1 files changed, 141 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/asn1/asn1-ut-null.cpp b/src/VBox/Runtime/common/asn1/asn1-ut-null.cpp
new file mode 100644
index 00000000..9828dc51
--- /dev/null
+++ b/src/VBox/Runtime/common/asn1/asn1-ut-null.cpp
@@ -0,0 +1,141 @@
+/* $Id: asn1-ut-null.cpp $ */
+/** @file
+ * IPRT - ASN.1, NULL type.
+ */
+
+/*
+ * Copyright (C) 2006-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include "internal/iprt.h"
+#include <iprt/asn1.h>
+
+#include <iprt/err.h>
+#include <iprt/string.h>
+
+#include <iprt/formats/asn1.h>
+
+
+/*
+ * ASN.1 NULL - Special Methods.
+ */
+
+
+/*
+ * ASN.1 NULL - Standard Methods.
+ */
+
+
+RT_DECL_DATA_CONST(RTASN1COREVTABLE const) g_RTAsn1Null_Vtable =
+{
+    "RTAsn1Null",
+    sizeof(RTASN1NULL),
+    ASN1_TAG_NULL,
+    ASN1_TAGCLASS_UNIVERSAL | ASN1_TAGFLAG_PRIMITIVE,
+    0,
+    (PFNRTASN1COREVTDTOR)RTAsn1Null_Delete,
+    (PFNRTASN1COREVTENUM)RTAsn1Null_Enum,
+    (PFNRTASN1COREVTCLONE)RTAsn1Null_Clone,
+    (PFNRTASN1COREVTCOMPARE)RTAsn1Null_Compare,
+    (PFNRTASN1COREVTCHECKSANITY)RTAsn1Null_CheckSanity,
+    NULL,
+    NULL
+};
+
+
+RTDECL(int) RTAsn1Null_Init(PRTASN1NULL pThis, PCRTASN1ALLOCATORVTABLE pAllocator)
+{
+    RT_NOREF_PV(pAllocator);
+    return RTAsn1Core_InitEx(&pThis->Asn1Core, ASN1_TAG_NULL, ASN1_TAGCLASS_UNIVERSAL | ASN1_TAGFLAG_PRIMITIVE,
+                             &g_RTAsn1Null_Vtable, RTASN1CORE_F_PRESENT | RTASN1CORE_F_PRIMITE_TAG_STRUCT);
+}
+
+
+RTDECL(int) RTAsn1Null_Clone(PRTASN1NULL pThis, PCRTASN1NULL pSrc, PCRTASN1ALLOCATORVTABLE pAllocator)
+{
+    AssertPtr(pSrc); AssertPtr(pThis); AssertPtr(pAllocator); RT_NOREF_PV(pAllocator);
+    RT_ZERO(*pThis);
+    if (RTAsn1Null_IsPresent(pSrc))
+    {
+        AssertReturn(pSrc->Asn1Core.pOps == &g_RTAsn1Null_Vtable, VERR_INTERNAL_ERROR_3);
+        AssertReturn(pSrc->Asn1Core.cb == 0, VERR_INTERNAL_ERROR_4);
+
+        int rc = RTAsn1Core_CloneNoContent(&pThis->Asn1Core, &pSrc->Asn1Core);
+        if (RT_FAILURE(rc))
+            return rc;
+    }
+    return VINF_SUCCESS;
+}
+
+
+RTDECL(void) RTAsn1Null_Delete(PRTASN1NULL pThis)
+{
+    if (   pThis
+        && RTAsn1Null_IsPresent(pThis))
+    {
+        Assert(pThis->Asn1Core.pOps == &g_RTAsn1Null_Vtable);
+        RT_ZERO(*pThis);
+    }
+}
+
+
+RTDECL(int) RTAsn1Null_Enum(PRTASN1NULL pThis, PFNRTASN1ENUMCALLBACK pfnCallback, uint32_t uDepth, void *pvUser)
+{
+    RT_NOREF_PV(pThis); RT_NOREF_PV(pfnCallback); RT_NOREF_PV(uDepth); RT_NOREF_PV(pvUser);
+    Assert(pThis && (!RTAsn1Null_IsPresent(pThis) || pThis->Asn1Core.pOps == &g_RTAsn1Null_Vtable));
+
+    /* No children to enumerate. */
+    return VINF_SUCCESS;
+}
+
+
+RTDECL(int) RTAsn1Null_Compare(PCRTASN1NULL pLeft, PCRTASN1NULL pRight)
+{
+    Assert(pLeft  && (!RTAsn1Null_IsPresent(pLeft)  || pLeft->Asn1Core.pOps  == &g_RTAsn1Null_Vtable));
+    Assert(pRight && (!RTAsn1Null_IsPresent(pRight) || pRight->Asn1Core.pOps == &g_RTAsn1Null_Vtable));
+
+    return (int)RTAsn1Null_IsPresent(pLeft) - (int)RTAsn1Null_IsPresent(pRight);
+}
+
+
+RTDECL(int) RTAsn1Null_CheckSanity(PCRTASN1NULL pThis, uint32_t fFlags, PRTERRINFO pErrInfo, const char *pszErrorTag)
+{
+    RT_NOREF_PV(fFlags);
+    if (RT_UNLIKELY(!RTAsn1Null_IsPresent(pThis)))
+        return RTErrInfoSetF(pErrInfo, VERR_ASN1_NOT_PRESENT, "%s: Missing (NULL).", pszErrorTag);
+    return VINF_SUCCESS;
+}
+
+/* No NULL object collections. */
+