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Avoid coredump on "untracked" aircraft (icao 000000)

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Clean up the first-message-squelch logic a little.
This commit is contained in:
Oliver Jowett 2018-02-23 18:21:01 +00:00
parent 04b940d45b
commit 94824fbb98
1 changed files with 4 additions and 5 deletions
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9
mode_s.c
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@ -2106,14 +2106,13 @@ void useModesMessage(struct modesMessage *mm) {
// forward messages when we have seen two of them. // forward messages when we have seen two of them.
if (Modes.net) { if (Modes.net) {
if (Modes.net_verbatim || mm->msgtype == 32) { if (Modes.net_verbatim || mm->msgtype == 32 || !a) {
// Unconditionally send // Unconditionally send
modesQueueOutput(mm, a); modesQueueOutput(mm, a);
} else if (a->messages > 1) { } else if (a->messages > 1) {
// If this is the second message, and we // Suppress the first message. When we receive a second message,
// squelched the first message, then re-emit the // emit the first two messages.
// first message now. if (a->messages == 2) {
if (!Modes.net_verbatim && a && a->messages == 2) {
modesQueueOutput(&a->first_message, a); modesQueueOutput(&a->first_message, a);
} }
modesQueueOutput(mm, a); modesQueueOutput(mm, a);