1 files changed, 7 insertions, 1 deletions
diff --git a/tests/pthread.l b/tests/pthread.l
index 1084321..985d214 100644
--- a/tests/pthread.l
+++ b/tests/pthread.l
@@ -78,9 +78,13 @@ static int process_text(char* s, yyscan_t  scanner);
 <INITIAL,STATE_1,STATE_2>[[:space:]\r\n]+  { }
 %%
 
-int yywrap( yyscan_t  scanner) { return 1; }
+int yywrap( yyscan_t  scanner) {
+    (void)scanner;
+    return 1;
+}
 static int process_text(char* s, yyscan_t  scanner)
 {
+    (void)scanner;
     return (int)(*s) + (int) *(s + yyget_leng(scanner)-1);
 }
 
@@ -114,6 +118,8 @@ void * thread_func ( void* arg )
 {
     int i;
 
+    (void)arg;
+
     /* Wait for go-ahead. */
     pthread_mutex_lock( &go_ahead);
     pthread_mutex_unlock(&go_ahead);