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When generating aircraft.json, leave space for the final line.

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Otherwise if there are only a few bytes free at the end of the loop
there's no space for the final line and it won't get appended.

Should fix mutability/dump1090#240
This commit is contained in:
Oliver Jowett 2018-12-31 11:17:28 +00:00
parent cdba7566fd
commit 9c124b3f2b
1 changed files with 1 additions and 1 deletions
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2
net_io.c
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@ -1380,7 +1380,7 @@ char *generateAircraftJson(const char *url_path, int *len) {
10 * log10((a->signalLevel[0] + a->signalLevel[1] + a->signalLevel[2] + a->signalLevel[3] + 10 * log10((a->signalLevel[0] + a->signalLevel[1] + a->signalLevel[2] + a->signalLevel[3] +
a->signalLevel[4] + a->signalLevel[5] + a->signalLevel[6] + a->signalLevel[7] + 1e-5) / 8)); a->signalLevel[4] + a->signalLevel[5] + a->signalLevel[6] + a->signalLevel[7] + 1e-5) / 8));
if (p >= end) { if ((p + 10) >= end) { // +10 to leave some space for the final line
// overran the buffer // overran the buffer
int used = line_start - buf; int used = line_start - buf;
buflen *= 2; buflen *= 2;