Improve err handling in pubsub example

PUBLISHED_FROM=7660e252e1ac84bf2245718c548fb00288ff4e47

Improve err handling in pubsub example
PUBLISHED_FROM=7660e252e1ac84bf2245718c548fb00288ff4e47
bd15ad43 · Dmitry Frank · Cesanta Bot · e5b3b8ad · bd15ad43
Commit bd15ad43 authored Jan 30, 2018 by Dmitry Frank Committed by Cesanta Bot Jan 30, 2018
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publish_subscribe.c examples/publish_subscribe/publish_subscribe.c +3 -1

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--- a/examples/publish_subscribe/publish_subscribe.c
+++ b/examples/publish_subscribe/publish_subscribe.c
@@ -23,7 +23,9 @@ static void *stdin_thread(void *param) {
  // Forward all types characters to the socketpair
  while ((ch = getchar()) != EOF) {
    unsigned char c = (unsigned char) ch;
-    send(sock, (const char *) &c, 1, 0);
+    if (send(sock, (const char *) &c, 1, 0) < 0) {
+      fprintf(stderr, "Failed to send byte to the socket");
+    }
  }
  return NULL;
 }