xref: /PHP-7.2/ext/com_dotnet/com_typeinfo.c (revision 41bc51ce)
1 /*
2    +----------------------------------------------------------------------+
3    | PHP Version 7                                                        |
4    +----------------------------------------------------------------------+
5    | Copyright (c) 1997-2018 The PHP Group                                |
6    +----------------------------------------------------------------------+
7    | This source file is subject to version 3.01 of the PHP license,      |
8    | that is bundled with this package in the file LICENSE, and is        |
9    | available through the world-wide-web at the following url:           |
10    | http://www.php.net/license/3_01.txt                                  |
11    | If you did not receive a copy of the PHP license and are unable to   |
12    | obtain it through the world-wide-web, please send a note to          |
13    | license@php.net so we can mail you a copy immediately.               |
14    +----------------------------------------------------------------------+
15    | Author: Wez Furlong <wez@thebrainroom.com>                           |
16    |         Harald Radi <h.radi@nme.at>                                  |
17    +----------------------------------------------------------------------+
18  */
19 
20 /* $Id$ */
21 
22 #ifdef HAVE_CONFIG_H
23 #include "config.h"
24 #endif
25 
26 #include "php.h"
27 #include "php_ini.h"
28 #include "ext/standard/info.h"
29 #include "php_com_dotnet.h"
30 #include "php_com_dotnet_internal.h"
31 
32 
33 /* The search string can be either:
34  * a) a file name
35  * b) a CLSID, major, minor e.g. "{00000200-0000-0010-8000-00AA006D2EA4},2,0"
36  * c) a Type Library name e.g. "Microsoft OLE DB ActiveX Data Objects 1.0 Library"
37  */
php_com_load_typelib(char * search_string,int codepage)38 PHP_COM_DOTNET_API ITypeLib *php_com_load_typelib(char *search_string, int codepage)
39 {
40 	ITypeLib *TL = NULL;
41 	char *strtok_buf, *major, *minor;
42 	CLSID clsid;
43 	OLECHAR *p;
44 	HRESULT hr;
45 
46 	search_string = php_strtok_r(search_string, ",", &strtok_buf);
47 
48 	if (search_string == NULL) {
49 		return NULL;
50 	}
51 
52 	major = php_strtok_r(NULL, ",", &strtok_buf);
53 	minor = php_strtok_r(NULL, ",", &strtok_buf);
54 
55 	p = php_com_string_to_olestring(search_string, strlen(search_string), codepage);
56 
57 	if (SUCCEEDED(CLSIDFromString(p, &clsid))) {
58 		WORD major_i = 1, minor_i = 0;
59 
60 		/* pick up the major/minor numbers; if none specified, default to 1,0 */
61 		if (major && minor) {
62 			major_i = (WORD)atoi(major);
63 			minor_i = (WORD)atoi(minor);
64 		}
65 
66 		/* Load the TypeLib by GUID */
67 		hr = LoadRegTypeLib((REFGUID)&clsid, major_i, minor_i, LANG_NEUTRAL, &TL);
68 
69 		/* if that failed, assumed that the GUID is actually a CLSID and
70 		 * attempt to get the library via an instance of that class */
71 		if (FAILED(hr) && (major == NULL || minor == NULL)) {
72 			IDispatch *disp = NULL;
73 			ITypeInfo *info = NULL;
74 			UINT idx;
75 
76 			if (SUCCEEDED(hr = CoCreateInstance(&clsid, NULL, CLSCTX_SERVER, &IID_IDispatch, (LPVOID*)&disp)) &&
77 					SUCCEEDED(hr = IDispatch_GetTypeInfo(disp, 0, LANG_NEUTRAL, &info))) {
78 				hr = ITypeInfo_GetContainingTypeLib(info, &TL, &idx);
79 			}
80 
81 			if (info) {
82 				ITypeInfo_Release(info);
83 			}
84 			if (disp) {
85 				IDispatch_Release(disp);
86 			}
87 		}
88 	} else {
89 		/* Try to load it from a file; if it fails, do a really painful search of
90 		 * the registry */
91 		if (FAILED(LoadTypeLib(p, &TL))) {
92 			HKEY hkey, hsubkey;
93 			DWORD SubKeys, MaxSubKeyLength;
94 			char *keyname;
95 			unsigned int i, j;
96 			DWORD VersionCount;
97 			char version[20];
98 			char *libname;
99 			long libnamelen;
100 
101 			if (ERROR_SUCCESS == RegOpenKeyEx(HKEY_CLASSES_ROOT, "TypeLib", 0, KEY_READ, &hkey) &&
102 					ERROR_SUCCESS == RegQueryInfoKey(hkey, NULL, NULL, NULL, &SubKeys,
103 					&MaxSubKeyLength, NULL, NULL, NULL, NULL, NULL, NULL)) {
104 
105 				MaxSubKeyLength++; /* make room for NUL */
106 				keyname = emalloc(MaxSubKeyLength);
107 				libname = emalloc(strlen(search_string) + 1);
108 
109 				for (i = 0; i < SubKeys && TL == NULL; i++) {
110 					if (ERROR_SUCCESS == RegEnumKey(hkey, i, keyname, MaxSubKeyLength) &&
111 							ERROR_SUCCESS == RegOpenKeyEx(hkey, keyname, 0, KEY_READ, &hsubkey)) {
112 						if (ERROR_SUCCESS == RegQueryInfoKey(hsubkey, NULL, NULL, NULL, &VersionCount,
113 								NULL, NULL, NULL, NULL, NULL, NULL, NULL)) {
114 							for (j = 0; j < VersionCount; j++) {
115 								if (ERROR_SUCCESS != RegEnumKey(hsubkey, j, version, sizeof(version))) {
116 									continue;
117 								}
118 								/* get the default value for this key and compare */
119 								libnamelen = (long)strlen(search_string)+1;
120 								if (ERROR_SUCCESS == RegQueryValue(hsubkey, version, libname, &libnamelen)) {
121 									if (0 == stricmp(libname, search_string)) {
122 										char *str = NULL;
123 										int major_tmp, minor_tmp;
124 
125 										/* fetch the GUID and add the version numbers */
126 										if (2 != sscanf(version, "%d.%d", &major_tmp, &minor_tmp)) {
127 											major_tmp = 1;
128 											minor_tmp = 0;
129 										}
130 										spprintf(&str, 0, "%s,%d,%d", keyname, major_tmp, minor_tmp);
131 										/* recurse */
132 										TL = php_com_load_typelib(str, codepage);
133 
134 										efree(str);
135 										break;
136 									}
137 								}
138 							}
139 						}
140 						RegCloseKey(hsubkey);
141 					}
142 				}
143 				RegCloseKey(hkey);
144 				efree(keyname);
145 				efree(libname);
146 			}
147 		}
148 	}
149 
150 	efree(p);
151 
152 	return TL;
153 }
154 
155 /* Given a type-library, merge it into the current engine state */
php_com_import_typelib(ITypeLib * TL,int mode,int codepage)156 PHP_COM_DOTNET_API int php_com_import_typelib(ITypeLib *TL, int mode, int codepage)
157 {
158 	int i, j, interfaces;
159 	TYPEKIND pTKind;
160 	ITypeInfo *TypeInfo;
161 	VARDESC *pVarDesc;
162 	UINT NameCount;
163 	BSTR bstr_ids;
164 	zend_constant c;
165 	zval *exists, results, value;
166 	char *const_name;
167 	size_t len;
168 
169 	if (TL == NULL) {
170 		return FAILURE;
171 	}
172 
173 	interfaces = ITypeLib_GetTypeInfoCount(TL);
174 	for (i = 0; i < interfaces; i++) {
175 		ITypeLib_GetTypeInfoType(TL, i, &pTKind);
176 		if (pTKind == TKIND_ENUM) {
177 			ITypeLib_GetTypeInfo(TL, i, &TypeInfo);
178 			for (j = 0; ; j++) {
179 				if (FAILED(ITypeInfo_GetVarDesc(TypeInfo, j, &pVarDesc))) {
180 					break;
181 				}
182 				ITypeInfo_GetNames(TypeInfo, pVarDesc->memid, &bstr_ids, 1, &NameCount);
183 				if (NameCount != 1) {
184 					ITypeInfo_ReleaseVarDesc(TypeInfo, pVarDesc);
185 					continue;
186 				}
187 
188 				const_name = php_com_olestring_to_string(bstr_ids, &len, codepage);
189 				c.name = zend_string_init(const_name, len, 1);
190 				// TODO: avoid reallocation???
191 				efree(const_name);
192 				if(c.name == NULL) {
193 					ITypeInfo_ReleaseVarDesc(TypeInfo, pVarDesc);
194 					continue;
195 				}
196 //???				c.name_len++; /* include NUL */
197 				SysFreeString(bstr_ids);
198 
199 				/* sanity check for the case where the constant is already defined */
200 				php_com_zval_from_variant(&value, pVarDesc->lpvarValue, codepage);
201 				if ((exists = zend_get_constant(c.name)) != NULL) {
202 					if (COMG(autoreg_verbose) && !compare_function(&results, &value, exists)) {
203 						php_error_docref(NULL, E_WARNING, "Type library constant %s is already defined", ZSTR_VAL(c.name));
204 					}
205 					zend_string_release(c.name);
206 					ITypeInfo_ReleaseVarDesc(TypeInfo, pVarDesc);
207 					continue;
208 				}
209 
210 				/* register the constant */
211 				if (Z_TYPE(value) == IS_LONG) {
212 					c.flags = mode;
213 					ZVAL_LONG(&c.value, Z_LVAL(value));
214 					c.module_number = 0;
215 					zend_register_constant(&c);
216 				}
217 				ITypeInfo_ReleaseVarDesc(TypeInfo, pVarDesc);
218 			}
219 			ITypeInfo_Release(TypeInfo);
220 		}
221 	}
222 	return SUCCESS;
223 }
224 
225 /* Type-library stuff */
php_com_typelibrary_dtor(zval * pDest)226 void php_com_typelibrary_dtor(zval *pDest)
227 {
228 	ITypeLib *Lib = (ITypeLib*)Z_PTR_P(pDest);
229 	ITypeLib_Release(Lib);
230 }
231 
php_com_load_typelib_via_cache(char * search_string,int codepage,int * cached)232 PHP_COM_DOTNET_API ITypeLib *php_com_load_typelib_via_cache(char *search_string,
233 	int codepage, int *cached)
234 {
235 	ITypeLib *TL;
236 	char *name_dup;
237 	size_t l;
238 
239 	l = strlen(search_string);
240 
241 	if ((TL = zend_ts_hash_str_find_ptr(&php_com_typelibraries, search_string, l)) != NULL) {
242 		*cached = 1;
243 		/* add a reference for the caller */
244 		ITypeLib_AddRef(TL);
245 		return TL;
246 	}
247 
248 	*cached = 0;
249 	name_dup = estrndup(search_string, l);
250 	TL = php_com_load_typelib(name_dup, codepage);
251 	efree(name_dup);
252 
253 	if (TL) {
254 		if (NULL != zend_ts_hash_str_update_ptr(&php_com_typelibraries,
255 				search_string, l, TL)) {
256 			/* add a reference for the hash table */
257 			ITypeLib_AddRef(TL);
258 		}
259 	}
260 
261 	return TL;
262 }
263 
php_com_locate_typeinfo(char * typelibname,php_com_dotnet_object * obj,char * dispname,int sink)264 ITypeInfo *php_com_locate_typeinfo(char *typelibname, php_com_dotnet_object *obj, char *dispname, int sink)
265 {
266 	ITypeInfo *typeinfo = NULL;
267 	ITypeLib *typelib = NULL;
268 	int gotguid = 0;
269 	GUID iid;
270 
271 	if (obj) {
272 		if (dispname == NULL && sink) {
273 			IProvideClassInfo2 *pci2;
274 			IProvideClassInfo *pci;
275 
276 			if (SUCCEEDED(IDispatch_QueryInterface(V_DISPATCH(&obj->v), &IID_IProvideClassInfo2, (void**)&pci2))) {
277 				gotguid = SUCCEEDED(IProvideClassInfo2_GetGUID(pci2, GUIDKIND_DEFAULT_SOURCE_DISP_IID, &iid));
278 				IProvideClassInfo2_Release(pci2);
279 			}
280 			if (!gotguid && SUCCEEDED(IDispatch_QueryInterface(V_DISPATCH(&obj->v), &IID_IProvideClassInfo, (void**)&pci))) {
281 				/* examine the available interfaces */
282 				/* TODO: write some code here */
283 				php_error_docref(NULL, E_WARNING, "IProvideClassInfo: this code not yet written!");
284 				IProvideClassInfo_Release(pci);
285 			}
286 		} else if (dispname == NULL) {
287 			if (obj->typeinfo) {
288 				ITypeInfo_AddRef(obj->typeinfo);
289 				return obj->typeinfo;
290 			} else {
291 				IDispatch_GetTypeInfo(V_DISPATCH(&obj->v), 0, LANG_NEUTRAL, &typeinfo);
292 				if (typeinfo) {
293 					return typeinfo;
294 				}
295 			}
296 		} else if (dispname && obj->typeinfo) {
297 			unsigned int idx;
298 			/* get the library from the object; the rest will be dealt with later */
299 			ITypeInfo_GetContainingTypeLib(obj->typeinfo, &typelib, &idx);
300 		} else if (typelibname == NULL) {
301 			IDispatch_GetTypeInfo(V_DISPATCH(&obj->v), 0, LANG_NEUTRAL, &typeinfo);
302 			if (dispname) {
303 				unsigned int idx;
304 				/* get the library from the object; the rest will be dealt with later */
305 				ITypeInfo_GetContainingTypeLib(typeinfo, &typelib, &idx);
306 
307 				if (typelib) {
308 					ITypeInfo_Release(typeinfo);
309 					typeinfo = NULL;
310 				}
311 			}
312 		}
313 	} else if (typelibname) {
314 		/* Fetch the typelibrary and use that to look things up */
315 		typelib = php_com_load_typelib(typelibname, CP_THREAD_ACP);
316 	}
317 
318 	if (!gotguid && dispname && typelib) {
319 		unsigned short cfound;
320 		MEMBERID memid;
321 		OLECHAR *olename = php_com_string_to_olestring(dispname, strlen(dispname), CP_ACP);
322 
323 		cfound = 1;
324 		if (FAILED(ITypeLib_FindName(typelib, olename, 0, &typeinfo, &memid, &cfound)) || cfound == 0) {
325 			CLSID coclass;
326 			ITypeInfo *coinfo;
327 
328 			/* assume that it might be a progid instead */
329 			if (SUCCEEDED(CLSIDFromProgID(olename, &coclass)) &&
330 					SUCCEEDED(ITypeLib_GetTypeInfoOfGuid(typelib, &coclass, &coinfo))) {
331 
332 				/* enumerate implemented interfaces and pick the one as indicated by sink */
333 				TYPEATTR *attr;
334 				int i;
335 
336 				ITypeInfo_GetTypeAttr(coinfo, &attr);
337 
338 				for (i = 0; i < attr->cImplTypes; i++) {
339 					HREFTYPE rt;
340 					int tf;
341 
342 					if (FAILED(ITypeInfo_GetImplTypeFlags(coinfo, i, &tf))) {
343 						continue;
344 					}
345 
346 					if ((sink && tf == (IMPLTYPEFLAG_FSOURCE|IMPLTYPEFLAG_FDEFAULT)) ||
347 						(!sink && (tf & IMPLTYPEFLAG_FSOURCE) == 0)) {
348 
349 						/* flags match what we are looking for */
350 
351 						if (SUCCEEDED(ITypeInfo_GetRefTypeOfImplType(coinfo, i, &rt)))
352 							if (SUCCEEDED(ITypeInfo_GetRefTypeInfo(coinfo, rt, &typeinfo)))
353 								break;
354 
355 					}
356 				}
357 
358 				ITypeInfo_ReleaseTypeAttr(coinfo, attr);
359 				ITypeInfo_Release(coinfo);
360 			}
361 		}
362 
363 
364 		efree(olename);
365 	} else if (gotguid) {
366 		ITypeLib_GetTypeInfoOfGuid(typelib, &iid, &typeinfo);
367 	}
368 
369 	if (typelib) {
370 		ITypeLib_Release(typelib);
371 	}
372 
373 	return typeinfo;
374 }
375 
376 static const struct {
377 	VARTYPE vt;
378 	const char *name;
379 } vt_names[] = {
380 	{ VT_NULL,		"VT_NULL" },
381 	{ VT_EMPTY,		"VT_EMPTY" },
382 	{ VT_UI1,		"VT_UI1" },
383 	{ VT_I2,		"VT_I2" },
384 	{ VT_I4,		"VT_I4" },
385 	{ VT_R4,		"VT_R4" },
386 	{ VT_R8,		"VT_R8" },
387 	{ VT_BOOL,		"VT_BOOL" },
388 	{ VT_ERROR,		"VT_ERROR" },
389 	{ VT_CY,		"VT_CY" },
390 	{ VT_DATE,		"VT_DATE" },
391 	{ VT_BSTR,		"VT_BSTR" },
392 	{ VT_DECIMAL,	"VT_DECIMAL" },
393 	{ VT_UNKNOWN,	"VT_UNKNOWN" },
394 	{ VT_DISPATCH,	"VT_DISPATCH" },
395 	{ VT_VARIANT,	"VT_VARIANT" },
396 	{ VT_I1,		"VT_I1" },
397 	{ VT_UI2,		"VT_UI2" },
398 	{ VT_UI4,		"VT_UI4" },
399 	{ VT_INT,		"VT_INT" },
400 	{ VT_UINT,		"VT_UINT" },
401 	{ VT_ARRAY,		"VT_ARRAY" },
402 	{ VT_BYREF,		"VT_BYREF" },
403 	{ VT_VOID,		"VT_VOID" },
404 	{ VT_PTR,		"VT_PTR" },
405 	{ VT_HRESULT,	"VT_HRESULT" },
406 	{ VT_SAFEARRAY, "VT_SAFEARRAY" },
407 	{ 0, NULL }
408 };
409 
vt_to_string(VARTYPE vt)410 static inline const char *vt_to_string(VARTYPE vt)
411 {
412 	int i;
413 	for (i = 0; vt_names[i].name != NULL; i++) {
414 		if (vt_names[i].vt == vt)
415 			return vt_names[i].name;
416 	}
417 	return "?";
418 }
419 
php_com_string_from_clsid(const CLSID * clsid,int codepage)420 static char *php_com_string_from_clsid(const CLSID *clsid, int codepage)
421 {
422 	LPOLESTR ole_clsid;
423 	char *clsid_str;
424 
425 	StringFromCLSID(clsid, &ole_clsid);
426 	clsid_str = php_com_olestring_to_string(ole_clsid, NULL, codepage);
427 	LocalFree(ole_clsid);
428 
429 	return clsid_str;
430 }
431 
432 
php_com_process_typeinfo(ITypeInfo * typeinfo,HashTable * id_to_name,int printdef,GUID * guid,int codepage)433 int php_com_process_typeinfo(ITypeInfo *typeinfo, HashTable *id_to_name, int printdef, GUID *guid, int codepage)
434 {
435 	TYPEATTR *attr;
436 	FUNCDESC *func;
437 	int i;
438 	OLECHAR *olename;
439 	char *ansiname = NULL;
440 	size_t ansinamelen;
441 	int ret = 0;
442 
443 	if (FAILED(ITypeInfo_GetTypeAttr(typeinfo, &attr))) {
444 		return 0;
445 	}
446 
447 	/* verify that it is suitable */
448 	if (id_to_name == NULL || attr->typekind == TKIND_DISPATCH) {
449 
450 		if (guid) {
451 			memcpy(guid, &attr->guid, sizeof(GUID));
452 		}
453 
454 		if (printdef) {
455 			char *guidstring;
456 
457 			ITypeInfo_GetDocumentation(typeinfo, MEMBERID_NIL, &olename, NULL, NULL, NULL);
458 			ansiname = php_com_olestring_to_string(olename, &ansinamelen, codepage);
459 			SysFreeString(olename);
460 
461 			guidstring = php_com_string_from_clsid(&attr->guid, codepage);
462 			php_printf("class %s { /* GUID=%s */\n", ansiname, guidstring);
463 			efree(guidstring);
464 
465 			efree(ansiname);
466 		}
467 
468 		if (id_to_name) {
469 			zend_hash_init(id_to_name, 0, NULL, ZVAL_PTR_DTOR, 0);
470 		}
471 
472 		/* So we've got the dispatch interface; lets list the event methods */
473 		for (i = 0; i < attr->cFuncs; i++) {
474 			zval tmp;
475 			DISPID lastid = 0;	/* for props */
476 			int isprop;
477 
478 			if (FAILED(ITypeInfo_GetFuncDesc(typeinfo, i, &func)))
479 				break;
480 
481 			isprop = (func->invkind & DISPATCH_PROPERTYGET || func->invkind & DISPATCH_PROPERTYPUT);
482 
483 			if (!isprop || lastid != func->memid) {
484 
485 				lastid = func->memid;
486 
487 				ITypeInfo_GetDocumentation(typeinfo, func->memid, &olename, NULL, NULL, NULL);
488 				ansiname = php_com_olestring_to_string(olename, &ansinamelen, codepage);
489 				SysFreeString(olename);
490 
491 				if (printdef) {
492 					int j;
493 					char *funcdesc;
494 					size_t funcdesclen;
495 					unsigned int cnames = 0;
496 					BSTR *names;
497 
498 					names = (BSTR*)safe_emalloc((func->cParams + 1), sizeof(BSTR), 0);
499 
500 					ITypeInfo_GetNames(typeinfo, func->memid, names, func->cParams + 1, &cnames);
501 					/* first element is the function name */
502 					SysFreeString(names[0]);
503 
504 					php_printf("\t/* DISPID=%d */\n", func->memid);
505 
506 					if (func->elemdescFunc.tdesc.vt != VT_VOID) {
507 						php_printf("\t/* %s [%d] */\n",
508 								vt_to_string(func->elemdescFunc.tdesc.vt),
509 								func->elemdescFunc.tdesc.vt
510 								);
511 					}
512 
513 					if (isprop) {
514 
515 						ITypeInfo_GetDocumentation(typeinfo, func->memid, NULL, &olename, NULL, NULL);
516 						if (olename) {
517 							funcdesc = php_com_olestring_to_string(olename, &funcdesclen, codepage);
518 							SysFreeString(olename);
519 							php_printf("\t/* %s */\n", funcdesc);
520 							efree(funcdesc);
521 						}
522 
523 						php_printf("\tvar $%s;\n\n", ansiname);
524 
525 					} else {
526 						/* a function */
527 
528 						php_printf("\tfunction %s(\n", ansiname);
529 
530 						for (j = 0; j < func->cParams; j++) {
531 							ELEMDESC *elem = &func->lprgelemdescParam[j];
532 
533 							php_printf("\t\t/* %s [%d] ", vt_to_string(elem->tdesc.vt), elem->tdesc.vt);
534 
535 							if (elem->paramdesc.wParamFlags & PARAMFLAG_FIN)
536 								php_printf("[in]");
537 							if (elem->paramdesc.wParamFlags & PARAMFLAG_FOUT)
538 								php_printf("[out]");
539 
540 							if (elem->tdesc.vt == VT_PTR) {
541 								/* what does it point to ? */
542 								php_printf(" --> %s [%d] ",
543 										vt_to_string(elem->tdesc.lptdesc->vt),
544 										elem->tdesc.lptdesc->vt
545 										);
546 							}
547 
548 							/* when we handle prop put and get, this will look nicer */
549 							if (j+1 < (int)cnames) {
550 								funcdesc = php_com_olestring_to_string(names[j+1], &funcdesclen, codepage);
551 								SysFreeString(names[j+1]);
552 							} else {
553 								funcdesc = "???";
554 							}
555 
556 							php_printf(" */ %s%s%c\n",
557 									elem->tdesc.vt == VT_PTR ? "&$" : "$",
558 									funcdesc,
559 									j == func->cParams - 1 ? ' ' : ','
560 									);
561 
562 							if (j+1 < (int)cnames) {
563 								efree(funcdesc);
564 							}
565 						}
566 
567 						php_printf("\t\t)\n\t{\n");
568 
569 						ITypeInfo_GetDocumentation(typeinfo, func->memid, NULL, &olename, NULL, NULL);
570 						if (olename) {
571 							funcdesc = php_com_olestring_to_string(olename, &funcdesclen, codepage);
572 							SysFreeString(olename);
573 							php_printf("\t\t/* %s */\n", funcdesc);
574 							efree(funcdesc);
575 						}
576 
577 						php_printf("\t}\n");
578 					}
579 
580 					efree(names);
581 				}
582 
583 				if (id_to_name) {
584 					zend_str_tolower(ansiname, ansinamelen);
585 					ZVAL_STRINGL(&tmp, ansiname, ansinamelen);
586 					zend_hash_index_update(id_to_name, func->memid, &tmp);
587 					// TODO: avoid reallocation???
588 					efree(ansiname);
589 				}
590 			}
591 			ITypeInfo_ReleaseFuncDesc(typeinfo, func);
592 		}
593 
594 		if (printdef) {
595 			php_printf("}\n");
596 		}
597 
598 		ret = 1;
599 	} else {
600 		zend_error(E_WARNING, "That's not a dispatchable interface!! type kind = %08x", attr->typekind);
601 	}
602 
603 	ITypeInfo_ReleaseTypeAttr(typeinfo, attr);
604 
605 	return ret;
606 }
607