Improve va_list portability
Support for va_list declared as an array (cannot be referenced
explicitly)
diff --git a/xmlwriter.c b/xmlwriter.c
index d3f29f8..2e21d1b 100644
--- a/xmlwriter.c
+++ b/xmlwriter.c
@@ -31,9 +31,8 @@
/*
* The following VA_COPY was coded following an example in
* the Samba project. It may not be sufficient for some
- * esoteric implementations of va_list (i.e. it may need
- * something involving a memcpy) but (hopefully) will be
- * sufficient for libxml2.
+ * esoteric implementations of va_list but (hopefully) will
+ * be sufficient for libxml2.
*/
#ifndef VA_COPY
#ifdef HAVE_VA_COPY
@@ -42,7 +41,12 @@
#ifdef HAVE___VA_COPY
#define VA_COPY(dest,src) __va_copy(dest, src)
#else
- #define VA_COPY(dest,src) (dest) = (src)
+ #ifndef VA_LIST_IS_ARRAY
+ #define VA_COPY(dest,src) (dest) = (src)
+ #else
+ #include <string.h>
+ #define VA_COPY(dest,src) memcpy((char *)(dest),(char *)(src),sizeof(va_list))
+ #endif
#endif
#endif
#endif