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#include <stdio.h>
#include <stdlib.h>

// C example using large static arrays.
// Meant to develop memory storage that is determined for scalable purposes.

// Size of static buffer
#define ACT_SIZE 1000000

//buffer
static unsigned char ACTIVE_BUF[ACT_SIZE];

static const unsigned char* ACTIVE_START = ACTIVE_BUF;
static const unsigned char* ACTIVE_END = ACTIVE_BUF + ACT_SIZE;

static unsigned char* ACTIVE_PTR = ACTIVE_BUF;

// Fast functions to move the internal pointer.
static inline void
Active_inc(void)
{
  ACTIVE_PTR++;
}

static inline void
Active_dec(void)
{
  ACTIVE_PTR--;
}

// Writes any pointer into the active buffer.
void Active_write(void* item, size_t size)
{
  unsigned char* reader = item;
  if(size > (ACTIVE_END - ACTIVE_PTR)) return;
  while(item--)
  {
    *ACTIVE_PTR++ = *reader++;
  }
}

int main(void)
{
  printf("The active pointer is at %p\n", ACTIVE_PTR);
  Active_inc();
  printf("The active pointer is at %p\n", ACTIVE_PTR);
  return 0;
}