Add mbuf_append result check

PUBLISHED_FROM=967a7ff3684e548ddbfe92365f7718a99e14d098

Add mbuf_append result check
PUBLISHED_FROM=967a7ff3684e548ddbfe92365f7718a99e14d098
a2192ae4 · ruslanvaliullin · Cesanta Bot · 023b55f2 · a2192ae4
Commit a2192ae4 authored 7 years ago by ruslanvaliullin Committed by Cesanta Bot 7 years ago
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mongoose.c mongoose.c +1 -1

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--- a/mongoose.c
+++ b/mongoose.c
@@ -11618,7 +11618,7 @@ uint32_t mg_coap_compose(struct mg_coap_message *cm, struct mbuf *io) {

  /* saving previous lenght to handle non-empty mbuf */
  prev_io_len = io->len;
-  mbuf_append(io, NULL, packet_size);
+  if (mbuf_append(io, NULL, packet_size) == 0) return MG_COAP_ERROR;
  ptr = io->buf + prev_io_len;

  /*