misc/adsb-tools
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Bad math calculating overlay start.

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This commit is contained in:
Ian Gulliver
2016-02-27 22:19:02 -08:00
parent 4237f4f8c0
commit 66d21dcad9
2 changed files with 9 additions and 5 deletions
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8
adsbus/raw.c
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@@ -48,10 +48,12 @@ bool raw_parse(struct buf *buf, struct packet *packet, void __attribute__((unuse
void raw_serialize(struct packet *packet, struct buf *buf) {
size_t payload_bytes = packet_payload_len[packet->type];
struct raw_overlay *overlay = (struct raw_overlay *) buf_at(buf, 1 + payload_bytes);
size_t overlay_start = 1 + (payload_bytes * 2);
struct raw_overlay *overlay = (struct raw_overlay *) buf_at(buf, overlay_start);
size_t total_len = overlay_start + sizeof(*overlay);
buf_chr(buf, 0) = '*';
overlay->semicolon = ';';
overlay->lf = '\n';
overlay->cr_lf = '\n';
hex_from_bin_upper(buf_at(buf, 1), packet->payload, payload_bytes);
buf->length = 1 + payload_bytes + sizeof(*overlay);
buf->length = total_len - 1;
}