diff options
| author | Jackistang <[email protected]> | 2020-08-14 18:53:29 +0800 |
|---|---|---|
| committer | Gitee <[email protected]> | 2020-08-14 18:53:29 +0800 |
| commit | 3bd2e217070f46baa43bfce4b9700dd116edba6b (patch) | |
| tree | ea9a423794f54fce679aceccf0695fec4e9a16ae | |
| parent | 6bf76a375c53c1de3f1a4b1d0f7fc6506833f6dd (diff) | |
update src/device.c.
Correct "rt_device_read()" and "rt_device_write()" comments error. They should return 0 on fail, otherwise negative.
| -rw-r--r-- | src/device.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/device.c b/src/device.c index 32c06b380c..7333df8afb 100644 --- a/src/device.c +++ b/src/device.c @@ -339,7 +339,7 @@ RTM_EXPORT(rt_device_close); * @param buffer the data buffer to save read data * @param size the size of buffer * - * @return the actually read size on successful, otherwise negative returned. + * @return the actually read size on successful, otherwise zero returned. * * @note since 0.4.0, the unit of size/pos is a block for block device. */ @@ -378,7 +378,7 @@ RTM_EXPORT(rt_device_read); * @param buffer the data buffer to be written to device * @param size the size of buffer * - * @return the actually written size on successful, otherwise negative returned. + * @return the actually written size on successful, otherwise zero returned. * * @note since 0.4.0, the unit of size/pos is a block for block device. */ |