Testing cmocka malloc / free wrapping

code.(c|h) represents the projects source and is build as library. The fuction foo allocates memory. Comment out the free call to create a memory leak.

test.c is the cmocka test code. It calls foo

The test executable reuses the objects from the library and wrapps all malloc / calloc / realloc / free calls to the cmocka test ones.

Run

  $ meson build
  $ ninja -C build test  // the test suite terminates successfull
  // comment out the `free` call in `code.c`
  $ ninja -C build test  // the test suite fails now

Notes

The shell.nix is setting up the environment with NIX. You don't need it. Just install the listed packages.