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Commit 375f0ee7 authored by Pavel Vainerman's avatar Pavel Vainerman
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(ComPort485F): added error handling for read.

parent e8a25d0f
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src/Communications/ComPort485F.cc
View file @ 375f0ee7
......@@ -125,6 +125,9 @@ unsigned char ComPort485F::m_receiveByte( bool wait )
{
rc = ::read(fd, tbuf, sizeof(tbuf));
if( rc < 0 && errno != EAGAIN )
break;
if( rc > 0 )
{
if( remove_echo(tbuf, rc) )
......@@ -144,6 +147,9 @@ unsigned char ComPort485F::m_receiveByte( bool wait )
{
rc = ::read(fd, tbuf, sizeof(tbuf));
if( rc < 0 && errno != EAGAIN )
break;
if( rc > 0 )
{
if( remove_echo(tbuf, rc) )
......@@ -302,6 +308,9 @@ void ComPort485F::m_read( timeout_t tmsec )
{
rc = ::read(fd, tbuf, sizeof(tbuf));
if( rc < 0 && errno != EAGAIN )
break;
if( rc > 0 )
{
if( remove_echo(tbuf, rc) )
......
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