advapi32: RegGetKeySecurity needs to pass length of struct to caller.

60cb73b5 · Dan Kegel · Alexandre Julliard · a8c72b76 · 60cb73b5
Commit 60cb73b5 authored Mar 12, 2007 by Dan Kegel Committed by Alexandre Julliard Mar 13, 2007
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registry.c dlls/advapi32/registry.c +4 -1

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--- a/dlls/advapi32/registry.c
+++ b/dlls/advapi32/registry.c
@@ -2234,8 +2234,10 @@ LONG WINAPI RegGetKeySecurity( HKEY hkey, SECURITY_INFORMATION SecurityInformati
    /* FIXME: Check for valid SecurityInformation values */
-    if (*lpcbSecurityDescriptor < sizeof(SECURITY_DESCRIPTOR))
+    if (*lpcbSecurityDescriptor < sizeof(SECURITY_DESCRIPTOR)) {
+	*lpcbSecurityDescriptor = sizeof(SECURITY_DESCRIPTOR);
        return ERROR_INSUFFICIENT_BUFFER;
+    }
    FIXME("(%p,%d,%p,%d): stub\n",hkey,SecurityInformation,
          pSecurityDescriptor,lpcbSecurityDescriptor?*lpcbSecurityDescriptor:0);
@@ -2243,6 +2245,7 @@ LONG WINAPI RegGetKeySecurity( HKEY hkey, SECURITY_INFORMATION SecurityInformati
    /* Do not leave security descriptor filled with garbage */
    RtlCreateSecurityDescriptor(pSecurityDescriptor, SECURITY_DESCRIPTOR_REVISION);
+    *lpcbSecurityDescriptor = sizeof(SECURITY_DESCRIPTOR);
    return ERROR_SUCCESS;
 }