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Fix legit stack smash.

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This commit is contained in:
Ian Gulliver
2016-02-17 11:07:18 -08:00
parent f7bdafcfae
commit c98e97d8fc
1 changed files with 2 additions and 2 deletions
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4
json.c
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@@ -16,7 +16,7 @@ void json_init() {
int json_buf_append_callback(const char *buffer, size_t size, void *data) {
struct buf *buf = data;
if (size > BUF_LEN_MAX - buf->length - 1) {
if (buf->length + size + 1 > BUF_LEN_MAX) {
return -1;
}
memcpy(buf_at(buf, buf->length), buffer, size);
@@ -51,7 +51,7 @@ static void json_serialize_mode_s_short(struct packet *packet, struct buf *buf)
static void json_serialize_mode_s_long(struct packet *packet, struct buf *buf) {
assert(packet->mlat_timestamp < MLAT_MAX);
char hexbuf[14];
char hexbuf[28];
hex_from_bin(hexbuf, packet->payload, 14);
json_t *out = json_pack("{ssss#sIsI}",
"backend_id", packet->backend->id,