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BLE support: simplify write function

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It seems clearer to bail when list is empty...

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2017-09-20 19:19:25 -04:00
parent 16d9b0c790
commit bb1df1218d
1 changed files with 11 additions and 11 deletions
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8
core/qt-ble.cpp
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@ -151,9 +151,12 @@ dc_status_t BLEObject::write(const void *data, size_t size, size_t *actual)
} }
QList<QLowEnergyCharacteristic> list = preferredService()->characteristics(); QList<QLowEnergyCharacteristic> list = preferredService()->characteristics();
if (list.isEmpty())
return DC_STATUS_IO;
QByteArray bytes((const char *)data, (int) size); QByteArray bytes((const char *)data, (int) size);
if (!list.isEmpty()) {
const QLowEnergyCharacteristic &c = list.constFirst(); const QLowEnergyCharacteristic &c = list.constFirst();
QLowEnergyService::WriteMode mode; QLowEnergyService::WriteMode mode;
@ -166,9 +169,6 @@ dc_status_t BLEObject::write(const void *data, size_t size, size_t *actual)
preferredService()->writeCharacteristic(c, bytes, mode); preferredService()->writeCharacteristic(c, bytes, mode);
return DC_STATUS_SUCCESS; return DC_STATUS_SUCCESS;
}
return DC_STATUS_IO;
} }
dc_status_t BLEObject::read(void *data, size_t size, size_t *actual) dc_status_t BLEObject::read(void *data, size_t size, size_t *actual)