If pszTypeName is too small to hold the type name in

CryptEnumProviderTypes, return ERROR_MORE_DATA.

If pszTypeName is too small to hold the type name in
a26b7e30 · James Hawkins · Alexandre Julliard · 94536475 · a26b7e30
Commit a26b7e30 authored Aug 17, 2004 by James Hawkins Committed by Alexandre Julliard Aug 17, 2004
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crypt.c dlls/advapi32/crypt.c +6 -1

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--- a/dlls/advapi32/crypt.c
+++ b/dlls/advapi32/crypt.c
@@ -1077,6 +1077,7 @@ BOOL WINAPI CryptEnumProviderTypesA (DWORD dwIndex, DWORD *pdwReserved,
 	HKEY hKey, hSubkey;
 	DWORD keylen, numkeys, dwType;
 	PSTR keyname, ch;
+	DWORD result;

 	TRACE("(%ld, %p, %08ld, %p, %p, %p)\n", dwIndex, pdwReserved,
 		dwFlags, pdwProvType, pszTypeName, pcbTypeName);
@@ -1105,7 +1106,11 @@ BOOL WINAPI CryptEnumProviderTypesA (DWORD dwIndex, DWORD *pdwReserved,
 	*pdwProvType += (*(--ch) - '0') * 10;
 	*pdwProvType += (*(--ch) - '0') * 100;
 	CRYPT_Free(keyname);
-	RegQueryValueExA(hSubkey, "TypeName", NULL, &dwType, pszTypeName, pcbTypeName);
+	
+	result = RegQueryValueExA(hSubkey, "TypeName", NULL, &dwType, pszTypeName, pcbTypeName);
+	if (result)
+		CRYPT_ReturnLastError(result);
+
 	RegCloseKey(hSubkey);
 	RegCloseKey(hKey);
 	return TRUE;