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throw exception if environment variable is not an integer (#78)

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This commit is contained in:
Dirk Thomas 2015-08-04 18:15:26 -07:00
parent 780ddf4367
commit 69dcd0c566
1 changed files with 2 additions and 4 deletions
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6
rclcpp/include/rclcpp/node_impl.hpp
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@ -53,11 +53,9 @@ Node::Node(const std::string & node_name, context::Context::SharedPtr context)
if (ros_domain_id) { if (ros_domain_id) {
unsigned long number = strtoul(ros_domain_id, NULL, 0); unsigned long number = strtoul(ros_domain_id, NULL, 0);
if (number == (std::numeric_limits<unsigned long>::max)()) { if (number == (std::numeric_limits<unsigned long>::max)()) {
fprintf(stderr, throw std::runtime_error("failed to interpret ROS_DOMAIN_ID as integral number");
"Failed to interpret ROS_DOMAIN_ID '%s' as integral number\n", ros_domain_id);
} else {
domain_id = static_cast<size_t>(number);
} }
domain_id = static_cast<size_t>(number);
} }
auto node = rmw_create_node(name_.c_str(), domain_id); auto node = rmw_create_node(name_.c_str(), domain_id);