Glibc change exposing bugs

http://valgrind.org/docs/manual/mc-manual.html#mc-manual....

Not to deprive you of the experience of doing it yourself, which can be instructive. However, you should need to reinvent the wheel if all you want is the use of the tool. At the very least, you can see how valgrind does it. As for automatically invoking it, well that's an exercise for the reader. :)