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test/lwip/udp/client: handle missing attributes

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Print a useful message if a manadatory config attribute is
missing and exit.

Issue #2751
This commit is contained in:
Martin Stein 2018-04-11 14:08:12 +02:00 committed by Christian Helmuth
parent 7adc7bc01a
commit 6ec8824d75
1 changed files with 4 additions and 1 deletions
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5
repos/libports/src/test/lwip/udp/client/main.cc
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@ -49,10 +49,13 @@ void Libc::Component::construct(Libc::Env &env)
Xml_node config_node = config.xml();
try { config_node.attribute("server_ip").value(&serv_addr); }
catch (...) {
error("cannot read attribute 'server_ip'");
break;
}
try { config_node.attribute("server_port").value(&port); }
catch (...) {
continue;
error("cannot read attribute 'server_port'");
break;
}
/* create server socket address */
struct sockaddr_in addr;