jcs
/subtext
/amendments
/543
fidopkt: Do proper message/packet termination
jcs made amendment 543 5 months ago
--- fidopkt.c Tue Nov 14 17:15:08 2023
+++ fidopkt.c Wed Nov 15 08:48:09 2023
@@ -706,9 +706,13 @@ fidopkt_encode_message(struct fidopkt_message *msg, ch
off += sprintf(buf + off, " * Origin: %s\r", msg->origin);
}
- /* packets are terminated by two nulls */
- if (!grow_to_fit(&buf, &buf_size, off, 2, 2))
+ /*
+ * Messages are terminated by a null, and the whole packet is
+ * terminated by two nulls.
+ */
+ if (!grow_to_fit(&buf, &buf_size, off, 3, 3))
goto fail;
+ buf[off++] = '\0';
buf[off++] = '\0';
buf[off++] = '\0';