For people not familiar with it, Valgrind will run your program in a VM and trace memory accesses. It detects when you read from unitialized/unallocated memory,

For people not familiar with it, Valgrind will run your program in a VM and trace memory accesses. It detects when you read from unitialized/unallocated memory, don't free your memory, etc. Almost every time I have had a non-logic bug in C code, in had a corresponding warning in Valgrind.