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memory.c
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memory.c
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#include <stdlib.h>
#include <string.h>
#include "memory.h"
#include "vm.h"
void *reallocate(void *pointer, size_t oldSize, size_t newSize)
{
if (newSize == 0)
{
free(pointer);
return NULL;
}
void *result = realloc(pointer, newSize);
// Initialize result to 0s
// memset(result + oldSize, NULL, newSize - oldSize);
if (result == NULL)
exit(1);
return result;
}
static void freeObject(Obj *object)
{
switch (object->type)
{
case OBJ_STRING:
{
ObjString *string = (ObjString *)object;
FREE_ARRAY(char, string->chars, string->length + 1);
FREE(ObjString, object);
break;
}
}
}
void freeObjects()
{
Obj *object = vm.objects;
while (object != NULL)
{
Obj *next = object->next;
freeObject(object);
object = next;
}
}