1 files changed, 62 insertions, 0 deletions
diff --git a/include/iprt/stdarg.h b/include/iprt/stdarg.h
new file mode 100644
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+++ b/include/iprt/stdarg.h
@@ -0,0 +1,62 @@
+/** @file
+ * IPRT - stdarg.h wrapper.
+ */
+
+/*
+ * Copyright (C) 2006-2020 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE 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.
+ */
+
+#ifndef IPRT_INCLUDED_stdarg_h
+#define IPRT_INCLUDED_stdarg_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#ifdef IPRT_NO_CRT
+# include <iprt/types.h>
+# include <iprt/nocrt/compiler/compiler.h>
+#else
+# include <iprt/cdefs.h>
+# if defined(RT_OS_FREEBSD) && defined(_KERNEL)
+#  include <machine/stdarg.h>
+# elif defined(RT_OS_NETBSD) && defined(_KERNEL)
+#  include <sys/stdarg.h>
+# elif defined(RT_OS_SOLARIS) && defined(_KERNEL) && defined(__GNUC__)
+#  include <stdarg.h>
+#  if __GNUC__ >= 4 /* System headers refers to __builtin_stdarg_start. */
+#   define __builtin_stdarg_start __builtin_va_start
+#  endif
+# else
+#  include <stdarg.h>
+# endif
+#endif
+
+/*
+ * Older MSC versions doesn't implement va_copy.  Newer (12.0+?) ones does
+ * implement it like below, but for now it's easier to continue like for the
+ * older ones so we can more easily handle R0, RC and other weird contexts.
+ */
+#if !defined(va_copy) || defined(_MSC_VER)
+# undef  va_copy
+# define va_copy(dst, src) do { (dst) = (src); } while (0) /** @todo check AMD64 */
+#endif
+
+#endif /* !IPRT_INCLUDED_stdarg_h */
+