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-rw-r--r--src/lib/openjp2/event.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/lib/openjp2/event.c b/src/lib/openjp2/event.c
index faa829e5..bf437792 100644
--- a/src/lib/openjp2/event.c
+++ b/src/lib/openjp2/event.c
@@ -66,7 +66,11 @@ _itoa(int i, char *a, int r) {
* Default callback function.
* Do nothing.
*/
-static void opj_default_callback (const char *msg, void *client_data){}
+static void opj_default_callback (const char *msg, void *client_data)
+{
+ OPJ_ARG_NOT_USED(msg);
+ OPJ_ARG_NOT_USED(client_data);
+}
/* ----------------------------------------------------------------------- */