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, 7 insertions, 0 deletions

diff --git a/src/tools/cbr/cbr_server.c b/src/tools/cbr/cbr_server.c
index c5664d8b..d40ae2cb 100644
--- a/src/tools/cbr/cbr_server.c
+++ b/src/tools/cbr/cbr_server.c
@@ -48,6 +48,9 @@ pthread_cond_t  fds_signal;
 
 void shutdown_server(int signo, siginfo_t * info, void * c)
 {
+        (void) info;
+        (void) c;
+
         switch(signo) {
         case SIGINT:
         case SIGTERM:
@@ -124,6 +127,8 @@ void * worker(void * o)
 {
         int cli_fd;
 
+        (void) o;
+
         while (true) {
                 pthread_mutex_lock(&fds_lock);
                 pthread_cleanup_push((void(*)(void *)) pthread_mutex_unlock,
@@ -151,6 +156,8 @@ void * listener(void * o)
         int client_fd = 0;
         int response = 0;
 
+        (void) o;
+
         printf("Server started, interval is %ld s, timeout is %ld s.\n",
                server_settings.interval, server_settings.timeout);