Fix all compiler warnings found using -Wall -W -pedantic.

[meshlink] / examples / channels.c

diff --git a/examples/channels.c b/examples/channels.c
index e56d9d1686e96ac3c2b7b7fca3c18899be541154..2059b387e803dcd140cfa083b57953b9ba585f1f 100644 (file)
--- a/examples/channels.c
+++ b/examples/channels.c
@@ -7,7 +7,9 @@
 #define CHAT_PORT 531
 
 static void log_message(meshlink_handle_t *mesh, meshlink_log_level_t level, const char *text) {
-       const char *levelstr[] = {
+       (void) mesh;
+
+       static const char *levelstr[] = {
                [MESHLINK_DEBUG] = "\x1b[34mDEBUG",
                [MESHLINK_INFO] = "\x1b[32mINFO",
                [MESHLINK_WARNING] = "\x1b[33mWARNING",
@@ -38,6 +40,9 @@ static void channel_receive(meshlink_handle_t *mesh, meshlink_channel_t *channel
 }
 
 static bool channel_accept(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {
+       (void)data;
+       (void)len;
+
        // Only accept connections to the chat port
        if(port != CHAT_PORT) {
                fprintf(stderr, "Rejected incoming channel from '%s' to port %u\n", channel->node->name, port);
@@ -57,11 +62,15 @@ static bool channel_accept(meshlink_handle_t *mesh, meshlink_channel_t *channel,
 }
 
 static void channel_poll(meshlink_handle_t *mesh, meshlink_channel_t *channel, size_t len) {
+       (void)len;
+
        fprintf(stderr, "Channel to '%s' connected\n", channel->node->name);
        meshlink_set_channel_poll_cb(mesh, channel, NULL);
 }
 
 static void node_status(meshlink_handle_t *mesh, meshlink_node_t *node, bool reachable) {
+       (void)mesh;
+
        if(reachable) {
                printf("%s joined.\n", node->name);
        } else {
@@ -139,7 +148,7 @@ static void parse_command(meshlink_handle_t *mesh, char *buf) {
                        } else {
                                printf("%zu known nodes:", nnodes);
 
-                               for(int i = 0; i < nnodes; i++) {
+                               for(size_t i = 0; i < nnodes; i++) {
                                        printf(" %s", nodes[i]->name);
                                }
 
@@ -201,7 +210,8 @@ static void parse_input(meshlink_handle_t *mesh, char *buf) {
        // Commands start with '/'
 
        if(*buf == '/') {
-               return parse_command(mesh, buf + 1);
+               parse_command(mesh, buf + 1);
+               return;
        }
 
        // Lines in the form "name: message..." set the destination node.