[PATCH 2/4] Microsoft Visual C patches

[Andrei Errapart <andrei-VvktuG2w+SIZux3j3Bed6fC9HSW9iNxf@public.gmane.org>]

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commit 8216d97ee62aadac330c9ff85f3775fcd3c760d3
Author: Andrei Errapart <andrei-VvktuG2w+SIZux3j3Bed6fC9HSW9iNxf@public.gmane.org>
Date:   Wed Jun 18 18:07:04 2014 +0200

    Work around MSVC limitations:
    1) No variadic macros in the form "args..."; this is a GCC extension.
    2) No empty struct initializers. In any case, there is very little to win: { } vs. { 0 }.
    Signed-off-by: Andrei Errapart <andrei-VvktuG2w+SIZux3j3Bed6fC9HSW9iNxf@public.gmane.org>

diff --git a/dtc.h b/dtc.h
index 20de073..56212c8 100644
--- a/dtc.h
+++ b/dtc.h
@@ -38,9 +38,9 @@
 #include "util.h"
 
 #ifdef DEBUG
-#define debug(fmt,args...)	printf(fmt, ##args)
+#define debug(...)	printf(__VA_ARGS__)
 #else
-#define debug(fmt,args...)
+#define debug(...)
 #endif
 
 
@@ -88,7 +88,7 @@ struct data {
 };
 
 
-#define empty_data ((struct data){ /* all .members = 0 or NULL */ })
+#define empty_data ((struct data){ 0 /* all .members = 0 or NULL */ })
 
 #define for_each_marker(m) \
 	for (; (m); (m) = (m)->next)