crypt32: Don't write to pvStructInfo if it's NULL.

3b306c8d · Huw Davies · Alexandre Julliard · ac5c7d22 · 3b306c8d
Commit 3b306c8d authored Aug 20, 2008 by Huw Davies Committed by Alexandre Julliard Aug 21, 2008
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decode.c dlls/crypt32/decode.c +3 -1

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--- a/dlls/crypt32/decode.c
+++ b/dlls/crypt32/decode.c
@@ -3942,7 +3942,9 @@ static BOOL WINAPI CRYPT_AsnDecodeSequenceOfAny(DWORD dwCertEncodingType,
                    BYTE *nextPtr;
                    DWORD i;

-                    if ((ret = CRYPT_DecodeEnsureSpace(dwFlags, pDecodePara,
+                    if (!pvStructInfo)
+                        *pcbStructInfo = bytesNeeded;
+                    else if ((ret = CRYPT_DecodeEnsureSpace(dwFlags, pDecodePara,
                     pvStructInfo, pcbStructInfo, bytesNeeded)))
                    {
                        if (dwFlags & CRYPT_DECODE_ALLOC_FLAG)