build: Comply with -Wextra compiler flag

This reduces the risk for some bugs, for instance due to
signed/unsigned mismatches and unused variables.

1 files changed, 9 insertions, 0 deletions

diff --git a/src/tools/oping/oping_server.c b/src/tools/oping/oping_server.c
index 8a5a3512..8680b11b 100644
--- a/src/tools/oping/oping_server.c
+++ b/src/tools/oping/oping_server.c
@@ -31,6 +31,9 @@
 
 void shutdown_server(int signo, siginfo_t * info, void * c)
 {
+        (void) info;
+        (void) c;
+
         switch(signo) {
         case SIGINT:
         case SIGTERM:
@@ -47,6 +50,8 @@ void * cleaner_thread(void * o)
         struct timespec now = {0, 0};
         int deadline_ms = 10000;
 
+        (void) o;
+
         while (true) {
                 clock_gettime(CLOCK_REALTIME, &now);
                 pthread_mutex_lock(&server.lock);
@@ -74,6 +79,8 @@ void * server_thread(void *o)
         if (fq == NULL)
                 return (void *) 1;
 
+        (void) o;
+
         while (true) {
                 int ret = flow_event_wait(server.flows, fq, &timeout);
                 if (ret == -ETIMEDOUT)
@@ -117,6 +124,8 @@ void * accept_thread(void * o)
         int fd = 0;
         struct timespec now = {0, 0};
 
+        (void) o;
+
         printf("Ouroboros ping server started.\n");
 
         while (true) {