this is invariably an out of memory condition).
565  */
566 static int ctl2_alloc_string(
567         msft_typelib_t *typelib,  /* [I] The type library to allocate in. */
568         const char *string)       /* [I] The string to store. */
569 {
570     int length;
571     int offset;
572     char *string_space;
573     char *encoded_string;
574 
575     length = ctl2_encode_string(string, &encoded_string);
576 
577     for (offset = 0; offset < typelib->typelib_segdir[MSFT_SEG_STRING].length;
578          offset += ((((typelib->typelib_segment_data[MSFT_SEG_STRING][offset + 1] << 8) & 0xff)
579              | (typelib->typelib_segment_data[MSFT_SEG_STRING][offset + 0] & 0xff)) + 5) & ~3) {
580         if (!memcmp(encoded_string, typelib->typelib_segment_data[MSFT_SEG_STRING] + offset, length)) return offset;
581     }
582 
583     offset = ctl2_alloc_segment(typelib, MSFT_SEG_STRING, length, 0);
584 
585     string_space = typelib->typelib_segment_data[MSFT_SEG_STRING] + offset;
586     memcpy(string_space, encoded_string, length);
587 
588     return offset;
589 }
590 
591 /****************************************************************************
592  *      alloc_msft_importinfo
593  *
594  *  Allocates and initializes an import information structure in a type library.
595  *
596  * RETURNS
597  *
598  *  Success: The offset of the new importinfo.
599  *  Failure: -1 (this is invariably an out of memory condition).
600  */
601 static int alloc_msft_importinfo(
602         msft_typelib_t *typelib,   /* [I] The type library to allocate in. */
603         MSFT_ImpInfo *impinfo)     /* [I] The import information to store. */
604 {
605     int offset;
606     MSFT_ImpInfo *impinfo_space;
607 
608     for (offset = 0;
609          offset < typelib->typelib_segdir[MSFT_SEG_IMPORTINFO].length;
610          offset += sizeof(MSFT_ImpInfo)) {
611         if (!memcmp(&(typelib->typelib_segment_data[MSFT_SEG_IMPORTINFO][offset]),
612                     impinfo, sizeof(MSFT_ImpInfo))) {
613             return offset;
614         }
615     }
616 
617     impinfo->flags |= typelib->typelib_header.nimpinfos++;
618 
619     offset = ctl2_alloc_segment(typelib, MSFT_SEG_IMPORTINFO, sizeof(MSFT_ImpInfo), 0);
620 
621     impinfo_space = (void *)(typelib->typelib_segment_data[MSFT_SEG_IMPORTINFO] + offset);
622     *impinfo_space = *impinfo;
623 
624     return offset;
625 }
626 
627 /****************************************************************************
628  *      alloc_importfile
629  *
630  *  Allocates and initializes an import file definition in a type library.
631  *
632  * RETURNS
633  *
634  *  Success: The offset of the new importinfo.
635  *  Failure: -1 (this is invariably an out of memory condition).
636  */
637 static int alloc_importfile(
638         msft_typelib_t *typelib,   /* [I] The type library to allocate in. */
639         int guidoffset,            /* [I] The offset to the GUID for the imported library. */
640         int major_version,         /* [I] The major version number of the imported library. */
641         int minor_version,         /* [I] The minor version number of the imported library. */
642         const char *filename)      /* [I] The filename of the imported library. */
643 {
644     int length;
645     int offset;
646     MSFT_ImpFile *importfile;
647     char *encoded_string;
648 
649     length = ctl2_encode_string(filename, &encoded_string);
650 
651     encoded_string[0] <<= 2;
652     encoded_string[0] |= 1;
653 
654     for (offset = 0; offset < typelib->typelib_segdir[MSFT_SEG_IMPORTFILES].length;
655          offset += ((((typelib->typelib_segment_data[MSFT_SEG_IMPORTFILES][offset + 0xd] << 8) & 0xff)
656              | (typelib->typelib_segment_data[MSFT_SEG_IMPORTFILES][offset + 0xc] & 0xff)) >> 2) + 0xc) {
657         if (!memcmp(encoded_string, typelib->typelib_segment_data[MSFT_SEG_IMPORTFILES] + offset + 0xc, length)) return offset;
658     }
659 
660     offset = ctl2_alloc_segment(typelib, MSFT_SEG_IMPORTFILES, length + 0xc, 0);
661 
662     importfile = (MSFT_ImpFile *)&typelib->typelib_segment_data[MSFT_SEG_IMPORTFILES][offset];
663     importfile->guid = guidoffset;
664     importfile->lcid = typelib->typelib_header.lcid2;
665     importfile->version = major_version | (minor_version << 16);
666     memcpy(&importfile->filename, encoded_string, length);
667 
668     return offset;
669 }
670 
671 static void alloc_importinfo(msft_typelib_t *typelib, importinfo_t *importinfo)
672 {
673     importlib_t *importlib = importinfo->importlib;
674 
675     chat("alloc_importinfo: %s\n", importinfo->name);
676 
677     if(!importlib->allocated) {
678         MSFT_GuidEntry guid;
679         int guid_idx;
680 
681         chat("allocating importlib %s\n", importlib->name);
682 
683         importlib->allocated = -1;
684 
685         memcpy(&guid.guid, &importlib->guid, sizeof(GUID));
686         guid.hreftype = 2;
687 
688         guid_idx = ctl2_alloc_guid(typelib, &guid);
689 
690         alloc_importfile(typelib, guid_idx, importlib->version&0xffff,
691                          importlib->version>>16, importlib->name);
692     }
693 
694     if(importinfo->offset == -1 || !(importinfo->flags & MSFT_IMPINFO_OFFSET_IS_GUID)) {
695         MSFT_ImpInfo impinfo;
696 
697         impinfo.flags = importinfo->flags;
698         impinfo.oImpFile = 0;
699 
700         if(importinfo->flags & MSFT_IMPINFO_OFFSET_IS_GUID) {
701             MSFT_GuidEntry guid;
702 
703             guid.hreftype = 0;
704             memcpy(&guid.guid, &importinfo->guid, sizeof(GUID));
705 
706             impinfo.oGuid = ctl2_alloc_guid(typelib, &guid);
707 
708             importinfo->offset = alloc_msft_importinfo(typelib, &impinfo);
709 
710             typelib->typelib_segment_data[MSFT_SEG_GUID][impinfo.oGuid+sizeof(GUID)]
711                 = importinfo->offset+1;
712 
713             if(!strcmp(importinfo->name, "IDispatch"))
714                 typelib->typelib_header.dispatchpos = importinfo->offset+1;
715         }else {
716             impinfo.oGuid = importinfo->id;
717             importinfo->offset = alloc_msft_importinfo(typelib, &impinfo);
718         }
719     }
720 }
721 
722 static importinfo_t *find_importinfo(msft_typelib_t *typelib, const char *name)
723 {
724     importlib_t *importlib;
725     int i;
726 
727     chat("search importlib %s\n", name);
728 
729     if(!name)
730         return NULL;
731 
732     LIST_FOR_EACH_ENTRY( importlib, &typelib->typelib->importlibs, importlib_t, entry )
733     {
734         for(i=0; i < importlib->ntypeinfos; i++) {
735             if(!strcmp(name, importlib->importinfos[i].name)) {
736                 chat("Found %s in importlib.\n", name);
737                 return importlib->importinfos+i;
738             }
739         }
740     }
741 
742     return NULL;
743 }
744 
745 static void add_structure_typeinfo(msft_typelib_t *typelib, type_t *structure);
746 static void add_interface_typeinfo(msft_typelib_t *typelib, type_t *interface);
747 static void add_enum_typeinfo(msft_typelib_t *typelib, type_t *enumeration);
748 static void add_coclass_typeinfo(msft_typelib_t *typelib, type_t *cls);
749 static void add_dispinterface_typeinfo(msft_typelib_t *typelib, type_t *dispinterface);
750 
751 
752 /****************************************************************************
753  *      encode_type
754  *
755  *  Encodes a type, storing information in the TYPEDESC and ARRAYDESC
756  *  segments as needed.
757  *
758  * RETURNS
759  *
760  *  Success: 0.
761  *  Failure: -1.
762  */
763 static int encode_type(
764         msft_typelib_t *typelib,   /* [I] The type library in which to encode the TYPEDESC. */
765         int vt,                    /* [I] vt to encode */
766         type_t *type,              /* [I] type */
767         int *encoded_type,         /* [O] The encoded type description. */
768         int *width,                /* [O] The width of the type, or NULL. */
769         int *alignment,            /* [O] The alignment of the type, or NULL. */
770         int *decoded_size)         /* [O] The total size of the unencoded TYPEDESCs, including nested descs. */
771 {
772     int default_type;
773     int scratch;
774     int typeoffset;
775     int *typedata;
776     int target_type;
777     int child_size = 0;
778 
779     chat("encode_type vt %d type %p\n", vt, type);
780 
781     default_type = 0x80000000 | (vt << 16) | vt;
782     if (!width) width = &scratch;
783     if (!alignment) alignment = &scratch;
784     if (!decoded_size) decoded_size = &scratch;
785 
786 
787     switch (vt) {
788     case VT_I1:
789     case VT_UI1:
790         *encoded_type = default_type;
791         *width = 1;
792         *alignment = 1;
793         break;
794 
795     case VT_INT:
796         *encoded_type = 0x80000000 | (VT_I4 << 16) | VT_INT;
797         if ((typelib->typelib_header.varflags & 0x0f) == SYS_WIN16) {
798             *width = 2;
799             *alignment = 2;
800         } else {
801             *width = 4;
802             *alignment = 4;
803         }
804         break;
805 
806     case VT_UINT:
807         *encoded_type = 0x80000000 | (VT_UI4 << 16) | VT_UINT;
808         if ((typelib->typelib_header.varflags & 0x0f) == SYS_WIN16) {
809             *width = 2;
810             *alignment = 2;
811         } else {
812             *width = 4;
813             *alignment = 4;
814         }
815         break;
816 
817     case VT_UI2:
818     case VT_I2:
819     case VT_BOOL:
820         *encoded_type = default_type;
821         *width = 2;
822         *alignment = 2;
823         break;
824 
825     case VT_I4:
826     case VT_UI4:
827     case VT_R4:
828     case VT_ERROR:
829     case VT_BSTR:
830     case VT_HRESULT:
831         *encoded_type = default_type;
832         *width = 4;
833         *alignment = 4;
834         break;
835 
836     case VT_R8:
837     case VT_I8:
838     case VT_UI8:
839         *encoded_type = default_type;
840         *width = 8;
841         *alignment = 8;
842         break;
843 
844     case VT_CY:
845     case VT_DATE:
846         *encoded_type = default_type;
847         *width = 8;
848         *alignment = 8;
849         break;
850 
851     case VT_VOID:
852         *encoded_type = 0x80000000 | (VT_EMPTY << 16) | vt;
853         *width = 0;
854         *alignment = 1;
855         break;
856 
857     case VT_UNKNOWN:
858     case VT_DISPATCH:
859         *encoded_type = default_type;
860         *width = 4;
861         *alignment = 4;
862         break;
863 
864     case VT_VARIANT:
865         *encoded_type = default_type;
866         break;
867 
868     case VT_LPSTR:
869     case VT_LPWSTR:
870         *encoded_type = 0xfffe0000 | vt;
871         *width = 4;
872         *alignment = 4;
873         break;
874 
875     case VT_PTR:
876       {
877         int next_vt;
878         for(next_vt = 0; type->ref; type = type->ref) {
879             next_vt = get_type_vt(type->ref);
880             if (next_vt != 0)
881                 break;
882         }
883         /* if no type found then it must be void */
884         if (next_vt == 0)
885             next_vt = VT_VOID;
886 
887         encode_type(typelib, next_vt, type->ref, &target_type, NULL, NULL, &child_size);
888         /* these types already have an implicit pointer, so we don't need to
889          * add another */
890         if(next_vt == VT_DISPATCH || next_vt == VT_UNKNOWN) {
891             chat("encode_type: skipping ptr\n");
892             *encoded_type = target_type;
893             *width = 4;
894             *alignment = 4;
895             *decoded_size = child_size;
896             break;
897         }
898 
899         for (typeoffset = 0; typeoffset < typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length; typeoffset += 8) {
900             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
901             if (((typedata[0] & 0xffff) == VT_PTR) && (typedata[1] == target_type)) break;
902         }
903 
904         if (typeoffset == typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length) {
905             int mix_field;
906             
907             if (target_type & 0x80000000) {
908                 mix_field = ((target_type >> 16) & 0x3fff) | VT_BYREF;
909             } else {
910                 typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][target_type];
911                 mix_field = ((typedata[0] >> 16) == 0x7fff)? 0x7fff: 0x7ffe;
912             }
913 
914             typeoffset = ctl2_alloc_segment(typelib, MSFT_SEG_TYPEDESC, 8, 0);
915             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
916 
917             typedata[0] = (mix_field << 16) | VT_PTR;
918             typedata[1] = target_type;
919         }
920 
921         *encoded_type = typeoffset;
922 
923         *width = 4;
924         *alignment = 4;
925         *decoded_size = 8 /*sizeof(TYPEDESC)*/ + child_size;
926         break;
927     }
928 
929 
930     case VT_SAFEARRAY:
931         {
932         int next_vt;
933 
934         /* skip over SAFEARRAY type straight to element type */
935         type = type->ref;
936 
937         for(next_vt = 0; type->ref; type = type->ref) {
938             next_vt = get_type_vt(type->ref);
939             if (next_vt != 0)
940                 break;
941         }
942 
943         encode_type(typelib, next_vt, type->ref, &target_type, NULL, NULL, &child_size);
944 
945         for (typeoffset = 0; typeoffset < typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length; typeoffset += 8) {
946             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
947             if (((typedata[0] & 0xffff) == VT_SAFEARRAY) && (typedata[1] == target_type)) break;
948         }
949 
950         if (typeoffset == typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length) {
951             int mix_field;
952             
953             if (target_type & 0x80000000) {
954                 mix_field = ((target_type >> 16) & VT_TYPEMASK) | VT_ARRAY;
955             } else {
956                 typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][target_type];
957                 mix_field = ((typedata[0] >> 16) == 0x7fff)? 0x7fff: 0x7ffe;
958             }
959 
960             typeoffset = ctl2_alloc_segment(typelib, MSFT_SEG_TYPEDESC, 8, 0);
961             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
962 
963             typedata[0] = (mix_field << 16) | VT_SAFEARRAY;
964             typedata[1] = target_type;
965         }
966 
967         *encoded_type = typeoffset;
968 
969         *width = 4;
970         *alignment = 4;
971         *decoded_size = 8 /*sizeof(TYPEDESC)*/ + child_size;
972         break;
973         }
974 
975 
976     case VT_USERDEFINED:
977       {
978         int typeinfo_offset;
979 
980         /* typedef'd types without public attribute aren't included in the typelib */
981         while (type->typelib_idx < 0 && type->kind == TKIND_ALIAS && !is_attr(type->attrs, ATTR_PUBLIC))
982           type = type->orig;
983 
984         chat("encode_type: VT_USERDEFINED - type %p name = %s type->type %d idx %d\n", type,
985              type->name, type->type, type->typelib_idx);
986 
987         if(type->typelib_idx == -1) {
988             chat("encode_type: trying to ref not added type\n");
989             switch(type->type) {
990             case RPC_FC_STRUCT:
991             case RPC_FC_PSTRUCT:
992             case RPC_FC_CSTRUCT:
993             case RPC_FC_CPSTRUCT:
994             case RPC_FC_CVSTRUCT:
995             case RPC_FC_BOGUS_STRUCT:
996                 add_structure_typeinfo(typelib, type);
997                 break;
998             case RPC_FC_IP:
999                 add_interface_typeinfo(typelib, type);
1000                 break;
1001             case RPC_FC_ENUM16:
1002                 add_enum_typeinfo(typelib, type);
1003                 break;
1004             case RPC_FC_COCLASS:
1005                 add_coclass_typeinfo(typelib, type);
1006                 break;
1007             case 0:
1008                 error("encode_type: VT_USERDEFINED - can't yet add typedef's on the fly\n");
1009                 break;
1010             default:
1011                 error("encode_type: VT_USERDEFINED - unhandled type %d\n", type->type);
1012             }
1013         }
1014 
1015         typeinfo_offset = typelib->typelib_typeinfo_offsets[type->typelib_idx];
1016         for (typeoffset = 0; typeoffset < typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length; typeoffset += 8) {
1017             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
1018             if ((typedata[0] == ((0x7fff << 16) | VT_USERDEFINED)) && (typedata[1] == typeinfo_offset)) break;
1019         }
1020 
1021         if (typeoffset == typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length) {
1022             typeoffset = ctl2_alloc_segment(typelib, MSFT_SEG_TYPEDESC, 8, 0);
1023             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
1024 
1025             typedata[0] = (0x7fff << 16) | VT_USERDEFINED;
1026             typedata[1] = typeinfo_offset;
1027         }
1028 
1029         *encoded_type = typeoffset;
1030         *width = 0;
1031         *alignment = 1;
1032         break;
1033       }
1034 
1035     default:
1036         error("encode_type: unrecognized type %d.\n", vt);
1037         *encoded_type = default_type;
1038         *width = 0;
1039         *alignment = 1;
1040         break;
1041     }
1042 
1043     return 0;
1044 }
1045 
1046 static void dump_type(type_t *t)
1047 {
1048     chat("dump_type: %p name %s type %d ref %p attrs %p\n", t, t->name, t->type, t->ref, t->attrs);
1049     if(t->ref) dump_type(t->ref);
1050 }
1051 
1052 static int encode_var(
1053         msft_typelib_t *typelib,   /* [I] The type library in which to encode the TYPEDESC. */
1054         type_t *type,              /* [I] The type description to encode. */
1055         var_t *var,                /* [I] The var to encode. */
1056         int *encoded_type,         /* [O] The encoded type description. */
1057         int *width,                /* [O] The width of the type, or NULL. */
1058         int *alignment,            /* [O] The alignment of the type, or NULL. */
1059         int *decoded_size)         /* [O] The total size of the unencoded TYPEDESCs, including nested descs. */
1060 {
1061     int typeoffset;
1062     int *typedata;
1063     int target_type;
1064     int child_size;
1065     int vt;
1066     int scratch;
1067 
1068     if (!width) width = &scratch;
1069     if (!alignment) alignment = &scratch;
1070     if (!decoded_size) decoded_size = &scratch;
1071     *decoded_size = 0;
1072 
1073     chat("encode_var: var %p type %p type->name %s type->ref %p\n",
1074          var, type, type->name ? type->name : "NULL", type->ref);
1075 
1076     if (type->declarray) {
1077         int num_dims, elements = 1, arrayoffset;
1078         type_t *atype;
1079         int *arraydata;
1080 
1081         num_dims = 0;
1082         for (atype = type; atype->declarray; atype = atype->ref)
1083             ++num_dims;
1084 
1085         chat("array with %d dimensions\n", num_dims);
1086         encode_var(typelib, atype, var, &target_type, width, alignment, NULL);
1087         arrayoffset = ctl2_alloc_segment(typelib, MSFT_SEG_ARRAYDESC, (2 + 2 * num_dims) * sizeof(long), 0);
1088         arraydata = (void *)&typelib->typelib_segment_data[MSFT_SEG_ARRAYDESC][arrayoffset];
1089 
1090         arraydata[0] = target_type;
1091         arraydata[1] = num_dims;
1092         arraydata[1] |= ((num_dims * 2 * sizeof(long)) << 16);
1093 
1094         arraydata += 2;
1095         for (atype = type; atype->declarray; atype = atype->ref)
1096         {
1097             arraydata[0] = atype->dim;
1098             arraydata[1] = 0;
1099             arraydata += 2;
1100             elements *= atype->dim;
1101         }
1102 
1103         typeoffset = ctl2_alloc_segment(typelib, MSFT_SEG_TYPEDESC, 8, 0);
1104         typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
1105 
1106         typedata[0] = (0x7ffe << 16) | VT_CARRAY;
1107         typedata[1] = arrayoffset;
1108 
1109         *encoded_type = typeoffset;
1110         *width = *width * elements;
1111         *decoded_size = 20 /*sizeof(ARRAYDESC)*/ + (num_dims - 1) * 8 /*sizeof(SAFEARRAYBOUND)*/;
1112         return 0;
1113     }
1114 
1115     vt = get_type_vt(type);
1116     if (vt == VT_PTR) {
1117         int skip_ptr = encode_var(typelib, type->ref, var, &target_type, NULL, NULL, &child_size);
1118 
1119         if(skip_ptr == 2) {
1120             chat("encode_var: skipping ptr\n");
1121             *encoded_type = target_type;
1122             *decoded_size = child_size;
1123             *width = 4;
1124             *alignment = 4;
1125             return 0;
1126         }
1127 
1128         for (typeoffset = 0; typeoffset < typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length; typeoffset += 8) {
1129             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
1130             if (((typedata[0] & 0xffff) == VT_PTR) && (typedata[1] == target_type)) break;
1131         }
1132 
1133         if (typeoffset == typelib->typelib_segdir[MSFT_SEG_TYPEDESC].length) {
1134             int mix_field;
1135             
1136             if (target_type & 0x80000000) {
1137                 mix_field = ((target_type >> 16) & 0x3fff) | VT_BYREF;
1138             } else {
1139                 typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][target_type];
1140                 mix_field = ((typedata[0] >> 16) == 0x7fff)? 0x7fff: 0x7ffe;
1141             }
1142 
1143             typeoffset = ctl2_alloc_segment(typelib, MSFT_SEG_TYPEDESC, 8, 0);
1144             typedata = (void *)&typelib->typelib_segment_data[MSFT_SEG_TYPEDESC][typeoffset];
1145 
1146             typedata[0] = (mix_field << 16) | VT_PTR;
1147             typedata[1] = target_type;
1148         }
1149 
1150         *encoded_type = typeoffset;
1151 
1152         *width = 4;
1153         *alignment = 4;
1154         *decoded_size = 8 /*sizeof(TYPEDESC)*/ + child_size;
1155         return 0;
1156     }
1157 
1158     dump_type(type);
1159 
1160     encode_type(typelib, vt, type, encoded_type, width, alignment, decoded_size);
1161     /* these types already have an implicit pointer, so we don't need to
1162      * add another */
1163     if(vt == VT_DISPATCH || vt == VT_UNKNOWN) return 2;
1164     return 0;
1165 }
1166 
1167 static unsigned long get_ulong_val(unsigned long val, int vt)
1168 {
1169     switch(vt) {
1170     case VT_I2:
1171     case VT_BOOL:
1172     case VT_UI2:
1173         return val & 0xffff;
1174     case VT_I1:
1175     case VT_UI1:
1176         return val & 0xff;
1177     }
1178 
1179     return val;
1180 }
1181 
1182 static void write_value(msft_typelib_t* typelib, int *out, int vt, const void *value)
1183 {
1184     switch(vt) {
1185     case VT_I2:
1186     case VT_I4:
1187     case VT_R4:
1188     case VT_BOOL:
1189     case VT_I1:
1190     case VT_UI1:
1191     case VT_UI2:
1192     case VT_UI4:
1193     case VT_INT:
1194     case VT_UINT:
1195     case VT_HRESULT:
1196     case VT_PTR:
1197       {
1198         const unsigned long lv = get_ulong_val(*(const unsigned long*)value, vt);
1199         if((lv & 0x3ffffff) == lv) {
1200             *out = 0x80000000;
1201             *out |= vt << 26;
1202             *out |= lv;
1203         } else {
1204             int offset = ctl2_alloc_segment(typelib, MSFT_SEG_CUSTDATA, 8, 0);
1205             *((unsigned short *)&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset]) = vt;
1206             memcpy(&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset+2], value, 4);
1207             *((unsigned short *)&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset+6]) = 0x5757;
1208             *out = offset;
1209         }
1210         return;
1211       }
1212     case VT_BSTR:
1213       {
1214         const char *s = (const char *) value;
1215         int len = strlen(s), seg_len = (len + 6 + 3) & ~0x3;
1216         int offset = ctl2_alloc_segment(typelib, MSFT_SEG_CUSTDATA, seg_len, 0);
1217         *((unsigned short *)&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset]) = vt;
1218         *((unsigned int *)&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset+2]) = len;        
1219         memcpy(&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset+6], value, len);
1220         len += 6;
1221         while(len < seg_len) {
1222             *((char *)&typelib->typelib_segment_data[MSFT_SEG_CUSTDATA][offset+len]) = 0x57;
1223             len++;
1224         }
1225         *out = offset;
1226         return;
1227       }
1228 
1229     default:
1230         warning("can't write value of type %d yet\n", vt);
1231     }
1232     return;
1233 }
1234 
1235 static HRESULT set_custdata(msft_typelib_t *typelib, REFGUID guid,
1236                             int vt, void *value, int *offset)
1237 {
1238     MSFT_GuidEntry guidentry;
1239     int guidoffset;
1240     int custoffset;
1241     int *custdata;
1242     int data_out;
1243 
1244     guidentry.guid = *guid;
1245 
1246     guidentry.hreftype = -1;
1247     guidentry.next_hash = -1;
1248 
1249     guidoffset = ctl2_alloc_guid(typelib, &guidentry);
1250     write_value(typelib, &data_out, vt, value);
1251 
1252     custoffset = ctl2_alloc_segment(typelib, MSFT_SEG_CUSTDATAGUID, 12, 0);
1253 
1254     custdata = (int *)&typelib->typelib_segment_data[MSFT_SEG_CUSTDATAGUID][custoffset];
1255     custdata[0] = guidoffset;
1256     custdata[1] = data_out;
1257     custdata[2] = *offset;
1258     *offset = custoffset;
1259 
1260     return S_OK;
1261 }
1262 
1263 static HRESULT add_func_desc(msft_typeinfo_t* typeinfo, const func_t *func, int index)
1264 {
1265     int offset, name_offset;
1266     int *typedata, typedata_size;
1267     int i, id, next_idx;
1268     int decoded_size, extra_attr = 0;
1269     int num_params = 0, num_optional = 0, num_defaults = 0;
1270     var_t *arg;
1271     char *namedata;
1272     const attr_t *attr;
1273     unsigned int funcflags = 0, callconv = 4 /* CC_STDCALL */;
1274     unsigned int funckind, invokekind = 1 /* INVOKE_FUNC */;
1275     int help_context = 0, help_string_context = 0, help_string_offset = -1;
1276     int entry = -1, entry_is_ord = 0;
1277 
1278     chat("add_func_desc(%p,%d)\n", typeinfo, index);
1279 
1280     id = ((0x6000 | (typeinfo->typeinfo->datatype2 & 0xffff)) << 16) | index;
1281 
1282     switch(typeinfo->typekind) {
1283     case TKIND_DISPATCH:
1284         funckind = 0x4; /* FUNC_DISPATCH */
1285         break;
1286     case TKIND_MODULE:
1287         funckind = 0x3; /* FUNC_STATIC */
1288         break;
1289     default:
1290         funckind = 0x1; /* FUNC_PUREVIRTUAL */
1291         break;
1292     }
1293 
1294     if (is_local( func->def->attrs )) {
1295         chat("add_func_desc: skipping local function\n");
1296         return S_FALSE;
1297     }
1298 
1299     if (func->args)
1300       LIST_FOR_EACH_ENTRY( arg, func->args, var_t, entry )
1301       {
1302         num_params++;
1303         if (arg->attrs) LIST_FOR_EACH_ENTRY( attr, arg->attrs, const attr_t, entry ) {
1304             if(attr->type == ATTR_DEFAULTVALUE)
1305                 num_defaults++;
1306             else if(attr->type == ATTR_OPTIONAL)
1307                 num_optional++;
1308         }
1309       }
1310 
1311     chat("add_func_desc: num of params %d\n", num_params);
1312 
1313     name_offset = ctl2_alloc_name(typeinfo->typelib, func->def->name);
1314 
1315     if (func->def->attrs) LIST_FOR_EACH_ENTRY( attr, func->def->attrs, const attr_t, entry ) {
1316         expr_t *expr = attr->u.pval;
1317         switch(attr->type) {
1318         case ATTR_BINDABLE:
1319             funcflags |= 0x4; /* FUNCFLAG_FBINDABLE */
1320             break;
1321         /* FIXME: FUNCFLAG_FDEFAULTBIND */
1322         case ATTR_DEFAULTCOLLELEM:
1323             funcflags |= 0x100; /* FUNCFLAG_FDEFAULTCOLLELEM */
1324             break;
1325         case ATTR_DISPLAYBIND:
1326             funcflags |= 0x10; /* FUNCFLAG_FDISPLAYBIND */
1327             break;
1328         case ATTR_ENTRY:
1329             extra_attr = max(extra_attr, 3);
1330             if (expr->type == EXPR_STRLIT || expr->type == EXPR_WSTRLIT)
1331               entry = ctl2_alloc_string(typeinfo->typelib, attr->u.pval);
1332             else {
1333               entry = expr->cval;
1334               entry_is_ord = 1;
1335             }
1336             break;
1337         case ATTR_HELPCONTEXT:
1338             extra_attr = max(extra_attr, 1);
1339             help_context = expr->u.lval;
1340             break;
1341         case ATTR_HELPSTRING:
1342             extra_attr = max(extra_attr, 2);
1343             help_string_offset = ctl2_alloc_string(typeinfo->typelib, attr->u.pval);
1344             break;
1345         case ATTR_HELPSTRINGCONTEXT:
1346             extra_attr = max(extra_attr, 6);
1347             help_string_context = expr->u.lval;
1348             break;
1349         case ATTR_HIDDEN:
1350             funcflags |= 0x40; /* FUNCFLAG_FHIDDEN */
1351             break;
1352         case ATTR_ID:
1353             id = expr->cval;
1354             break;
1355         case ATTR_IMMEDIATEBIND:
1356             funcflags |= 0x1000; /* FUNCFLAG_FIMMEDIATEBIND */
1357             break;
1358         case ATTR_NONBROWSABLE:
1359             funcflags |= 0x400; /* FUNCFLAG_FNONBROWSABLE */
1360             break;
1361         case ATTR_OUT:
1362             break;
1363         case ATTR_PROPGET:
1364             invokekind = 0x2; /* INVOKE_PROPERTYGET */
1365             break;
1366         case ATTR_PROPPUT:
1367             invokekind = 0x4; /* INVOKE_PROPERTYPUT */
1368             break;
1369         case ATTR_PROPPUTREF:
1370             invokekind = 0x8; /* INVOKE_PROPERTYPUTREF */
1371             break;
1372         /* FIXME: FUNCFLAG_FREPLACEABLE */
1373         case ATTR_REQUESTEDIT:
1374             funcflags |= 0x8; /* FUNCFLAG_FREQUESTEDIT */
1375             break;
1376         case ATTR_RESTRICTED:
1377             funcflags |= 0x1; /* FUNCFLAG_FRESTRICTED */
1378             break;
1379         case ATTR_SOURCE:
1380             funcflags |= 0x2; /* FUNCFLAG_FSOURCE */
1381             break;
1382         /* FIXME: FUNCFLAG_FUIDEFAULT */
1383         /* FIXME: FUNCFLAG_FUSESGETLASTERROR */
1384         case ATTR_VARARG:
1385             if (num_optional || num_defaults)
1386                 warning("add_func_desc: ignoring vararg in function with optional or defaultvalue params\n");
1387             else
1388                 num_optional = -1;
1389             break;
1390         default:
1391             break;
1392         }
1393     }
1394 
1395     /* allocate type data space for us */
1396     typedata_size = 0x18 + extra_attr * sizeof(int) + (num_params * (num_defaults ? 16 : 12));
1397 
1398     if (!typeinfo->func_data) {
1399         typeinfo->func_data = xmalloc(0x100);
1400         typeinfo->func_data_allocated = 0x100;
1401         typeinfo->func_data[0] = 0;
1402     }
1403 
1404     if(typeinfo->func_data[0] + typedata_size + sizeof(int) > typeinfo->func_data_allocated) {
1405         typeinfo->func_data_allocated = max(typeinfo->func_data_allocated * 2,
1406                                             typeinfo->func_data[0] + typedata_size + sizeof(int));
1407         typeinfo->func_data = xrealloc(typeinfo->func_data, typeinfo->func_data_allocated);
1408     }
1409 
1410     offset = typeinfo->func_data[0];
1411     typeinfo->func_data[0] += typedata_size;
1412     typedata = typeinfo->func_data + (offset >> 2) + 1;
1413 
1414 
1415     /* find func with the same name - if it exists use its id */
1416     for(i = 0; i < (typeinfo->typeinfo->cElement & 0xffff); i++) {
1417         if(name_offset == typeinfo->func_names[i]) {
1418             id = typeinfo->func_indices[i];
1419             break;
1420         }
1421     }
1422 
1423     /* find the first func with the same id and link via the hiword of typedata[4] */
1424     next_idx = index;
1425     for(i = 0; i < (typeinfo->typeinfo->cElement & 0xffff); i++) {
1426         if(id == typeinfo->func_indices[i]) {
1427             next_idx = typeinfo->func_data[(typeinfo->func_offsets[i] >> 2) + 1 + 4] >> 16;
1428             typeinfo->func_data[(typeinfo->func_offsets[i] >> 2) + 1 + 4] &= 0xffff;
1429             typeinfo->func_data[(typeinfo->func_offsets[i] >> 2) + 1 + 4] |= (index << 16);
1430             break;
1431         }
1432     }
1433 
1434     /* fill out the basic type information */
1435     typedata[0] = typedata_size | (index << 16);
1436     encode_var(typeinfo->typelib, get_func_return_type(func), func->def, &typedata[1], NULL, NULL, &decoded_size);
1437     typedata[2] = funcflags;
1438     typedata[3] = ((52 /*sizeof(FUNCDESC)*/ + decoded_size) << 16) | typeinfo->typeinfo->cbSizeVft;
1439     typedata[4] = (next_idx << 16) | (callconv << 8) | (invokekind << 3) | funckind;
1440     if(num_defaults) typedata[4] |= 0x1000;
1441     if(entry_is_ord) typedata[4] |= 0x2000;
1442     typedata[5] = (num_optional << 16) | num_params;
1443 
1444     /* NOTE: High word of typedata[3] is total size of FUNCDESC + size of all ELEMDESCs for params + TYPEDESCs for pointer params and return types. */
1445     /* That is, total memory allocation required to reconstitute the FUNCDESC in its entirety. */
1446     typedata[3] += (16 /*sizeof(ELEMDESC)*/ * num_params) << 16;
1447     typedata[3] += (24 /*sizeof(PARAMDESCEX)*/ * num_defaults) << 16;
1448 
1449     switch(extra_attr) {
1450     case 6: typedata[11] = help_string_context;
1451     case 5: typedata[10] = -1;
1452     case 4: typedata[9] = -1;
1453     case 3: typedata[8] = entry;
1454     case 2: typedata[7] = help_string_offset;
1455     case 1: typedata[6] = help_context;
1456     case 0:
1457         break;
1458     default:
1459         warning("unknown number of optional attrs\n");
1460     }
1461 
1462     if (func->args)
1463     {
1464       i = 0;
1465       LIST_FOR_EACH_ENTRY( arg, func->args, var_t, entry )
1466       {
1467         int paramflags = 0;
1468         int *paramdata = typedata + 6 + extra_attr + (num_defaults ? num_params : 0) + i * 3;
1469         int *defaultdata = num_defaults ? typedata + 6 + extra_attr + i : NULL;
1470 
1471         if(defaultdata) *defaultdata = -1;
1472 
1473         encode_var(typeinfo->typelib, arg->type, arg, paramdata, NULL, NULL, &decoded_size);
1474         if (arg->attrs) LIST_FOR_EACH_ENTRY( attr, arg->attrs, const attr_t, entry ) {
1475             switch(attr->type) {
1476             case ATTR_DEFAULTVALUE:
1477               {
1478                 int vt;
1479                 expr_t *expr = (expr_t *)attr->u.pval;
1480                 if (arg->type->type == RPC_FC_ENUM16)
1481                     vt = VT_INT;
1482                 else
1483                     vt = get_type_vt(arg->type);
1484                 paramflags |= 0x30; /* PARAMFLAG_FHASDEFAULT | PARAMFLAG_FOPT */
1485                 if (expr->type == EXPR_STRLIT || expr->type == EXPR_WSTRLIT)
1486                 {
1487                   if (vt != VT_BSTR) error("string default value applied to non-string type\n");
1488                   chat("default value '%s'\n", expr->u.sval);
1489                   write_value(typeinfo->typelib, defaultdata, vt, expr->u.sval);
1490                 }
1491                 else
1492                 {
1493                   chat("default value %ld\n", expr->cval);
1494                   write_value(typeinfo->typelib, defaultdata, vt, &expr->cval);
1495                 }
1496                 break;
1497               }
1498             case ATTR_IN:
1499                 paramflags |= 0x01; /* PARAMFLAG_FIN */
1500                 break;
1501             case ATTR_OPTIONAL:
1502                 paramflags |= 0x10; /* PARAMFLAG_FOPT */
1503                 break;
1504             case ATTR_OUT:
1505                 paramflags |= 0x02; /* PARAMFLAG_FOUT */
1506                 break;
1507             case ATTR_RETVAL:
1508                 paramflags |= 0x08; /* PARAMFLAG_FRETVAL */
1509                 typedata[4] |= 0x4000;
1510                 break;
1511             default:
1512                 chat("unhandled param attr %d\n", attr->type);
1513                 break;
1514             }
1515         }
1516         paramdata[1] = -1;
1517         paramdata[2] = paramflags;
1518         typedata[3] += decoded_size << 16;
1519         i++;
1520       }
1521     }
1522 
1523     if(typeinfo->funcs_allocated == 0) {
1524         typeinfo->funcs_allocated = 10;
1525         typeinfo->func_indices = xmalloc(typeinfo->funcs_allocated * sizeof(int));
1526         typeinfo->func_names   = xmalloc(typeinfo->funcs_allocated * sizeof(int));
1527         typeinfo->func_offsets = xmalloc(typeinfo->funcs_allocated * sizeof(int));
1528     }
1529     if(typeinfo->funcs_allocated == (typeinfo->typeinfo->cElement & 0xffff)) {
1530         typeinfo->funcs_allocated *= 2;
1531         typeinfo->func_indices = xrealloc(typeinfo->func_indices, typeinfo->funcs_allocated * sizeof(int));
1532         typeinfo->func_names   = xrealloc(typeinfo->func_names,   typeinfo->funcs_allocated * sizeof(int));
1533         typeinfo->func_offsets = xrealloc(typeinfo->func_offsets, typeinfo->funcs_allocated * sizeof(int));
1534     }
1535 
1536     /* update the index data */
1537     typeinfo->func_indices[typeinfo->typeinfo->cElement & 0xffff] = id; 
1538     typeinfo->func_offsets[typeinfo->typeinfo->cElement & 0xffff] = offset;
1539     typeinfo->func_names[typeinfo->typeinfo->cElement & 0xffff] = name_offset;
1540 
1541     /* ??? */
1542     if (!typeinfo->typeinfo->res2) typeinfo->typeinfo->res2 = 0x20;
1543     typeinfo->typeinfo->res2 <<= 1;
1544     /* ??? */
1545     if (index < 2) typeinfo->typeinfo->res2 += num_params << 4;
1546 
1547     if (typeinfo->typeinfo->res3 == -1) typeinfo->typeinfo->res3 = 0;
1548     typeinfo->typeinfo->res3 += 0x38 + num_params * 0x10;
1549     if(num_defaults) typeinfo->typeinfo->res3 += num_params * 0x4;
1550 
1551     /* adjust size of VTBL */
1552     if(funckind != 0x3 /* FUNC_STATIC */)
1553         typeinfo->typeinfo->cbSizeVft += 4;
1554 
1555     /* Increment the number of function elements */
1556     typeinfo->typeinfo->cElement += 1;
1557 
1558     namedata = typeinfo->typelib->typelib_segment_data[MSFT_SEG_NAME] + name_offset;
1559     if (*((INT *)namedata) == -1) {
1560         *((INT *)namedata) = typeinfo->typelib->typelib_typeinfo_offsets[typeinfo->typeinfo->typekind >> 16];
1561         if(typeinfo->typekind == TKIND_MODULE)
1562             namedata[9] |= 0x10;
1563     } else
1564         namedata[9] &= ~0x10;
1565 
1566     if(typeinfo->typekind == TKIND_MODULE)
1567         namedata[9] |= 0x20;
1568 
1569     if (func->args)
1570     {
1571         i = 0;
1572         LIST_FOR_EACH_ENTRY( arg, func->args, var_t, entry )
1573         {
1574             /* don't give the last arg of a [propput*] func a name */
1575             if(i != num_params - 1 || (invokekind != 0x4 /* INVOKE_PROPERTYPUT */ && invokekind != 0x8 /* INVOKE_PROPERTYPUTREF */))
1576             {
1577                 int *paramdata = typedata + 6 + extra_attr + (num_defaults ? num_params : 0) + i * 3;
1578                 offset = ctl2_alloc_name(typeinfo->typelib, arg->name);
1579                 paramdata[1] = offset;
1580             }
1581             i++;
1582         }
1583     }
1584     return S_OK;
1585 }
1586 
1587 static HRESULT add_var_desc(msft_typeinfo_t *typeinfo, UINT index, var_t* var)
1588 {
1589     int offset, id;
1590     unsigned int typedata_size;
1591     INT *typedata;
1592     int var_datawidth;
1593     int var_alignment;
1594     int var_type_size, var_kind = 0 /* VAR_PERINSTANCE */; 
1595     int alignment;
1596     int varflags = 0;
1597     const attr_t *attr;
1598     char *namedata;
1599     int var_num = (typeinfo->typeinfo->cElement >> 16) & 0xffff;
1600 
1601     chat("add_var_desc(%d, %s)\n", index, var->name);
1602 
1603     id = 0x40000000 + index;
1604 
1605     if (var->attrs) LIST_FOR_EACH_ENTRY( attr, var->attrs, const attr_t, entry ) {
1606         expr_t *expr = attr->u.pval;
1607         switch(attr->type) {
1608         case ATTR_BINDABLE:
1609             varflags |= 0x04; /* VARFLAG_FBINDABLE */
1610             break;
1611         /* FIXME: VARFLAG_FDEFAULTBIND */
1612         case ATTR_DEFAULTCOLLELEM:
1613             varflags |= 0x100; /* VARFLAG_FDEFAULTCOLLELEM */
1614             break;
1615         case ATTR_DISPLAYBIND:
1616             varflags |= 0x10; /* VARFLAG_FDISPLAYBIND */
1617             break;
1618         case ATTR_HIDDEN:
1619             varflags |= 0x40; /* VARFLAG_FHIDDEN */
1620             break;
1621         case ATTR_ID:
1622             id = expr->cval;
1623             break;
1624         case ATTR_IMMEDIATEBIND:
1625             varflags |= 0x1000; /* VARFLAG_FIMMEDIATEBIND */
1626             break;
1627         case ATTR_NONBROWSABLE:
1628             varflags |= 0x400; /* VARFLAG_FNONBROWSABLE */
1629             break;
1630         case ATTR_READONLY:
1631             varflags |= 0x01; /* VARFLAG_FREADONLY */
1632             break;
1633         /* FIXME: VARFLAG_FREPLACEABLE */
1634         case ATTR_REQUESTEDIT:
1635             varflags |= 0x08; /* VARFLAG_FREQUESTEDIT */
1636             break;
1637         case ATTR_RESTRICTED:
1638             varflags |= 0x80; /* VARFLAG_FRESTRICTED */
1639             break;
1640         case ATTR_SOURCE:
1641             varflags |= 0x02; /* VARFLAG_FSOURCE */
1642             break;
1643         /* FIXME: VARFLAG_FUIDEFAULT */
1644         default:
1645             break;
1646         }
1647     }
1648 
1649     /* allocate type data space for us */
1650     typedata_size = 0x14;
1651 
1652     if (!typeinfo->var_data) {
1653         typeinfo->var_data = xmalloc(0x100);
1654         typeinfo->var_data_allocated = 0x100;
1655         typeinfo->var_data[0] = 0;
1656     }
1657 
1658     if(typeinfo->var_data[0] + typedata_size + sizeof(int) > typeinfo->var_data_allocated) {
1659         typeinfo->var_data_allocated = max(typeinfo->var_data_allocated * 2,
1660                                             typeinfo->var_data[0] + typedata_size + sizeof(int));
1661         typeinfo->var_data = xrealloc(typeinfo->var_data, typeinfo->var_data_allocated);
1662     }
1663 
1664     offset = typeinfo->var_data[0];
1665     typeinfo->var_data[0] += typedata_size;
1666     typedata = typeinfo->var_data + (offset >> 2) + 1;
1667 
1668     /* fill out the basic type information */
1669     typedata[0] = typedata_size | (index << 16);
1670     typedata[2] = varflags;
1671     typedata[3] = (36 /*sizeof(VARDESC)*/ << 16) | 0;
1672 
1673     if(typeinfo->vars_allocated == 0) {
1674         typeinfo->vars_allocated = 10;
1675         typeinfo->var_indices = xmalloc(typeinfo->vars_allocated * sizeof(int));
1676         typeinfo->var_names   = xmalloc(typeinfo->vars_allocated * sizeof(int));
1677         typeinfo->var_offsets = xmalloc(typeinfo->vars_allocated * sizeof(int));
1678     }
1679     if(typeinfo->vars_allocated == var_num) {
1680         typeinfo->vars_allocated *= 2;
1681         typeinfo->var_indices = xrealloc(typeinfo->var_indices, typeinfo->vars_allocated * sizeof(int));
1682         typeinfo->var_names   = xrealloc(typeinfo->var_names,   typeinfo->vars_allocated * sizeof(int));
1683         typeinfo->var_offsets = xrealloc(typeinfo->var_offsets, typeinfo->vars_allocated * sizeof(int));
1684     }
1685     /* update the index data */
1686     typeinfo->var_indices[var_num] = id;
1687     typeinfo->var_names[var_num] = -1;
1688     typeinfo->var_offsets[var_num] = offset;
1689 
1690     /* figure out type widths and whatnot */
1691     encode_var(typeinfo->typelib, var->type, var, &typedata[1], &var_datawidth,
1692                &var_alignment, &var_type_size);
1693 
1694     /* pad out starting position to data width */
1695     typeinfo->datawidth += var_alignment - 1;
1696     typeinfo->datawidth &= ~(var_alignment - 1);
1697 
1698     switch(typeinfo->typekind) {
1699     case TKIND_ENUM:
1700         write_value(typeinfo->typelib, &typedata[4], VT_I4, &var->eval->cval);
1701         var_kind = 2; /* VAR_CONST */
1702         var_type_size += 16; /* sizeof(VARIANT) */
1703         typeinfo->datawidth = var_datawidth;
1704         break;
1705     case TKIND_RECORD:
1706         typedata[4] = typeinfo->datawidth;
1707         typeinfo->datawidth += var_datawidth;
1708         break;
1709     case TKIND_DISPATCH:
1710         var_kind = 3; /* VAR_DISPATCH */
1711         typeinfo->datawidth = 4;
1712         var_alignment = 4;
1713         break;
1714     default:
1715         error("add_var_desc: unhandled type kind %d\n", typeinfo->typekind);
1716         break;
1717     }
1718 
1719     /* add type description size to total required allocation */
1720     typedata[3] += var_type_size << 16 | var_kind;
1721 
1722     /* fix type alignment */
1723     alignment = (typeinfo->typeinfo->typekind >> 11) & 0x1f;
1724     if (alignment < var_alignment) {
1725         alignment = var_alignment;
1726         typeinfo->typeinfo->typekind &= ~0xffc0;
1727         typeinfo->typeinfo->typekind |= alignment << 11 | alignment << 6;
1728     }
1729 
1730     /* ??? */
1731     if (!typeinfo->typeinfo->res2) typeinfo->typeinfo->res2 = 0x1a;
1732     if ((index == 0) || (index == 1) || (index == 2) || (index == 4) || (index == 9)) {
1733         typeinfo->typeinfo->res2 <<= 1;
1734     }
1735 
1736     /* ??? */
1737     if (typeinfo->typeinfo->res3 == -1) typeinfo->typeinfo->res3 = 0;
1738     typeinfo->typeinfo->res3 += 0x2c;
1739 
1740     /* increment the number of variable elements */
1741     typeinfo->typeinfo->cElement += 0x10000;
1742 
1743     /* pad data width to alignment */
1744     typeinfo->typeinfo->size = (typeinfo->datawidth + (alignment - 1)) & ~(alignment - 1);
1745 
1746     offset = ctl2_alloc_name(typeinfo->typelib, var->name);
1747     if (offset == -1) return E_OUTOFMEMORY;
1748 
1749     namedata = typeinfo->typelib->typelib_segment_data[MSFT_SEG_NAME] + offset;
1750     if (*((INT *)namedata) == -1) {
1751         *((INT *)namedata) = typeinfo->typelib->typelib_typeinfo_offsets[typeinfo->typeinfo->typekind >> 16];
1752         if(typeinfo->typekind != TKIND_DISPATCH)
1753             namedata[9] |= 0x10;
1754     } else
1755         namedata[9] &= ~0x10;
1756 
1757     if (typeinfo->typekind == TKIND_ENUM) {
1758         namedata[9] |= 0x20;
1759     }
1760     typeinfo->var_names[var_num] = offset;
1761 
1762     return S_OK;
1763 }
1764 
1765 static HRESULT add_impl_type(msft_typeinfo_t *typeinfo, type_t *ref, importinfo_t *importinfo)
1766 {
1767     if(importinfo) {
1768         alloc_importinfo(typeinfo->typelib, importinfo);
1769         typeinfo->typeinfo->datatype1 = importinfo->offset+1;
1770     }else {
1771         if(ref->typelib_idx == -1)
1772             add_interface_typeinfo(typeinfo->typelib, ref);
1773         if(ref->typelib_idx == -1)
1774             error("add_impl_type: unable to add inherited interface\n");
1775 
1776         typeinfo->typeinfo->datatype1 = typeinfo->typelib->typelib_typeinfo_offsets[ref->typelib_idx];
1777     }
1778 
1779     typeinfo->typeinfo->cImplTypes++;
1780     return S_OK;
1781 }
1782 
1783 static msft_typeinfo_t *create_msft_typeinfo(msft_typelib_t *typelib, enum type_kind kind,
1784                                              const char *name, const attr_list_t *attrs)
1785 {
1786     const attr_t *attr;
1787     msft_typeinfo_t *msft_typeinfo;
1788     int nameoffset;
1789     int typeinfo_offset;
1790     MSFT_TypeInfoBase *typeinfo;
1791     MSFT_GuidEntry guidentry;
1792 
1793     chat("create_msft_typeinfo: name %s kind %d\n", name, kind);
1794 
1795     msft_typeinfo = xmalloc(sizeof(*msft_typeinfo));
1796     memset( msft_typeinfo, 0, sizeof(*msft_typeinfo) );
1797 
1798     msft_typeinfo->typelib = typelib;
1799 
1800     nameoffset = ctl2_alloc_name(typelib, name);
1801     typeinfo_offset = ctl2_alloc_typeinfo(typelib, nameoffset);
1802     typeinfo = (MSFT_TypeInfoBase *)&typelib->typelib_segment_data[MSFT_SEG_TYPEINFO][typeinfo_offset];
1803 
1804     typelib->typelib_segment_data[MSFT_SEG_NAME][nameoffset + 9] = 0x38;
1805     *((int *)&typelib->typelib_segment_data[MSFT_SEG_NAME][nameoffset]) = typeinfo_offset;
1806 
1807     msft_typeinfo->typekind = kind;
1808     msft_typeinfo->typeinfo = typeinfo;
1809 
1810     typeinfo->typekind |= kind | 0x20;
1811 
1812     if(kind == TKIND_COCLASS)
1813         typeinfo->flags |= 0x2; /* TYPEFLAG_FCANCREATE */
1814 
1815     if (attrs) LIST_FOR_EACH_ENTRY( attr, attrs, const attr_t, entry ) {
1816         switch(attr->type) {
1817         case ATTR_AGGREGATABLE:
1818             if (kind == TKIND_COCLASS)
1819                 typeinfo->flags |= 0x400; /* TYPEFLAG_FAGGREGATABLE */
1820             break;
1821 
1822         case ATTR_APPOBJECT:
1823             if (kind == TKIND_COCLASS)
1824                 typeinfo->flags |= 0x1; /* TYPEFLAG_FAPPOBJECT */
1825             break;
1826 
1827         case ATTR_CONTROL:
1828             if (kind == TKIND_COCLASS)
1829                 typeinfo->flags |= 0x20; /* TYPEFLAG_FCONTROL */
1830             break;
1831 
1832         case ATTR_DLLNAME:
1833           {
1834             int offset = ctl2_alloc_string(typelib, attr->u.pval);
1835             typeinfo->datatype1 = offset;
1836             break;
1837           }
1838 
1839         case ATTR_DUAL:
1840             /* FIXME: check interface is compatible */
1841             typeinfo->typekind = (typeinfo->typekind & ~0xff) | 0x34;
1842             typeinfo->flags |= 0x140; /* TYPEFLAG_FDUAL | TYPEFLAG_FOLEAUTOMATION */
1843             break;
1844 
1845         case ATTR_HELPCONTEXT:
1846           {
1847             expr_t *expr = (expr_t*)attr->u.pval;
1848             typeinfo->helpcontext = expr->cval;
1849             break;
1850           }
1851         case ATTR_HELPSTRING:
1852           {
1853             int offset = ctl2_alloc_string(typelib, attr->u.pval);
1854             if (offset == -1) break;
1855             typeinfo->docstringoffs = offset;
1856             break;
1857           }
1858         case ATTR_HELPSTRINGCONTEXT:
1859           {
1860             expr_t *expr = (expr_t*)attr->u.pval;
1861             typeinfo->helpstringcontext = expr->cval;
1862             break;
1863           }
1864         case ATTR_HIDDEN:
1865             typeinfo->flags |= 0x10; /* TYPEFLAG_FHIDDEN */
1866             break;
1867 
1868         /* FIXME: TYPEFLAG_FLICENSED */
1869 
1870         case ATTR_NONCREATABLE:
1871             typeinfo->flags &= ~0x2; /* TYPEFLAG_FCANCREATE */
1872             break;
1873 
1874         case ATTR_NONEXTENSIBLE:
1875             typeinfo->flags |= 0x80; /* TYPEFLAG_FNONEXTENSIBLE */
1876             break;
1877 
1878         case ATTR_OLEAUTOMATION:
1879             typeinfo->flags |= 0x100; /* TYPEFLAG_FOLEAUTOMATION */
1880             break;
1881 
1882         /* FIXME: TYPEFLAG_FPREDCLID */
1883 
1884         /* FIXME: TYPEFLAG_FPROXY */
1885 
1886         /* FIXME: TYPEFLAG_FREPLACEABLE */
1887 
1888         case ATTR_RESTRICTED:
1889             typeinfo->flags |= 0x200; /* TYPEFLAG_FRESTRICTED */
1890             break;
1891 
1892         case ATTR_UUID:
1893             guidentry.guid = *(GUID*)attr->u.pval;
1894             guidentry.hreftype = typelib->typelib_typeinfo_offsets[typeinfo->typekind >> 16];
1895             guidentry.next_hash = -1;
1896             typeinfo->posguid = ctl2_alloc_guid(typelib, &guidentry);
1897 #if 0
1898             if (IsEqualIID(guid, &IID_IDispatch)) {
1899                 typelib->typelib_header.dispatchpos = typelib->typelib_typeinfo_offsets[typeinfo->typekind >> 16];
1900             }
1901 #endif
1902             break;
1903 
1904         case ATTR_VERSION:
1905             typeinfo->version = attr->u.ival;
1906             break;
1907 
1908         default:
1909             break;
1910         }
1911     }
1912 
1913     if (typelib->last_typeinfo) typelib->last_typeinfo->next_typeinfo = msft_typeinfo;
1914     typelib->last_typeinfo = msft_typeinfo;
1915     if (!typelib->typeinfos) typelib->typeinfos = msft_typeinfo;
1916 
1917 
1918     return msft_typeinfo;
1919 }
1920 
1921 static void add_dispatch(msft_typelib_t *typelib)
1922 {
1923     int guid_offset, impfile_offset;
1924     MSFT_GuidEntry guidentry;
1925     MSFT_ImpInfo impinfo;
1926     GUID stdole =        {0x00020430,0x0000,0x0000,{0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}};
1927     GUID iid_idispatch = {0x00020400,0x0000,0x0000,{0xc0,0x00,0x00,0x00,0x00,0x00,0x00,0x46}};
1928 
1929     if(typelib->typelib_header.dispatchpos != -1) return;
1930 
1931     guidentry.guid = stdole;
1932     guidentry.hreftype = 2;
1933     guidentry.next_hash = -1;
1934     guid_offset = ctl2_alloc_guid(typelib, &guidentry);
1935     impfile_offset = alloc_importfile(typelib, guid_offset, 2, 0, "stdole2.tlb");
1936 
1937     guidentry.guid = iid_idispatch;
1938     guidentry.hreftype = 1;
1939     guidentry.next_hash = -1;
1940     impinfo.flags = TKIND_INTERFACE << 24 | MSFT_IMPINFO_OFFSET_IS_GUID;
1941     impinfo.oImpFile = impfile_offset;
1942     impinfo.oGuid = ctl2_alloc_guid(typelib, &guidentry);
1943     typelib->typelib_header.dispatchpos = alloc_msft_importinfo(typelib, &impinfo) | 0x01;
1944 }
1945 
1946 static void add_dispinterface_typeinfo(msft_typelib_t *typelib, type_t *dispinterface)
1947 {
1948     int idx = 0;
1949     const func_t *func;
1950     var_t *var;
1951     msft_typeinfo_t *msft_typeinfo;
1952 
1953     if (-1 < dispinterface->typelib_idx)
1954         return;
1955 
1956     dispinterface->typelib_idx = typelib->typelib_header.nrtypeinfos;
1957     msft_typeinfo = create_msft_typeinfo(typelib, TKIND_DISPATCH, dispinterface->name,
1958                                          dispinterface->attrs);
1959 
1960     msft_typeinfo->typeinfo->size = 4;
1961     msft_typeinfo->typeinfo->typekind |= 0x2100;
1962 
1963     msft_typeinfo->typeinfo->flags |= 0x1000; /* TYPEFLAG_FDISPATCHABLE */
1964     add_dispatch(typelib);
1965     msft_typeinfo->typeinfo->cImplTypes = 1;
1966 
1967     /* count the no of funcs, as the variable indices come after the funcs */
1968     if (dispinterface->funcs)
1969         LIST_FOR_EACH_ENTRY( func, dispinterface->funcs, const func_t, entry ) idx++;
1970 
1971     if (dispinterface->fields_or_args)
1972         LIST_FOR_EACH_ENTRY( var, dispinterface->fields_or_args, var_t, entry )
1973             add_var_desc(msft_typeinfo, idx++, var);
1974 
1975     if (dispinterface->funcs)
1976     {
1977         idx = 0;
1978         LIST_FOR_EACH_ENTRY( func, dispinterface->funcs, const func_t, entry )
1979             if(add_func_desc(msft_typeinfo, func, idx) == S_OK)
1980                 idx++;
1981     }
1982 }
1983 
1984 static void add_interface_typeinfo(msft_typelib_t *typelib, type_t *interface)
1985 {
1986     int idx = 0;
1987     const func_t *func;
1988     type_t *ref;
1989     msft_typeinfo_t *msft_typeinfo;
1990     importinfo_t *ref_importinfo = NULL;
1991     int num_parents = 0, num_funcs = 0;
1992     const type_t *derived;
1993 
1994     if (-1 < interface->typelib_idx)
1995         return;
1996 
1997     if (is_attr(interface->attrs, ATTR_DISPINTERFACE))
1998         return add_dispinterface_typeinfo(typelib, interface);
1999 
2000     /* midl adds the parent interface first, unless the parent itself
2001        has no parent (i.e. it stops before IUnknown). */
2002 
2003     if(interface->ref) {
2004         ref_importinfo = find_importinfo(typelib, interface->ref->name);
2005 
2006         if(!ref_importinfo && interface->ref->ref && interface->ref->typelib_idx == -1)
2007             add_interface_typeinfo(typelib, interface->ref);
2008     }
2009 
2010     interface->typelib_idx = typelib->typelib_header.nrtypeinfos;
2011     msft_typeinfo = create_msft_typeinfo(typelib, TKIND_INTERFACE, interface->name, interface->attrs);
2012     msft_typeinfo->typeinfo->size = 4;
2013     msft_typeinfo->typeinfo->typekind |= 0x2200;
2014 
2015     for (derived = interface->ref; derived; derived = derived->ref)
2016         if (derived->name && !strcmp(derived->name, "IDispatch"))
2017             msft_typeinfo->typeinfo->flags |= 0x1000; /* TYPEFLAG_FDISPATCHABLE */
2018 
2019     /* can't be dual if it doesn't derive from IDispatch */
2020     if (!(msft_typeinfo->typeinfo->flags & 0x1000)) /* TYPEFLAG_FDISPATCHABLE */
2021         msft_typeinfo->typeinfo->flags &= ~0x40; /* TYPEFLAG_FDUAL */
2022 
2023     if(interface->ref)
2024         add_impl_type(msft_typeinfo, interface->ref, ref_importinfo);
2025 
2026     /* count the number of inherited interfaces and non-local functions */
2027     for(ref = interface->ref; ref; ref = ref->ref) {
2028         num_parents++;
2029         if (ref->funcs)
2030             LIST_FOR_EACH_ENTRY( func, ref->funcs, const func_t, entry )
2031                 if (!is_local(func->def->attrs)) num_funcs++;
2032     }
2033     msft_typeinfo->typeinfo->datatype2 = num_funcs << 16 | num_parents;
2034     msft_typeinfo->typeinfo->cbSizeVft = num_funcs * 4;
2035 
2036     if (interface->funcs)
2037         LIST_FOR_EACH_ENTRY( func, interface->funcs, const func_t, entry )
2038             if(add_func_desc(msft_typeinfo, func, idx) == S_OK)
2039                 idx++;
2040 }
2041 
2042 static void add_structure_typeinfo(msft_typelib_t *typelib, type_t *structure)
2043 {
2044     int idx = 0;
2045     var_t *cur;
2046     msft_typeinfo_t *msft_typeinfo;
2047 
2048     if (-1 < structure->typelib_idx)
2049         return;
2050 
2051     structure->typelib_idx = typelib->typelib_header.nrtypeinfos;
2052     msft_typeinfo = create_msft_typeinfo(typelib, TKIND_RECORD, structure->name, structure->attrs);
2053     msft_typeinfo->typeinfo->size = 0;
2054 
2055     if (structure->fields_or_args)
2056         LIST_FOR_EACH_ENTRY( cur, structure->fields_or_args, var_t, entry )
2057             add_var_desc(msft_typeinfo, idx++, cur);
2058 }
2059 
2060 static void add_enum_typeinfo(msft_typelib_t *typelib, type_t *enumeration)
2061 {
2062     int idx = 0;
2063     var_t *cur;
2064     msft_typeinfo_t *msft_typeinfo;
2065 
2066     enumeration->typelib_idx = typelib->typelib_header.nrtypeinfos;
2067     msft_typeinfo = create_msft_typeinfo(typelib, TKIND_ENUM, enumeration->name, enumeration->attrs);
2068     msft_typeinfo->typeinfo->size = 0;
2069 
2070     if (enumeration->fields_or_args)
2071         LIST_FOR_EACH_ENTRY( cur, enumeration->fields_or_args, var_t, entry )
2072             add_var_desc(msft_typeinfo, idx++, cur);
2073 }
2074 
2075 static void add_typedef_typeinfo(msft_typelib_t *typelib, type_t *tdef)
2076 {
2077     msft_typeinfo_t *msft_typeinfo;
2078     int alignment;
2079 
2080     if (-1 < tdef->typelib_idx)
2081         return;
2082 
2083     tdef->typelib_idx = typelib->typelib_header.nrtypeinfos;
2084     msft_typeinfo = create_msft_typeinfo(typelib, TKIND_ALIAS, tdef->name, tdef->attrs);
2085     encode_type(typelib, get_type_vt(tdef->orig), tdef->orig, &msft_typeinfo->typeinfo->datatype1, &msft_typeinfo->typeinfo->size,
2086                &alignment, &msft_typeinfo->typeinfo->datatype2);
2087     msft_typeinfo->typeinfo->typekind |= (alignment << 11 | alignment << 6);
2088 }
2089 
2090 static void add_coclass_typeinfo(msft_typelib_t *typelib, type_t *cls)
2091 {
2092     msft_typeinfo_t *msft_typeinfo;
2093     ifref_t *iref;
2094     int num_ifaces = 0, offset, i;
2095     MSFT_RefRecord *ref, *first = NULL, *first_source = NULL;
2096     int have_default = 0, have_default_source = 0;
2097     const attr_t *attr;
2098 
2099     if (-1 < cls->typelib_idx)
2100         return;
2101 
2102     cls->typelib_idx = typelib->typelib_header.nrtypeinfos;
2103     msft_typeinfo = create_msft_typeinfo(typelib, TKIND_COCLASS, cls->name, cls->attrs);
2104 
2105     if (cls->ifaces) LIST_FOR_EACH_ENTRY( iref, cls->ifaces, ifref_t, entry ) num_ifaces++;
2106 
2107     offset = msft_typeinfo->typeinfo->datatype1 = ctl2_alloc_segment(typelib, MSFT_SEG_REFERENCES,
2108                                                                      num_ifaces * sizeof(*ref), 0);
2109 
2110     i = 0;
2111     if (cls->ifaces) LIST_FOR_EACH_ENTRY( iref, cls->ifaces, ifref_t, entry ) {
2112         if(iref->iface->typelib_idx == -1)
2113             add_interface_typeinfo(typelib, iref->iface);
2114         ref = (MSFT_RefRecord*) (typelib->typelib_segment_data[MSFT_SEG_REFERENCES] + offset + i * sizeof(*ref));
2115         ref->reftype = typelib->typelib_typeinfo_offsets[iref->iface->typelib_idx];
2116         ref->flags = 0;
2117         ref->oCustData = -1;
2118         ref->onext = -1;
2119         if(i < num_ifaces - 1)
2120             ref->onext = offset + (i + 1) * sizeof(*ref);
2121 
2122         if (iref->attrs) LIST_FOR_EACH_ENTRY( attr, iref->attrs, const attr_t, entry ) {
2123             switch(attr->type) {
2124             case ATTR_DEFAULT:
2125                 ref->flags |= 0x1; /* IMPLTYPEFLAG_FDEFAULT */
2126                 break;
2127             case ATTR_DEFAULTVTABLE:
2128                 ref->flags |= 0x8; /* IMPLTYPEFLAG_FDEFAULTVTABLE */
2129                 break;
2130             case ATTR_RESTRICTED:
2131                 ref->flags |= 0x4; /* IMPLTYPEFLAG_FRESTRICTED */
2132                 break;
2133             case ATTR_SOURCE:
2134                 ref->flags |= 0x2; /* IMPLTYPEFLAG_FSOURCE */
2135                 break;
2136             default:
2137                 warning("add_coclass_typeinfo: unhandled attr %d\n", attr->type);
2138             }
2139         }
2140         if(ref->flags & 0x1) { /* IMPLTYPEFLAG_FDEFAULT */
2141             if(ref->flags & 0x2) /* IMPLTYPEFLAG_SOURCE */
2142                 have_default_source = 1;
2143             else
2144                 have_default = 1;
2145         }
2146 
2147         /* If the interface is non-restricted and we haven't already had one then
2148            remember it so that we can use it as a default later */
2149         if((ref->flags & 0x4) == 0) { /* IMPLTYPEFLAG_FRESTRICTED */
2150             if(ref->flags & 0x2) { /* IMPLTYPEFLAG_FSOURCE */
2151                 if(!first_source)
2152                     first_source = ref;
2153             }
2154             else if(!first)
2155                 first = ref;
2156         }
2157         i++;
2158     }
2159 
2160     /* If we haven't had a default interface, then set the default flags on the
2161        first ones */
2162     if(!have_default && first)
2163         first->flags |= 0x1;
2164     if(!have_default_source && first_source)
2165         first_source->flags |= 0x1;
2166 
2167     msft_typeinfo->typeinfo->cImplTypes = num_ifaces;
2168     msft_typeinfo->typeinfo->size = 4;
2169     msft_typeinfo->typeinfo->typekind |= 0x2200;
2170 }
2171 
2172 static void add_module_typeinfo(msft_typelib_t *typelib, type_t *module)
2173 {
2174     int idx = 0;
2175     const func_t *func;
2176     msft_typeinfo_t *msft_typeinfo;
2177 
2178     if (-1 < module->typelib_idx)
2179         return;
2180 
2181     module->typelib_idx = typelib->typelib_header.nrtypeinfos;
2182     msft_typeinfo = create_msft_typeinfo(typelib, TKIND_MODULE, module->name, module->attrs);
2183     msft_typeinfo->typeinfo->typekind |= 0x0a00;
2184 
2185     if (module->funcs)
2186         LIST_FOR_EACH_ENTRY( func, module->funcs, const func_t, entry )
2187             if(add_func_desc(msft_typeinfo, func, idx) == S_OK)
2188                 idx++;
2189 
2190     msft_typeinfo->typeinfo->size = idx;
2191 }
2192 
2193 static void add_entry(msft_typelib_t *typelib, typelib_entry_t *entry)
2194 {
2195     switch(entry->type->kind) {
2196     case TKIND_INTERFACE:
2197     case TKIND_DISPATCH:
2198         add_interface_typeinfo(typelib, entry->type);
2199         break;
2200 
2201     case TKIND_RECORD:
2202         add_structure_typeinfo(typelib, entry->type);
2203         break;
2204 
2205     case TKIND_ENUM:
2206         add_enum_typeinfo(typelib, entry->type);
2207         break;
2208 
2209     case TKIND_ALIAS:
2210         add_typedef_typeinfo(typelib, entry->type);
2211         break;
2212 
2213     case TKIND_COCLASS:
2214         add_coclass_typeinfo(typelib, entry->type);
2215         break;
2216 
2217     case TKIND_MODULE:
2218         add_module_typeinfo(typelib, entry->type);
2219         break;
2220 
2221     default:
2222         error("add_entry: unhandled type %d\n", entry->type->kind);
2223         break;
2224     }
2225 }
2226 
2227 static void set_name(msft_typelib_t *typelib)
2228 {
2229     int offset;
2230 
2231     offset = ctl2_alloc_name(typelib, typelib->typelib->name);
2232     if (offset == -1) return;
2233     typelib->typelib_header.NameOffset = offset;
2234     return;
2235 }
2236 
2237 static void set_version(msft_typelib_t *typelib)
2238 {
2239     typelib->typelib_header.version = get_attrv( typelib->typelib->attrs, ATTR_VERSION );
2240 }
2241 
2242 static void set_guid(msft_typelib_t *typelib)
2243 {
2244     MSFT_GuidEntry guidentry;
2245     int offset;
2246     void *ptr;
2247     GUID guid = {0,0,0,{0,0,0,0,0,0}};
2248 
2249     guidentry.guid = guid;
2250     guidentry.hreftype = -2;
2251     guidentry.next_hash = -1;
2252 
2253     ptr = get_attrp( typelib->typelib->attrs, ATTR_UUID );
2254     if (ptr) guidentry.guid = *(GUID *)ptr;
2255 
2256     offset = ctl2_alloc_guid(typelib, &guidentry);
2257     typelib->typelib_header.posguid = offset;
2258 
2259     return;
2260 }
2261 
2262 static void set_doc_string(msft_typelib_t *typelib)
2263 {
2264     char *str = get_attrp( typelib->typelib->attrs, ATTR_HELPSTRING );
2265 
2266     if (str)
2267     {
2268         int offset = ctl2_alloc_string(typelib, str);
2269         if (offset != -1) typelib->typelib_header.helpstring = offset;
2270     }
2271 }
2272 
2273 static void set_help_file_name(msft_typelib_t *typelib)
2274 {
2275     char *str = get_attrp( typelib->typelib->attrs, ATTR_HELPFILE );
2276 
2277     if (str)
2278     {
2279         int offset = ctl2_alloc_string(typelib, str);
2280         if (offset != -1)
2281         {
2282             typelib->typelib_header.helpfile = offset;
2283             typelib->typelib_header.varflags |= 0x10;
2284         }
2285     }
2286 }
2287 
2288 static void set_help_context(msft_typelib_t *typelib)
2289 {
2290     const expr_t *expr = get_attrp( typelib->typelib->attrs, ATTR_HELPCONTEXT );
2291     if (expr) typelib->typelib_header.helpcontext = expr->cval;
2292 }
2293 
2294 static void set_help_string_dll(msft_typelib_t *typelib)
2295 {
2296     char *str = get_attrp( typelib->typelib->attrs, ATTR_HELPSTRINGDLL );
2297 
2298     if (str)
2299     {
2300         int offset = ctl2_alloc_string(typelib, str);
2301         if (offset != -1)
2302         {
2303             typelib->help_string_dll_offset = offset;
2304             typelib->typelib_header.varflags |= 0x100;
2305         }
2306     }
2307 }
2308 
2309 static void set_help_string_context(msft_typelib_t *typelib)
2310 {
2311     const expr_t *expr = get_attrp( typelib->typelib->attrs, ATTR_HELPSTRINGCONTEXT );
2312     if (expr) typelib->typelib_header.helpstringcontext = expr->cval;
2313 }
2314 
2315 static void set_lcid(msft_typelib_t *typelib)
2316 {
2317     const expr_t *lcid_expr = get_attrp( typelib->typelib->attrs, ATTR_LIBLCID );
2318     typelib->typelib_header.lcid2 = lcid_expr ? lcid_expr->cval : 0x0;
2319 }
2320 
2321 static void set_lib_flags(msft_typelib_t *typelib)
2322 {
2323     const attr_t *attr;
2324 
2325     typelib->typelib_header.flags = 0;
2326     if (!typelib->typelib->attrs) return;
2327     LIST_FOR_EACH_ENTRY( attr, typelib->typelib->attrs, const attr_t, entry )
2328     {
2329         switch(attr->type) {
2330         case ATTR_CONTROL:
2331             typelib->typelib_header.flags |= 0x02; /* LIBFLAG_FCONTROL */
2332             break;
2333         case ATTR_HIDDEN:
2334             typelib->typelib_header.flags |= 0x04; /* LIBFLAG_FHIDDEN */
2335             break;
2336         case ATTR_RESTRICTED:
2337             typelib->typelib_header.flags |= 0x01; /* LIBFLAG_FRESTRICTED */
2338             break;
2339         default:
2340             break;
2341         }
2342     }
2343     return;
2344 }
2345 
2346 static int ctl2_write_chunk(int fd, void *segment, int length)
2347 {
2348     if (write(fd, segment, length) != length) {
2349         close(fd);
2350         return 0;
2351     }
2352     return -1;
2353 }
2354 
2355 static int ctl2_write_segment(msft_typelib_t *typelib, int fd, int segment)
2356 {
2357     if (write(fd, typelib->typelib_segment_data[segment], typelib->typelib_segdir[segment].length)
2358         != typelib->typelib_segdir[segment].length) {
2359         close(fd);
2360         return 0;
2361     }
2362 
2363     return -1;
2364 }
2365 
2366 static void ctl2_finalize_typeinfos(msft_typelib_t *typelib, int filesize)
2367 {
2368     msft_typeinfo_t *typeinfo;
2369 
2370     for (typeinfo = typelib->typeinfos; typeinfo; typeinfo = typeinfo->next_typeinfo) {
2371         typeinfo->typeinfo->memoffset = filesize;
2372         if (typeinfo->func_data)
2373             filesize += typeinfo->func_data[0] + ((typeinfo->typeinfo->cElement & 0xffff) * 12);
2374         if (typeinfo->var_data)
2375             filesize += typeinfo->var_data[0] + (((typeinfo->typeinfo->cElement >> 16) & 0xffff) * 12);
2376         if (typeinfo->func_data || typeinfo->var_data)
2377             filesize += 4;
2378     }
2379 }
2380 
2381 static int ctl2_finalize_segment(msft_typelib_t *typelib, int filepos, int segment)
2382 {
2383     if (typelib->typelib_segdir[segment].length) {
2384         typelib->typelib_segdir[segment].offset = filepos;
2385     } else {
2386         typelib->typelib_segdir[segment].offset = -1;
2387     }
2388 
2389     return typelib->typelib_segdir[segment].length;
2390 }
2391 
2392 
2393 static void ctl2_write_typeinfos(msft_typelib_t *typelib, int fd)
2394 {
2395     msft_typeinfo_t *typeinfo;
2396     int typedata_size;
2397 
2398     for (typeinfo = typelib->typeinfos; typeinfo; typeinfo = typeinfo->next_typeinfo) {
2399         if (!typeinfo->func_data && !typeinfo->var_data) continue;
2400         typedata_size = 0;
2401         if (typeinfo->func_data)
2402             typedata_size = typeinfo->func_data[0];
2403         if (typeinfo->var_data)
2404             typedata_size += typeinfo->var_data[0];
2405         ctl2_write_chunk(fd, &typedata_size, sizeof(int));
2406         if (typeinfo->func_data)
2407             ctl2_write_chunk(fd, typeinfo->func_data + 1, typeinfo->func_data[0]);
2408         if (typeinfo->var_data)
2409             ctl2_write_chunk(fd, typeinfo->var_data + 1, typeinfo->var_data[0]);
2410         if (typeinfo->func_indices)
2411             ctl2_write_chunk(fd, typeinfo->func_indices, (typeinfo->typeinfo->cElement & 0xffff) * 4);
2412         if (typeinfo->var_indices)
2413             ctl2_write_chunk(fd, typeinfo->var_indices, (typeinfo->typeinfo->cElement >> 16) * 4);
2414         if (typeinfo->func_names)
2415             ctl2_write_chunk(fd, typeinfo->func_names,   (typeinfo->typeinfo->cElement & 0xffff) * 4);
2416         if (typeinfo->var_names)
2417             ctl2_write_chunk(fd, typeinfo->var_names,   (typeinfo->typeinfo->cElement >> 16) * 4); 
2418         if (typeinfo->func_offsets)
2419             ctl2_write_chunk(fd, typeinfo->func_offsets, (typeinfo->typeinfo->cElement & 0xffff) * 4);
2420         if (typeinfo->var_offsets) {
2421             int add = 0, i, offset;
2422             if(typeinfo->func_data)
2423                 add = typeinfo->func_data[0];
2424             for(i = 0; i < (typeinfo->typeinfo->cElement >> 16); i++) {
2425                 offset = typeinfo->var_offsets[i];
2426                 offset += add;
2427                 ctl2_write_chunk(fd, &offset, 4);
2428             }
2429         }
2430     }
2431 }
2432 
2433 static int save_all_changes(msft_typelib_t *typelib)
2434 {
2435     int retval;
2436     int filepos;
2437     int fd;
2438 
2439     chat("save_all_changes(%p)\n", typelib);
2440 
2441     retval = TYPE_E_IOERROR;
2442 
2443     fd = open(typelib->typelib->filename, O_CREAT | O_WRONLY | O_TRUNC | O_BINARY, 0666);
2444     if (fd == -1) return retval;
2445 
2446     filepos = sizeof(MSFT_Header) + sizeof(MSFT_SegDir);
2447     if(typelib->typelib_header.varflags & 0x100) filepos += 4; /* helpstringdll */
2448     filepos += typelib->typelib_header.nrtypeinfos * 4;
2449 
2450     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_TYPEINFO);
2451     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_GUIDHASH);
2452     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_GUID);
2453     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_REFERENCES);
2454     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_IMPORTINFO);
2455     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_IMPORTFILES);
2456     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_NAMEHASH);
2457     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_NAME);
2458     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_STRING);
2459     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_TYPEDESC);
2460     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_ARRAYDESC);
2461     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_CUSTDATA);
2462     filepos += ctl2_finalize_segment(typelib, filepos, MSFT_SEG_CUSTDATAGUID);
2463 
2464     ctl2_finalize_typeinfos(typelib, filepos);
2465 
2466     if (!ctl2_write_chunk(fd, &typelib->typelib_header, sizeof(typelib->typelib_header))) return retval;
2467     if(typelib->typelib_header.varflags & 0x100)
2468         if (!ctl2_write_chunk(fd, &typelib->help_string_dll_offset, sizeof(typelib->help_string_dll_offset)))
2469             return retval;
2470 
2471     if (!ctl2_write_chunk(fd, typelib->typelib_typeinfo_offsets, typelib->typelib_header.nrtypeinfos * 4)) return retval;
2472     if (!ctl2_write_chunk(fd, &typelib->typelib_segdir, sizeof(typelib->typelib_segdir))) return retval;
2473     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_TYPEINFO    )) return retval;
2474     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_GUIDHASH    )) return retval;
2475     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_GUID        )) return retval;
2476     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_REFERENCES  )) return retval;
2477     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_IMPORTINFO  )) return retval;
2478     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_IMPORTFILES )) return retval;
2479     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_NAMEHASH    )) return retval;
2480     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_NAME        )) return retval;
2481     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_STRING      )) return retval;
2482     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_TYPEDESC    )) return retval;
2483     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_ARRAYDESC   )) return retval;
2484     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_CUSTDATA    )) return retval;
2485     if (!ctl2_write_segment(typelib, fd, MSFT_SEG_CUSTDATAGUID)) return retval;
2486 
2487     ctl2_write_typeinfos(typelib, fd);
2488 
2489     if (close(fd) == -1) return retval;
2490 
2491     retval = S_OK;
2492     return retval;
2493 }
2494 
2495 int create_msft_typelib(typelib_t *typelib)
2496 {
2497     msft_typelib_t *msft;
2498     int failed = 0;
2499     typelib_entry_t *entry;
2500     time_t cur_time;
2501     char *time_override;
2502     unsigned int version = 5 << 24 | 1 << 16 | 164; /* 5.01.0164 */
2503     GUID midl_time_guid    = {0xde77ba63,0x517c,0x11d1,{0xa2,0xda,0x00,0x00,0xf8,0x77,0x3c,0xe9}}; 
2504     GUID midl_version_guid = {0xde77ba64,0x517c,0x11d1,{0xa2,0xda,0x00,0x00,0xf8,0x77,0x3c,0xe9}}; 
2505 
2506     msft = xmalloc(sizeof(*msft));
2507     memset(msft, 0, sizeof(*msft));
2508     msft->typelib = typelib;
2509 
2510     ctl2_init_header(msft);
2511     ctl2_init_segdir(msft);
2512 
2513     msft->typelib_header.varflags |= SYS_WIN32;
2514 
2515     /*
2516      * The following two calls return an offset or -1 if out of memory. We
2517      * specifically need an offset of 0, however, so...
2518      */
2519     if (ctl2_alloc_segment(msft, MSFT_SEG_GUIDHASH, 0x80, 0x80)) { failed = 1; }
2520     if (ctl2_alloc_segment(msft, MSFT_SEG_NAMEHASH, 0x200, 0x200)) { failed = 1; }
2521 
2522     if(failed)
2523     {
2524         free(msft);
2525         return 0;
2526     }
2527 
2528     msft->typelib_guidhash_segment = (int *)msft->typelib_segment_data[MSFT_SEG_GUIDHASH];
2529     msft->typelib_namehash_segment = (int *)msft->typelib_segment_data[MSFT_SEG_NAMEHASH];
2530 
2531     memset(msft->typelib_guidhash_segment, 0xff, 0x80);
2532     memset(msft->typelib_namehash_segment, 0xff, 0x200);
2533 
2534     set_lib_flags(msft);
2535     set_lcid(msft);
2536     set_help_file_name(msft);
2537     set_doc_string(msft);
2538     set_guid(msft);
2539     set_version(msft);
2540     set_name(msft);
2541     set_help_context(msft);
2542     set_help_string_dll(msft);
2543     set_help_string_context(msft);
2544     
2545     /* midl adds two sets of custom data to the library: the current unix time
2546        and midl's version number */
2547     time_override = getenv( "WIDL_TIME_OVERRIDE");
2548     cur_time = time_override ? atol( time_override) : time(NULL);
2549     set_custdata(msft, &midl_time_guid, VT_UI4, &cur_time, &msft->typelib_header.CustomDataOffset);
2550     set_custdata(msft, &midl_version_guid, VT_UI4, &version, &msft->typelib_header.CustomDataOffset);
2551 
2552     LIST_FOR_EACH_ENTRY( entry, &typelib->entries, typelib_entry_t, entry )
2553         add_entry(msft, entry);
2554 
2555     save_all_changes(msft);
2556     free(msft);
2557     return 1;
2558 }
2559 

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