From fc89d0247d082ad0e56b3a2847c10817e6a44c3f Mon Sep 17 00:00:00 2001
From: Peter Kjellerstedt <peter.kjellerstedt@axis.com>
Date: Wed, 9 Feb 2005 09:00:28 +0000
Subject: Define va_copy for pre-C99 compilers (code taken from vfprintf.c).

---
 libc/stdio/vasprintf.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'libc/stdio/vasprintf.c')

diff --git a/libc/stdio/vasprintf.c b/libc/stdio/vasprintf.c
index 21ef8e145..1ef75df94 100644
--- a/libc/stdio/vasprintf.c
+++ b/libc/stdio/vasprintf.c
@@ -17,6 +17,19 @@
 #warning Skipping vasprintf since no vsnprintf!
 #else
 
+/* Deal with pre-C99 compilers. */
+
+#ifndef va_copy
+
+#ifdef __va_copy
+#define va_copy(A,B)	__va_copy(A,B)
+#else
+#warning Neither va_copy (C99/SUSv3) nor __va_copy is defined.  Using a simple copy instead.  But you should really check that this is appropriate...
+#define va_copy(A,B)	A = B
+#endif
+
+#endif /* va_copy */
+
 int vasprintf(char **__restrict buf, const char * __restrict format,
 			 va_list arg)
 {
-- 
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