On 10/26/21 18:26, Steven Rostedt wrote:
> On Wed, 27 Oct 2021 00:22:04 +0800
> Tao Zhou <tao.zhou@xxxxxxxxx> wrote:
>
>>> + do {
>>> + retval = read(in_fd, buffer, sizeof(buffer));
>>> + if (read <= 0)
>> check "retval" not read. Like:
>>
>> if (retval <= 0)
> OUCH! Good check.
>
> Daniel, did that not produce any warnings??
OUCH OUCH!
No warnings, no nothing.
The code actually "works" because errors are not common and the next if stops
the loop.
-- Daniel
> -- Steve
>
>
