X-Git-Url: https://git.distorted.org.uk/~mdw/mLib/blobdiff_plain/18c831dcd0ae4d660c70ccac69d27ed2a97851be..ecfe3bffa6cc019ba7e358dbe359f10e5ce6a09d:/trace/trace.h

diff --git a/trace/trace.h b/trace/trace.h
index 77e5ed4..a7edc37 100644
--- a/trace/trace.h
+++ b/trace/trace.h
@@ -36,6 +36,10 @@
 
 #include <stdio.h>
 
+#ifndef MLIB_MACROS_H
+#  include "macros.h"
+#endif
+
 /*----- Data structures ---------------------------------------------------*/
 
 typedef struct trace_opt {
@@ -57,7 +61,8 @@ typedef struct trace_opt {
  * Use:		Reports a message to the trace output.
  */
 
-extern void trace(unsigned /*l*/, const char */*f*/, ...);
+extern void PRINTF_LIKE(2, 3)
+  trace(unsigned /*l*/, const char */*f*/, ...);
 
 /* --- @trace_block@ --- *
  *