Valgrind like tool on Mac OS 10.7 (Lion)

Question

I need a tool which helps me to find memory leaks in a c program in a similar way valgrind does. It should figures out when a program overwrites memory it should not (e.g. b

Answer 1

Valgrind 3.7.0 (released 5^th November 2011) supports Lion. http://valgrind.org