[patch 1/5] kexec debug output improvments

[Geoff Levand]

kexec debug output improvments.
 - Add better type checking for the debug output macro dfprintf().
 - Add a convenence macro dprintf().

Signed-off-by: Geoff Levand <geoffrey.levand at am.sony.com>
---
 kexec/kexec.h |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

--- kexec-tools-hacked.orig/kexec/kexec.h
+++ kexec-tools-hacked/kexec/kexec.h
@@ -217,10 +217,12 @@ int parse_iomem_single(char *str, uint64
 
 #define MAX_LINE	160
 
+#define dprintf(args...) dfprintf(stdout, args)
 #ifdef DEBUG
-#define dfprintf(args...)	do {fprintf(args);} while(0)
+#define dfprintf(_f, _args...) do {fprintf(_f, _args);} while(0)
 #else
-#define dfprintf(args...)	do { } while(0)
+static inline int __attribute__ ((format (printf, 1, 2)))
+	dfprintf(FILE *f, const char *fmt, ...) {return 0;}
 #endif
 
 #endif /* KEXEC_H */

--