This produces a warning during compilation: "warning: cannot pass
objects of non-POD type ‘struct std::string’ through ‘...’; call will
abort at runtime". However, the warning itself was a little confusing
for me, and there's always a chance of compiling with warnings turned
off.

Ivan

On Fri, Jun 18, 2010 at 12:07 PM, Bill Morris <morris@ee.ccny.cuny.edu> wrote:
> std::string foo;
>
> ...
>
> ROS_INFO("Foo: %s",foo);
> $ bin/my_node
> Illegal instruction
>
> This throws an illegal instruction during execution.
>
> ROS_INFO("Foo: %s",foo.c_str());
> Obviously works correctly.
>
> Is it possible to get this to produce a better error message?
>
>
>
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