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Fix CoAP packet size calculation

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PUBLISHED_FROM=43532ec3951779d17438b457fe6de6dea8f514fd
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Ilia Penev authored and Cesanta Bot committed 2016-10-21 12:13:10 +00:00
1 parent e08b234326
commit fcc75c6a3f
1 file changed
+2 -1
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mongoose.c
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@@ -9694,7 +9694,7 @@ static uint32_t coap_calculate_packet_size(struct mg_coap_message *cm,
prev_opt_number = 0;
while (opt != NULL) {
*len += 1; /* basic delta/length */
*len += coap_get_ext_opt_size(opt->number);
*len += coap_get_ext_opt_size(opt->number - prev_opt_number);
*len += coap_get_ext_opt_size((uint32_t) opt->value.len);
/*
* Current implementation performs check if
@@ -9708,6 +9708,7 @@ static uint32_t coap_calculate_packet_size(struct mg_coap_message *cm,
return MG_COAP_ERROR | MG_COAP_OPTIOMG_FIELD;
}
*len += opt->value.len;
prev_opt_number = opt->number;
opt = opt->next;
}