1 files changed, 44 insertions, 0 deletions
diff --git a/src/util/compat_va_copy.h b/src/util/compat_va_copy.h
new file mode 100644
index 0000000..6a2042b
--- /dev/null
+++ b/src/util/compat_va_copy.h
@@ -0,0 +1,44 @@
+#ifndef _COMPAT_VA_COPY_H_INCLUDED_
+#define _COMPAT_VA_COPY_H_INCLUDED_
+
+/*++
+/* NAME
+/*	compat_va_copy 3h
+/* SUMMARY
+/*	compatibility
+/* SYNOPSIS
+/*	#include <compat_va_copy.h>
+/* DESCRIPTION
+/* .nf
+
+ /*
+  * C99 defines va_start and va_copy as macros, so we can probe the
+  * compilation environment with #ifdef etc. Some environments define
+  * __va_copy so we probe for that, too.
+  */
+#if !defined(va_start)
+#error "include <stdarg.h> first"
+#endif
+
+#if !defined(VA_COPY)
+#if defined(va_copy)
+#define VA_COPY(dest, src) va_copy(dest, src)
+#elif defined(__va_copy)
+#define VA_COPY(dest, src) __va_copy(dest, src)
+#else
+#define VA_COPY(dest, src) (dest) = (src)
+#endif
+#endif					/* VA_COPY */
+
+/* LICENSE
+/* .ad
+/* .fi
+/*	The Secure Mailer license must be distributed with this software.
+/* AUTHOR(S)
+/*	Wietse Venema
+/*	IBM T.J. Watson Research
+/*	P.O. Box 704
+/*	Yorktown Heights, NY 10598, USA
+/*--*/
+
+#endif