Fix __warn_unused_result__, add more of it and fix the resulting warnings.

[meshlink] / test / channels.c

diff --git a/test/channels.c b/test/channels.c
index 5dd4f428a199ffe348128e2dd75ecc9da4dd29a6..5424ae66639bf3e4929a86763a0d216339704610 100644 (file)
--- a/test/channels.c
+++ b/test/channels.c
@@ -32,7 +32,7 @@ static void b_receive_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, c
        fwrite(data, 1, len, stdout);
        printf("\n");
        // Echo the data back.
-       meshlink_channel_send(mesh, channel, data, len);
+       assert(meshlink_channel_send(mesh, channel, data, len) == (ssize_t)len);
 }
 
 static bool reject_cb(meshlink_handle_t *mesh, meshlink_channel_t *channel, uint16_t port, const void *data, size_t len) {