libs/rt-thread
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update src/device.c.

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Correct "rt_device_read()" and "rt_device_write()" comments error. They should return 0 on fail, otherwise negative.
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Jackistang 2020-08-14 18:53:29 +08:00 committed by Gitee
parent 6bf76a375c
commit 3bd2e21707
1 changed files with 2 additions and 2 deletions
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src/device.c
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@ -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.
*/