From 111659cc91472d8e9837a8ab9e2d22a4f46d793d Mon Sep 17 00:00:00 2001
From: Dmitry Podgorny <pasis.ua@gmail.com>
Date: Fri, 2 Sep 2016 15:22:31 +0300
Subject: [PATCH] ctx: add workaround for ms compilers without va_copy support

---
 src/ctx.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/ctx.c b/src/ctx.c
index ec2b498..35fd36e 100644
--- a/src/ctx.c
+++ b/src/ctx.c
@@ -49,6 +49,11 @@
 #include "common.h"
 #include "util.h"
 
+/* Workaround for visual studio without va_copy support. */
+#if defined(_MSC_VER) && _MSC_VER < 1800
+#define va_copy(d,s) ((d) = (s))
+#endif
+
 /** Initialize the Strophe library.
  *  This function initializes subcomponents of the Strophe library and must
  *  be called for Strophe to operate correctly.