crypt32: Don't fail if buffer is NULL, just return required size.

53b7babc · Juan Lang · Alexandre Julliard · 851e19b3 · 53b7babc
Commit 53b7babc authored Oct 04, 2007 by Juan Lang Committed by Alexandre Julliard Oct 05, 2007
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cert.c dlls/crypt32/cert.c +3 -1

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--- a/dlls/crypt32/cert.c
+++ b/dlls/crypt32/cert.c
@@ -2037,7 +2037,9 @@ BOOL WINAPI CertGetValidUsages(DWORD cCerts, PCCERT_CONTEXT *rghCerts,
        }
        else
        {
-            if (!rghOIDs || *pcbOIDs < cbOIDs)
+            if (!rghOIDs)
+                *pcbOIDs = cbOIDs;
+            else if (*pcbOIDs < cbOIDs)
            {
                *pcbOIDs = cbOIDs;
                SetLastError(ERROR_MORE_DATA);