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AP_ADSB: correct copying of callsign in Sagetech XP ADSB driver #32655

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Merged
peterbarker merged 1 commit into from
Apr 20, 2026
Merged

AP_ADSB: correct copying of callsign in Sagetech XP ADSB driver #32655

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3 changes: 2 additions & 1 deletion libraries/AP_ADSB/AP_ADSB_Sagetech.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -241,7 +241,8 @@ void AP_ADSB_Sagetech::handle_adsb_in_msg(const Packet_XP &msg)

if (msg.payload[16] != 0) {
// if string is non-null, consider it valid
memcpy(&vehicle.info, &msg.payload[16], 8);
// "The callsign, 8+null" (from the mavlink spec) means we subtract one here
memcpy(&vehicle.info.callsign, &msg.payload[16], MIN(ARRAY_SIZE(vehicle.info.callsign)-1, 8U));
vehicle.info.flags |= ADSB_FLAGS_VALID_CALLSIGN;
}

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