You should only have to check GetLastError if the returned handle was NULL, not when it isn't NULL. You don't check to see if hndl is NULL or not. You'll need to account for the different directories when building a 64-bit application vs a 32-bit application when loading DLLs like mozglue.dll By default 64-bit Mozilla should be placed in C:\Program Files\Mozilla Firefox\ and 32-bit Mozilla in C:\Program Files (x86)\Mozilla Firefox\. If you need to support both 32-bit programs and 64-bit the easiest way is to install the 32-bit version of the Mozilla DLLs (via a 32-bit Mozilla install) and you do the same for 64-bit Mozilla. Additionally, a 32-bit process cannot load a 64-bit DLL. On 64-bit Windows, a 64-bit process cannot load a 32-bit dynamic-link library (DLL). For more information, see Running 32-bit Applications. You can run Win32-based applications on 64-bit Windows using an emulation layer. This is described in MSDN's Process Interopability information: Your first issue is that 64-bit programs can't load 32-bit DLLs and 32-bit programs can't load 64-bit DLLs for the purposes of executing code. Return !(!fpNSS_INIT || !fpNSS_Shutdown || !PK11GetInternalKeySlot || !PK11Authenticate || !PK11SDRDecrypt || !PK11FreeSlot) PK11SDRDecrypt = (PK11SDR_Decrypt)GetProcAddress(hndl, "PK11SDR_Decrypt") PK11Authenticate = (PK11_Authenticate)GetProcAddress(hndl, "PK11_Authenticate") PK11FreeSlot = (PK11_FreeSlot)GetProcAddress(hndl, "PK11_FreeSlot") PK11GetInternalKeySlot = (PK11_GetInternalKeySlot)GetProcAddress(hndl, "PK11_GetInternalKeySlot") Ss3.dll", NULL, LOAD_LIBRARY_AS_DATAFILE) įpNSS_INIT = (NSS_Init)GetProcAddress(hndl, "NSS_Init") įpNSS_Shutdown = (NSS_Shutdown)GetProcAddress(hndl, "NSS_Shutdown") Hndl = LoadLibraryExW(L"C:\\Program Files\\Mozilla Firefox Hndl = LoadLibraryExW(L"C:\\Program Files\\Mozilla Firefox\\mozglue.dll", NULL, LOAD_LIBRARY_AS_DATAFILE) PK11_GetInternalKeySlot PK11GetInternalKeySlot Typedef SECStatus(*PK11SDR_Decrypt) (SECItem *, SECItem *, void *)
Typedef SECStatus(*PK11_Authenticate) (PK11SlotInfo *, int, void *) Typedef void(*PK11_FreeSlot) (PK11SlotInfo *) Typedef PK11SlotInfo * (*PK11_GetInternalKeySlot) (void) Typedef SECStatus(*NSS_Init) (const char *) Typedef struct PK11SlotInfoStr PK11SlotInfo Now GetLastError returns 0 but GetProcAddress fails. LoadLibraryW(L"C:\\Program Files\\Mozilla Firefox\\mozglue.dll") LoadLibraryExW(L"C:\\Program Files\\Mozilla Firefox\\mozglue.dll", NULL, LOAD_LIBRARY_AS_DATAFILE) MessageBoxW(NULL, errorBuff, L"GetLastError", MB_OK) StringCbPrintfW(errorBuff, MAX_PATH, L"%d", dwError)
Hndl = LoadLibraryW(L"C:\\Program Files\\Mozilla Firefox\\mozglue.dll") LoadLibrary(mozglue.dll) works good in a 32bit windows with Mozilla FireFox 86 I installed Mozilla FireFox 圆4 in a 64bit windows, now I want to LoadLibrary(mozglue.dll) but I receive error number 193
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