+/* provide replacement for C99 va_copy() if the compiler doesn't have it */
+
+/* could be already defined by configure or the user */
+#ifndef wxVaCopy
+ /* if va_copy is a macro or configure detected that we have it, use it */
+ #if defined(va_copy) || defined(HAVE_VA_COPY)
+ #define wxVaCopy va_copy
+ #else /* no va_copy, try to provide a replacement */
+ /*
+ configure tries to determine whether va_list is an array or struct
+ type, but it may not be used under Windows, so deal with a few
+ special cases.
+ */
+
+ #ifdef __WATCOMC__
+ /* Watcom uses array type for va_list except for PPC and Alpha */
+ #if !defined(__PPC__) && !defined(__AXP__)
+ #define VA_LIST_IS_ARRAY
+ #endif
+ #endif /* __WATCOMC__ */
+
+ #if defined(__PPC__) && (defined(_CALL_SYSV) || defined (_WIN32))
+ /*
+ PPC using SysV ABI and NT/PPC are special in that they use an
+ extra level of indirection.
+ */
+ #define VA_LIST_IS_POINTER
+ #endif /* SysV or Win32 on __PPC__ */
+
+ /*
+ note that we use memmove(), not memcpy(), in case anybody tries
+ to do wxVaCopy(ap, ap)
+ */
+ #if defined(VA_LIST_IS_POINTER)
+ #define wxVaCopy(d, s) memmove(*(d), *(s), sizeof(va_list))
+ #elif defined(VA_LIST_IS_ARRAY)
+ #define wxVaCopy(d, s) memmove((d), (s), sizeof(va_list))
+ #else /* we can only hope that va_lists are simple lvalues */
+ #define wxVaCopy(d, s) ((d) = (s))
+ #endif
+ #endif /* va_copy/!va_copy */
+#endif // wxVaCopy
+
+