tests: examples: print error if buffer is not valid in wpipc-client

If we lose connection with the server while a request was pending, the request
callback is still triggered but with NULL buffer.

Signed-off-by: George Kiagiadakis <george.kiagiadakis@collabora.com>

1 files changed, 10 insertions, 5 deletions

diff --git a/src/icipc-client.c b/src/icipc-client.c
index aa71b1f..587878c 100644
--- a/src/icipc-client.c
+++ b/src/icipc-client.c
@@ -24,11 +24,16 @@ reply_handler (struct icipc_sender *self, const uint8_t *buffer, size_t size, vo
 {
   struct client_data *data = p;
   const char *error = NULL;
-  const struct spa_pod *pod = icipc_client_send_request_finish (self, buffer, size, &error);
-  if (!pod)
-    printf ("error: %s\n", error ? error : "unknown");
-  else
-    printf ("success!\n");
+
+  if (buffer) {
+    const struct spa_pod *pod = icipc_client_send_request_finish (self, buffer, size, &error);
+    if (!pod)
+      printf ("error: %s\n", error ? error : "unknown");
+    else
+      printf ("success!\n");
+  } else {
+    printf ("error: lost connection with server\n");
+  }
 
   /* signal reply received */
   pthread_mutex_lock (&data->mutex);