Don't ignore setsockopt return value

PUBLISHED_FROM=f3c1fcf015f6f72eca2eb3d5dad469cd66a837a9

Don't ignore setsockopt return value
PUBLISHED_FROM=f3c1fcf015f6f72eca2eb3d5dad469cd66a837a9
33f53ab0 · Dmitry Frank · Cesanta Bot · bd15ad43 · 33f53ab0
Commit 33f53ab0 authored Jan 30, 2018 by Dmitry Frank Committed by Cesanta Bot Jan 30, 2018
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Showing with 5 additions and 2 deletions

mongoose.c mongoose.c +5 -2

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--- a/mongoose.c
+++ b/mongoose.c
@@ -3450,8 +3450,11 @@ void mg_socket_if_connect_udp(struct mg_connection *nc) {
  }
  if (nc->flags & MG_F_ENABLE_BROADCAST) {
    int optval = 1;
-    setsockopt(nc->sock, SOL_SOCKET, SO_BROADCAST, (const char *) &optval,
+    if (setsockopt(nc->sock, SOL_SOCKET, SO_BROADCAST, (const char *) &optval,
-               sizeof(optval));
+                   sizeof(optval)) < 0) {
+      nc->err = mg_get_errno() ? mg_get_errno() : 1;
+      return;
+    }
  }
  nc->err = 0;
 }