1 files changed, 86 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/log/log-weak.cpp b/src/VBox/Runtime/common/log/log-weak.cpp
new file mode 100644
index 00000000..18610038
--- /dev/null
+++ b/src/VBox/Runtime/common/log/log-weak.cpp
@@ -0,0 +1,86 @@
+/* $Id: log-weak.cpp $ */
+/** @file
+ * Runtime VBox - Logger, Weak Function Pointers and related wrappers.
+ */
+
+/*
+ * Copyright (C) 2022-2023 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/log.h>
+
+
+/*********************************************************************************************************************************
+*   Global Variables                                                                                                             *
+*********************************************************************************************************************************/
+#if defined(IN_RING3) && (defined(IN_RT_STATIC) || defined(IPRT_NO_CRT))
+RTDATADECL(PFNRTLOGLOGGEREXV)               g_pfnRTLogLoggerExV;
+RTDATADECL(PFNLOGGETDEFAULTINSTANCE)        g_pfnRTLogGetDefaultInstance;
+RTDATADECL(PFNLOGGETDEFAULTINSTANCEEX)      g_pfnRTLogGetDefaultInstanceEx;
+#else
+RTDATADECL(PFNRTLOGLOGGEREXV)               g_pfnRTLogLoggerExV             = RTLogLoggerExV;
+RTDATADECL(PFNLOGGETDEFAULTINSTANCE)        g_pfnRTLogGetDefaultInstance    = RTLogGetDefaultInstance;
+RTDATADECL(PFNLOGGETDEFAULTINSTANCEEX)      g_pfnRTLogGetDefaultInstanceEx  = RTLogGetDefaultInstanceEx;
+#endif
+
+
+#if defined(IN_RING3) && (defined(IN_RT_STATIC) || defined(IPRT_NO_CRT))
+
+RTDECL(void) RTLogLoggerExWeak(PRTLOGGER pLogger, unsigned fFlags, unsigned iGroup, const char *pszFormat, ...)
+{
+    if (g_pfnRTLogLoggerExV)
+    {
+        va_list va;
+        va_start(va, pszFormat);
+        g_pfnRTLogLoggerExV(pLogger, fFlags, iGroup, pszFormat, va);
+        va_end(va);
+    }
+}
+
+
+RTDECL(void) RTLogLoggerWeak(PRTLOGGER pLogger, void *pvCallerRet, const char *pszFormat, ...)
+{
+    RT_NOREF(pvCallerRet);
+    if (g_pfnRTLogLoggerExV)
+    {
+        va_list va;
+        va_start(va, pszFormat);
+        g_pfnRTLogLoggerExV(pLogger, 0, ~0U, pszFormat, va);
+        va_end(va);
+    }
+}
+
+#endif
+