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Separate backend_send from backend_sendbuffer.

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On a similar theme of separating the query operation from the
attempted change, backend_send() now no longer has the side effect of
returning the current size of the send buffer. Instead, you have to
call backend_sendbuffer() every time you want to know that.
This commit is contained in:
Simon Tatham
2021-09-12 09:52:46 +01:00
parent 82177956da
commit c336643576
15 changed files with 44 additions and 49 deletions
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6
unix/serial.c
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@ -461,17 +461,15 @@ static void serial_try_write(Serial *serial)
/*
* Called to send data down the serial connection.
*/
static size_t serial_send(Backend *be, const char *buf, size_t len)
static void serial_send(Backend *be, const char *buf, size_t len)
{
Serial *serial = container_of(be, Serial, backend);
if (serial->fd < 0)
return 0;
return;
bufchain_add(&serial->output_data, buf, len);
serial_try_write(serial);
return bufchain_size(&serial->output_data);
}
/*