Playdate C memory management functions (and extras!) as macros

main.c

// usage example in your C entry file...

#include "pd_api.h"
#include "platform.h"

PlaydateAPI *pd = NULL;

int eventHandler(PlaydateAPI *playdate, PDSystemEvent event, uint32_t arg)
{
  if (event == kEventInitLua) {
    pd = playdate;
    // your code here...
  }
  return 0;
}

pd.h

#pragma once

#include "pd_api.h"

extern PlaydateAPI* pd;

// memory management
#ifndef pd_alloc
#define pd_alloc(s) pd->system->realloc(NULL, (s))
#endif
#ifndef pd_malloc
#define pd_malloc(s) pd->system->realloc(NULL, (s))
#endif
#ifndef pd_calloc
#define pd_calloc(numEls, elSize) memset(pd->system->realloc(NULL, ((numEls) * (elSize))), 0, ((numEls) * (elSize)))
#endif
#ifndef pd_realloc
#define pd_realloc pd->system->realloc
#endif
#ifndef pd_free
#define pd_free(ptr) pd->system->realloc((ptr), 0)
#endif

// loging
#ifndef pd_log
#define pd_log(s, ...) pd->system->logToConsole((s), ##__VA_ARGS__)
#endif
#ifndef pd_error
#define pd_error(s, ...) pd->system->error((s), ##__VA_ARGS__)
#endif