90e8287f43
result, so after the first call for any node, it simply tests and
returns a pointer. This also fixes the problem of buffer conflicts
with make_string.
Added SGPropertyNode::hasChild(const char * name, int index = 0) to
provide a syntactically-cleaner way to test for the existence of a
child node, i.e.
for (int i = 0; i < 9; i++) {
if (node->hasChild("foo", i))
foo[i] = node->getChild("foo", i)->getDoubleValue();
}
[ Nothing here at this time. ]