COMPSCI 630 Assignment: Smash compressing allocator

Code structure:

1. libSmash.cpp: contains the definitions of malloc, free, realloc, and calloc functions with SIGSEGV handler. You should implement these.
2. SmashHeap.h: contains the SmashHeap class and C++ STL declarations.

To build the project:

1. Clone HeapLayers (https://github.com/emeryberger/Heap-Layers) to the main directory of project.
2. Clone zstd compression (https://github.com/facebook/zstd) to the main directory of project and build it according to the build instructions.
3. Execute make to build libSmash.so
4. For a debug build use make libSmash-debug.so.