talloc.h

#include <stdlib.h>
#include "value.h"

#ifndef _TALLOC
#define _TALLOC

/* Replacement for malloc that stores the pointers allocated. It should store
 * the pointers in some kind of list; a linked list would do fine, but insert
 * here whatever code you'll need to do so; don't call functions in the
 * pre-existing linkedlist.h. Otherwise you'll end up with circular
 * dependencies, since you're going to modify the linked list to use talloc. */
void *talloc(size_t size);

/* Free all pointers allocated by talloc, as well as whatever memory you
 * allocated in lists to hold those pointers. */
void tfree();

/* Replacement for the C function "exit", that consists of two lines: it calls
 * tfree before calling exit. It's useful to have later on; if an error happens,
 * you can exit your program, and all memory is automatically cleaned up. */
void texit(int status);

/* Returns the amount of memory currently in use by talloc, including the memory
 * used to store the talloc active list.  Does not compensate for alignment;
 * that is, calling malloc(1) will in reality allocate more than 1 byte on the
 * heap, but this function only returns the amount of memory requested through
 * talloc, in this case 1, in addition to the memory needed for the list itself.
 * Similarly, internal and external fragmentation are not accounted for with
 * respect to Value structs, which are 4+8+8 bytes, which will likely be allocated
 * as either 24 or 32 bytes total. */
size_t tallocMemoryCount();

#endif