Add:Core:Allow gcc to check dbg arguments

git-svn-id: https://navit.svn.sourceforge.net/svnroot/navit/trunk@5508 ffa7fe5e-494d-0410-b361-a75ebd5db220

1 files changed, 1 insertions, 1 deletions

diff --git a/navit/navit/debug.h b/navit/navit/debug.h
index ccb3f8ec7..6bd691c40 100644
--- a/navit/navit/debug.h
+++ b/navit/navit/debug.h
@@ -74,7 +74,7 @@ void debug_level_set(const char *name, int level);
 struct debug *debug_new(struct attr *parent, struct attr **attrs);
 int debug_level_get(const char *name);
 void debug_vprintf(int level, const char *module, const int mlen, const char *function, const int flen, int prefix, const char *fmt, va_list ap);
-void debug_printf(int level, const char *module, const int mlen, const char *function, const int flen, int prefix, const char *fmt, ...);
+void debug_printf(int level, const char *module, const int mlen, const char *function, const int flen, int prefix, const char *fmt, ...) __attribute__ ((format (printf, 7, 8)));
 void debug_assert_fail(const char *module, const int mlen, const char *function, const int flen, const char *file, int line, const char *expr);
 void debug_destroy(void);
 void debug_set_logfile(const char *path);