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Plane: add sanity check when fetching GCS_MAVLink instance

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This commit is contained in:
Peter Barker 2019-06-25 12:58:00 +10:00 committed by Andrew Tridgell
parent fab17ba3bf
commit 80c7449145
1 changed files with 12 additions and 4 deletions
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16
ArduPlane/GCS_Plane.h
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@ -13,12 +13,20 @@ public:
uint8_t num_gcs() const override { return ARRAY_SIZE(_chan); }; uint8_t num_gcs() const override { return ARRAY_SIZE(_chan); };
// return GCS link at offset ofs // return GCS link at offset ofs
GCS_MAVLINK_Plane &chan(const uint8_t ofs) override { GCS_MAVLINK_Plane &chan(uint8_t ofs) override {
if (ofs >= num_gcs()) {
AP::internalerror().error(AP_InternalError::error_t::gcs_offset);
ofs = 0;
}
return _chan[ofs]; return _chan[ofs];
}; }
const GCS_MAVLINK_Plane &chan(const uint8_t ofs) const override { const GCS_MAVLINK_Plane &chan(uint8_t ofs) const override {
if (ofs >= num_gcs()) {
AP::internalerror().error(AP_InternalError::error_t::gcs_offset);
ofs = 0;
}
return _chan[ofs]; return _chan[ofs];
}; }
protected: protected: