RegEnumKeyA

[Aric Stewart]

It is possible to be given a class return buffer of NULL but given a
class return buffer size ptr (which is 0) so we cannot use the existence
of the class return buffer size ptr existence to determine if we are to
return the class in the class buffer.

-aric
-------------- next part --------------
Index: dlls/advapi32/registry.c
===================================================================
RCS file: /home/wine/wine/dlls/advapi32/registry.c,v
retrieving revision 1.30
diff -u -u -r1.30 registry.c
--- dlls/advapi32/registry.c	2001/12/05 22:18:48	1.30
+++ dlls/advapi32/registry.c	2002/01/31 14:38:07
@@ -348,18 +348,18 @@
         DWORD len, cls_len;
 
         RtlUnicodeToMultiByteSize( &len, info->Name, info->NameLength );
-        RtlUnicodeToMultiByteSize( &cls_len, (WCHAR *)(buf_ptr + info->ClassOffset),
-                                   info->ClassLength );
+        RtlUnicodeToMultiByteSize( &cls_len, (WCHAR *)(buf_ptr +
+                                    info->ClassOffset), info->ClassLength );
         if (ft) *ft = *(FILETIME *)&info->LastWriteTime;
 
-        if (len >= *name_len || (class_len && (cls_len >= *class_len)))
+        if (len >= *name_len || (class && class_len && (cls_len >= *class_len)))
             status = STATUS_BUFFER_OVERFLOW;
         else
         {
             *name_len = len;
             RtlUnicodeToMultiByteN( name, len, NULL, info->Name, info->NameLength );
             name[len] = 0;
-            if (class_len)
+            if (class && class_len)
             {
                 *class_len = cls_len;
                 if (class)