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rt_device_write/read return data type as rt_ssize_t

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rt_ssize_t can give negative error code, which follows the unix style correctly
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Meco Man
2023-02-05 18:35:33 -05:00
committed by Man, Jianting (Meco)
parent 890c1c9264
commit f58d3c5200
308 changed files with 671 additions and 685 deletions
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2
components/drivers/sensor/sensor.c
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@@ -284,7 +284,7 @@ __exit:
return RT_EOK;
}
static rt_size_t _sensor_read(rt_device_t dev, rt_off_t pos, void *buf, rt_size_t len)
static rt_ssize_t _sensor_read(rt_device_t dev, rt_off_t pos, void *buf, rt_size_t len)
{
rt_sensor_t sensor = (rt_sensor_t)dev;
rt_size_t result = 0;