dlls/fusion/asmname.c

   1 /*
   2  * IAssemblyName implementation
   3  *
   4  * Copyright 2008 James Hawkins
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22 #include <assert.h>
  23
  24 #define COBJMACROS
  25 #define INITGUID
  26
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "winuser.h"
  30 #include "ole2.h"
  31 #include "guiddef.h"
  32 #include "fusion.h"
  33 #include "corerror.h"
  34
  35 #include "wine/debug.h"
  36 #include "wine/unicode.h"
  37 #include "fusionpriv.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(fusion);
  40
  41 typedef struct {
  42     IAssemblyName IAssemblyName_iface;
  43
  44     LPWSTR path;
  45
  46     LPWSTR displayname;
  47     LPWSTR name;
  48     LPWSTR culture;
  49     LPWSTR procarch;
  50
  51     WORD version[4];
  52     DWORD versize;
  53
  54     BYTE pubkey[8];
  55     BOOL haspubkey;
  56
  57     LONG ref;
  58 } IAssemblyNameImpl;
  59
  60 static const WCHAR separator[] = {',',' ',0};
  61 static const WCHAR version[] = {'V','e','r','s','i','o','n',0};
  62 static const WCHAR culture[] = {'C','u','l','t','u','r','e',0};
  63 static const WCHAR pubkey[] =
  64     {'P','u','b','l','i','c','K','e','y','T','o','k','e','n',0};
  65 static const WCHAR procarch[] = {'p','r','o','c','e','s','s','o','r',
  66     'A','r','c','h','i','t','e','c','t','u','r','e',0};
  67
  68 #define CHARS_PER_PUBKEY 16
  69
  70 static inline IAssemblyNameImpl *impl_from_IAssemblyName(IAssemblyName *iface)
  71 {
  72     return CONTAINING_RECORD(iface, IAssemblyNameImpl, IAssemblyName_iface);
  73 }
  74
  75 static HRESULT WINAPI IAssemblyNameImpl_QueryInterface(IAssemblyName *iface,
  76                                                        REFIID riid, LPVOID *ppobj)
  77 {
  78     IAssemblyNameImpl *This = impl_from_IAssemblyName(iface);
  79
  80     TRACE("(%p, %s, %p)\n", This, debugstr_guid(riid), ppobj);
  81
  82     *ppobj = NULL;
  83
  84     if (IsEqualIID(riid, &IID_IUnknown) ||
  85         IsEqualIID(riid, &IID_IAssemblyName))
  86     {
  87         IUnknown_AddRef(iface);
  88         *ppobj = This;
  89         return S_OK;
  90     }
  91
  92     WARN("(%p, %s, %p): not found\n", This, debugstr_guid(riid), ppobj);
  93     return E_NOINTERFACE;
  94 }
  95
  96 static ULONG WINAPI IAssemblyNameImpl_AddRef(IAssemblyName *iface)
  97 {
  98     IAssemblyNameImpl *This = impl_from_IAssemblyName(iface);
  99     ULONG refCount = InterlockedIncrement(&This->ref);
 100
 101     TRACE("(%p)->(ref before = %u)\n", This, refCount - 1);
 102
 103     return refCount;
 104 }
 105
 106 static ULONG WINAPI IAssemblyNameImpl_Release(IAssemblyName *iface)
 107 {
 108     IAssemblyNameImpl *This = impl_from_IAssemblyName(iface);
 109     ULONG refCount = InterlockedDecrement(&This->ref);
 110
 111     TRACE("(%p)->(ref before = %u)\n", This, refCount + 1);
 112
 113     if (!refCount)
 114     {
 115         HeapFree(GetProcessHeap(), 0, This->path);
 116         HeapFree(GetProcessHeap(), 0, This->displayname);
 117         HeapFree(GetProcessHeap(), 0, This->name);
 118         HeapFree(GetProcessHeap(), 0, This->culture);
 119         HeapFree(GetProcessHeap(), 0, This->procarch);
 120         HeapFree(GetProcessHeap(), 0, This);
 121     }
 122
 123     return refCount;
 124 }
 125
 126 static HRESULT WINAPI IAssemblyNameImpl_SetProperty(IAssemblyName *iface,
 127                                                     DWORD PropertyId,
 128                                                     LPVOID pvProperty,
 129                                                     DWORD cbProperty)
 130 {
 131     FIXME("(%p, %d, %p, %d) stub!\n", iface, PropertyId, pvProperty, cbProperty);
 132     return E_NOTIMPL;
 133 }
 134
 135 static HRESULT WINAPI IAssemblyNameImpl_GetProperty(IAssemblyName *iface,
 136                                                     DWORD PropertyId,
 137                                                     LPVOID pvProperty,
 138                                                     LPDWORD pcbProperty)
 139 {
 140     IAssemblyNameImpl *name = impl_from_IAssemblyName(iface);
 141
 142     TRACE("(%p, %d, %p, %p)\n", iface, PropertyId, pvProperty, pcbProperty);
 143
 144     *((LPWSTR)pvProperty) = '\0';
 145
 146     switch (PropertyId)
 147     {
 148         case ASM_NAME_NULL_PUBLIC_KEY:
 149         case ASM_NAME_NULL_PUBLIC_KEY_TOKEN:
 150             if (name->haspubkey)
 151                 return S_OK;
 152             return S_FALSE;
 153
 154         case ASM_NAME_NULL_CUSTOM:
 155             return S_OK;
 156
 157         case ASM_NAME_NAME:
 158             *pcbProperty = 0;
 159             if (name->name)
 160             {
 161                 lstrcpyW(pvProperty, name->name);
 162                 *pcbProperty = (lstrlenW(name->name) + 1) * 2;
 163             }
 164             break;
 165
 166         case ASM_NAME_MAJOR_VERSION:
 167             *pcbProperty = 0;
 168             *((WORD *)pvProperty) = name->version[0];
 169             if (name->versize >= 1)
 170                 *pcbProperty = sizeof(WORD);
 171             break;
 172
 173         case ASM_NAME_MINOR_VERSION:
 174             *pcbProperty = 0;
 175             *((WORD *)pvProperty) = name->version[1];
 176             if (name->versize >= 2)
 177                 *pcbProperty = sizeof(WORD);
 178             break;
 179
 180         case ASM_NAME_BUILD_NUMBER:
 181             *pcbProperty = 0;
 182             *((WORD *)pvProperty) = name->version[2];
 183             if (name->versize >= 3)
 184                 *pcbProperty = sizeof(WORD);
 185             break;
 186
 187         case ASM_NAME_REVISION_NUMBER:
 188             *pcbProperty = 0;
 189             *((WORD *)pvProperty) = name->version[3];
 190             if (name->versize >= 4)
 191                 *pcbProperty = sizeof(WORD);
 192             break;
 193
 194         case ASM_NAME_CULTURE:
 195             *pcbProperty = 0;
 196             if (name->culture)
 197             {
 198                 lstrcpyW(pvProperty, name->culture);
 199                 *pcbProperty = (lstrlenW(name->culture) + 1) * 2;
 200             }
 201             break;
 202
 203         case ASM_NAME_PUBLIC_KEY_TOKEN:
 204             *pcbProperty = 0;
 205             if (name->haspubkey)
 206             {
 207                 memcpy(pvProperty, name->pubkey, sizeof(DWORD) * 2);
 208                 *pcbProperty = sizeof(DWORD) * 2;
 209             }
 210             break;
 211
 212         default:
 213             *pcbProperty = 0;
 214             break;
 215     }
 216
 217     return S_OK;
 218 }
 219
 220 static HRESULT WINAPI IAssemblyNameImpl_Finalize(IAssemblyName *iface)
 221 {
 222     FIXME("(%p) stub!\n", iface);
 223     return E_NOTIMPL;
 224 }
 225
 226 static HRESULT WINAPI IAssemblyNameImpl_GetDisplayName(IAssemblyName *iface,
 227                                                        LPOLESTR szDisplayName,
 228                                                        LPDWORD pccDisplayName,
 229                                                        DWORD dwDisplayFlags)
 230 {
 231     IAssemblyNameImpl *name = impl_from_IAssemblyName(iface);
 232     WCHAR verstr[30];
 233     DWORD size;
 234     LPWSTR cultureval = 0;
 235
 236     static const WCHAR equals[] = {'=',0};
 237
 238     TRACE("(%p, %p, %p, %d)\n", iface, szDisplayName,
 239           pccDisplayName, dwDisplayFlags);
 240
 241     if (dwDisplayFlags == 0)
 242     {
 243         if (!name->displayname || !*name->displayname)
 244             return FUSION_E_INVALID_NAME;
 245
 246         size = min(*pccDisplayName, lstrlenW(name->displayname) + 1);
 247
 248         lstrcpynW(szDisplayName, name->displayname, size);
 249         *pccDisplayName = size;
 250
 251         return S_OK;
 252     }
 253
 254     if (!name->name || !*name->name)
 255         return FUSION_E_INVALID_NAME;
 256
 257     /* Verify buffer size is sufficient */
 258     size = lstrlenW(name->name) + 1;
 259
 260     if ((dwDisplayFlags & ASM_DISPLAYF_VERSION) && (name->versize > 0))
 261     {
 262         static const WCHAR spec[] = {'%','d',0};
 263         static const WCHAR period[] = {'.',0};
 264         int i;
 265
 266         wsprintfW(verstr, spec, name->version[0]);
 267
 268         for (i = 1; i < name->versize; i++)
 269         {
 270             WCHAR value[6];
 271             wsprintfW(value, spec, name->version[i]);
 272
 273             lstrcatW(verstr, period);
 274             lstrcatW(verstr, value);
 275         }
 276
 277         size += lstrlenW(separator) + lstrlenW(version) + lstrlenW(equals) + lstrlenW(verstr);
 278     }
 279
 280     if ((dwDisplayFlags & ASM_DISPLAYF_CULTURE) && (name->culture))
 281     {
 282         static const WCHAR neutral[] = {'n','e','u','t','r','a','l', 0};
 283
 284         cultureval = (lstrlenW(name->culture) == 2) ? name->culture : (LPWSTR) neutral;
 285         size += lstrlenW(separator) + lstrlenW(culture) + lstrlenW(equals) + lstrlenW(cultureval);
 286     }
 287
 288     if ((dwDisplayFlags & ASM_DISPLAYF_PUBLIC_KEY_TOKEN) && (name->haspubkey))
 289         size += lstrlenW(separator) + lstrlenW(pubkey) + lstrlenW(equals) + CHARS_PER_PUBKEY;
 290
 291     if ((dwDisplayFlags & ASM_DISPLAYF_PROCESSORARCHITECTURE) && (name->procarch))
 292         size += lstrlenW(separator) + lstrlenW(procarch) + lstrlenW(equals) + lstrlenW(name->procarch);
 293
 294     if (size > *pccDisplayName)
 295         return S_FALSE;
 296
 297     /* Construct the string */
 298     lstrcpyW(szDisplayName, name->name);
 299
 300     if ((dwDisplayFlags & ASM_DISPLAYF_VERSION) && (name->versize > 0))
 301     {
 302         lstrcatW(szDisplayName, separator);
 303
 304         lstrcatW(szDisplayName, version);
 305         lstrcatW(szDisplayName, equals);
 306         lstrcatW(szDisplayName, verstr);
 307     }
 308
 309     if ((dwDisplayFlags & ASM_DISPLAYF_CULTURE) && (name->culture))
 310     {
 311         lstrcatW(szDisplayName, separator);
 312
 313         lstrcatW(szDisplayName, culture);
 314         lstrcatW(szDisplayName, equals);
 315         lstrcatW(szDisplayName, cultureval);
 316     }
 317
 318     if ((dwDisplayFlags & ASM_DISPLAYF_PUBLIC_KEY_TOKEN) && (name->haspubkey))
 319     {
 320         WCHAR pkt[CHARS_PER_PUBKEY + 1];
 321         static const WCHAR spec[] = {'%','0','x','%','0','x','%','0','x',
 322             '%','0','x','%','0','x','%','0','x','%','0','x','%','0','x',0};
 323
 324         lstrcatW(szDisplayName, separator);
 325
 326         lstrcatW(szDisplayName, pubkey);
 327         lstrcatW(szDisplayName, equals);
 328
 329         wsprintfW(pkt, spec, name->pubkey[0], name->pubkey[1], name->pubkey[2],
 330             name->pubkey[3], name->pubkey[4], name->pubkey[5], name->pubkey[6],
 331             name->pubkey[7]);
 332
 333         lstrcatW(szDisplayName, pkt);
 334     }
 335
 336     if ((dwDisplayFlags & ASM_DISPLAYF_PROCESSORARCHITECTURE) && (name->procarch))
 337     {
 338         lstrcatW(szDisplayName, separator);
 339
 340         lstrcatW(szDisplayName, procarch);
 341         lstrcatW(szDisplayName, equals);
 342         lstrcatW(szDisplayName, name->procarch);
 343     }
 344
 345     *pccDisplayName = size;
 346     return S_OK;
 347 }
 348
 349 static HRESULT WINAPI IAssemblyNameImpl_Reserved(IAssemblyName *iface,
 350                                                  REFIID refIID,
 351                                                  IUnknown *pUnkReserved1,
 352                                                  IUnknown *pUnkReserved2,
 353                                                  LPCOLESTR szReserved,
 354                                                  LONGLONG llReserved,
 355                                                  LPVOID pvReserved,
 356                                                  DWORD cbReserved,
 357                                                  LPVOID *ppReserved)
 358 {
 359     TRACE("(%p, %s, %p, %p, %s, %x%08x, %p, %d, %p)\n", iface,
 360           debugstr_guid(refIID), pUnkReserved1, pUnkReserved2,
 361           debugstr_w(szReserved), (DWORD)(llReserved >> 32), (DWORD)llReserved,
 362           pvReserved, cbReserved, ppReserved);
 363
 364     return E_NOTIMPL;
 365 }
 366
 367 static HRESULT WINAPI IAssemblyNameImpl_GetName(IAssemblyName *iface,
 368                                                 LPDWORD lpcwBuffer,
 369                                                 WCHAR *pwzName)
 370 {
 371     IAssemblyNameImpl *name = impl_from_IAssemblyName(iface);
 372
 373     TRACE("(%p, %p, %p)\n", iface, lpcwBuffer, pwzName);
 374
 375     if (!name->name)
 376     {
 377         *pwzName = '\0';
 378         *lpcwBuffer = 0;
 379         return S_OK;
 380     }
 381
 382     lstrcpyW(pwzName, name->name);
 383     *lpcwBuffer = lstrlenW(pwzName) + 1;
 384
 385     return S_OK;
 386 }
 387
 388 static HRESULT WINAPI IAssemblyNameImpl_GetVersion(IAssemblyName *iface,
 389                                                    LPDWORD pdwVersionHi,
 390                                                    LPDWORD pdwVersionLow)
 391 {
 392     IAssemblyNameImpl *name = impl_from_IAssemblyName(iface);
 393
 394     TRACE("(%p, %p, %p)\n", iface, pdwVersionHi, pdwVersionLow);
 395
 396     *pdwVersionHi = 0;
 397     *pdwVersionLow = 0;
 398
 399     if (name->versize != 4)
 400         return FUSION_E_INVALID_NAME;
 401
 402     *pdwVersionHi = (name->version[0] << 16) + name->version[1];
 403     *pdwVersionLow = (name->version[2] << 16) + name->version[3];
 404
 405     return S_OK;
 406 }
 407
 408 static HRESULT WINAPI IAssemblyNameImpl_IsEqual(IAssemblyName *iface,
 409                                                 IAssemblyName *pName,
 410                                                 DWORD dwCmpFlags)
 411 {
 412     FIXME("(%p, %p, %d) stub!\n", iface, pName, dwCmpFlags);
 413     return E_NOTIMPL;
 414 }
 415
 416 static HRESULT WINAPI IAssemblyNameImpl_Clone(IAssemblyName *iface,
 417                                               IAssemblyName **pName)
 418 {
 419     FIXME("(%p, %p) stub!\n", iface, pName);
 420     return E_NOTIMPL;
 421 }
 422
 423 static const IAssemblyNameVtbl AssemblyNameVtbl = {
 424     IAssemblyNameImpl_QueryInterface,
 425     IAssemblyNameImpl_AddRef,
 426     IAssemblyNameImpl_Release,
 427     IAssemblyNameImpl_SetProperty,
 428     IAssemblyNameImpl_GetProperty,
 429     IAssemblyNameImpl_Finalize,
 430     IAssemblyNameImpl_GetDisplayName,
 431     IAssemblyNameImpl_Reserved,
 432     IAssemblyNameImpl_GetName,
 433     IAssemblyNameImpl_GetVersion,
 434     IAssemblyNameImpl_IsEqual,
 435     IAssemblyNameImpl_Clone
 436 };
 437
 438 /* Internal methods */
 439 static inline IAssemblyNameImpl *unsafe_impl_from_IAssemblyName(IAssemblyName *iface)
 440 {
 441     assert(iface->lpVtbl == &AssemblyNameVtbl);
 442
 443     return impl_from_IAssemblyName(iface);
 444 }
 445
 446 HRESULT IAssemblyName_SetPath(IAssemblyName *iface, LPCWSTR path)
 447 {
 448     IAssemblyNameImpl *name = unsafe_impl_from_IAssemblyName(iface);
 449
 450     name->path = strdupW(path);
 451     if (!name->path)
 452         return E_OUTOFMEMORY;
 453
 454     return S_OK;
 455 }
 456
 457 HRESULT IAssemblyName_GetPath(IAssemblyName *iface, LPWSTR buf, ULONG *len)
 458 {
 459     ULONG buffer_size = *len;
 460     IAssemblyNameImpl *name = unsafe_impl_from_IAssemblyName(iface);
 461
 462     if (!name->path)
 463         return S_OK;
 464
 465     if (!buf)
 466         buffer_size = 0;
 467
 468     *len = lstrlenW(name->path) + 1;
 469
 470     if (*len <= buffer_size)
 471         lstrcpyW(buf, name->path);
 472     else
 473         return HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
 474
 475     return S_OK;
 476 }
 477
 478 static HRESULT parse_version(IAssemblyNameImpl *name, LPWSTR version)
 479 {
 480     LPWSTR beg, end;
 481     int i;
 482
 483     for (i = 0, beg = version; i < 4; i++)
 484     {
 485         if (!*beg)
 486             return S_OK;
 487
 488         end = strchrW(beg, '.');
 489
 490         if (end) *end = '\0';
 491         name->version[i] = atolW(beg);
 492         name->versize++;
 493
 494         if (!end && i < 3)
 495             return S_OK;
 496
 497         beg = end + 1;
 498     }
 499
 500     return S_OK;
 501 }
 502
 503 static HRESULT parse_culture(IAssemblyNameImpl *name, LPCWSTR culture)
 504 {
 505     static const WCHAR empty[] = {0};
 506
 507     if (lstrlenW(culture) == 2)
 508         name->culture = strdupW(culture);
 509     else
 510         name->culture = strdupW(empty);
 511
 512     return S_OK;
 513 }
 514
 515 static BOOL is_hex(WCHAR c)
 516 {
 517     return ((c >= 'a' && c <= 'f') ||
 518             (c >= 'A' && c <= 'F') ||
 519             (c >= '0' && c <= '9'));
 520 }
 521
 522 static BYTE hextobyte(WCHAR c)
 523 {
 524     if(c >= '0' && c <= '9')
 525         return c - '0';
 526     if(c >= 'A' && c <= 'F')
 527         return c - 'A' + 10;
 528     if(c >= 'a' && c <= 'f')
 529         return c - 'a' + 10;
 530     return 0;
 531 }
 532
 533 static HRESULT parse_pubkey(IAssemblyNameImpl *name, LPCWSTR pubkey)
 534 {
 535     int i;
 536     BYTE val;
 537
 538     if (lstrlenW(pubkey) < CHARS_PER_PUBKEY)
 539         return FUSION_E_INVALID_NAME;
 540
 541     for (i = 0; i < CHARS_PER_PUBKEY; i++)
 542         if (!is_hex(pubkey[i]))
 543             return FUSION_E_INVALID_NAME;
 544
 545     name->haspubkey = TRUE;
 546
 547     for (i = 0; i < CHARS_PER_PUBKEY; i += 2)
 548     {
 549         val = (hextobyte(pubkey[i]) << 4) + hextobyte(pubkey[i + 1]);
 550         name->pubkey[i / 2] = val;
 551     }
 552
 553     return S_OK;
 554 }
 555
 556 static HRESULT parse_display_name(IAssemblyNameImpl *name, LPCWSTR szAssemblyName)
 557 {
 558     LPWSTR str, save;
 559     LPWSTR ptr, ptr2;
 560     HRESULT hr = S_OK;
 561     BOOL done = FALSE;
 562
 563     if (!szAssemblyName)
 564         return S_OK;
 565
 566     name->displayname = strdupW(szAssemblyName);
 567     if (!name->displayname)
 568         return E_OUTOFMEMORY;
 569
 570     str = strdupW(szAssemblyName);
 571     save = str;
 572     if (!str)
 573     {
 574         hr = E_OUTOFMEMORY;
 575         goto done;
 576     }
 577
 578     ptr = strchrW(str, ',');
 579     if (ptr) *ptr = '\0';
 580
 581     /* no ',' but ' ' only */
 582     if( !ptr && strchrW(str, ' ') )
 583     {
 584         hr = FUSION_E_INVALID_NAME;
 585         goto done;
 586     }
 587
 588     name->name = strdupW(str);
 589     if (!name->name)
 590     {
 591         hr = E_OUTOFMEMORY;
 592         goto done;
 593     }
 594
 595     if (!ptr)
 596         goto done;
 597
 598     str = ptr + 2;
 599     while (!done)
 600     {
 601         ptr = strchrW(str, '=');
 602         if (!ptr)
 603         {
 604             hr = FUSION_E_INVALID_NAME;
 605             goto done;
 606         }
 607
 608         *(ptr++) = '\0';
 609         if (!*ptr)
 610         {
 611             hr = FUSION_E_INVALID_NAME;
 612             goto done;
 613         }
 614
 615         if (!(ptr2 = strstrW(ptr, separator)))
 616         {
 617             if (!(ptr2 = strchrW(ptr, '\0')))
 618             {
 619                 hr = FUSION_E_INVALID_NAME;
 620                 goto done;
 621             }
 622
 623             done = TRUE;
 624         }
 625
 626         *ptr2 = '\0';
 627
 628         while (*str == ' ') str++;
 629
 630         if (!lstrcmpW(str, version))
 631             hr = parse_version(name, ptr);
 632         else if (!lstrcmpW(str, culture))
 633             hr = parse_culture(name, ptr);
 634         else if (!lstrcmpW(str, pubkey))
 635             hr = parse_pubkey(name, ptr);
 636         else if (!lstrcmpW(str, procarch))
 637         {
 638             name->procarch = strdupW(ptr);
 639             if (!name->procarch)
 640                 hr = E_OUTOFMEMORY;
 641         }
 642
 643         if (FAILED(hr))
 644             goto done;
 645
 646         str = ptr2 + 1;
 647     }
 648
 649 done:
 650     HeapFree(GetProcessHeap(), 0, save);
 651     if (FAILED(hr))
 652     {
 653         HeapFree(GetProcessHeap(), 0, name->displayname);
 654         HeapFree(GetProcessHeap(), 0, name->name);
 655     }
 656     return hr;
 657 }
 658
 659 /******************************************************************
 660  *  CreateAssemblyNameObject   (FUSION.@)
 661  */
 662 HRESULT WINAPI CreateAssemblyNameObject(LPASSEMBLYNAME *ppAssemblyNameObj,
 663                                         LPCWSTR szAssemblyName, DWORD dwFlags,
 664                                         LPVOID pvReserved)
 665 {
 666     IAssemblyNameImpl *name;
 667     HRESULT hr;
 668
 669     TRACE("(%p, %s, %08x, %p) stub!\n", ppAssemblyNameObj,
 670           debugstr_w(szAssemblyName), dwFlags, pvReserved);
 671
 672     if (!ppAssemblyNameObj)
 673         return E_INVALIDARG;
 674
 675     if ((dwFlags & CANOF_PARSE_DISPLAY_NAME) &&
 676         (!szAssemblyName || !*szAssemblyName))
 677         return E_INVALIDARG;
 678
 679     name = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IAssemblyNameImpl));
 680     if (!name)
 681         return E_OUTOFMEMORY;
 682
 683     name->IAssemblyName_iface.lpVtbl = &AssemblyNameVtbl;
 684     name->ref = 1;
 685
 686     hr = parse_display_name(name, szAssemblyName);
 687     if (FAILED(hr))
 688     {
 689         HeapFree(GetProcessHeap(), 0, name);
 690         return hr;
 691     }
 692
 693     *ppAssemblyNameObj = &name->IAssemblyName_iface;
 694
 695     return S_OK;
 696 }