void *
cmd_realloc_dbg(void *ptr, size_t size, const char *file, int line)
{
size_t prev_size;
void *newptr = NULL;
if (ptr == NULL)
return cmd_alloc_dbg(size, file, line);
if (size == 0)
{
cmd_free_dbg(ptr, file, line);
return NULL;
}
ptr = get_base_ptr(ptr);
prev_size = ((palloc_info)ptr)->size;
check_redzone(ptr, file, line);
del_mem_from_list(ptr);
newptr = realloc(ptr, calculate_size_with_redzone(size));
if (newptr != NULL)
{
allocated_memory += size - prev_size;
add_mem_to_list(newptr);
newptr = write_redzone(newptr, size, file, line);
}
else
add_mem_to_list(ptr);
return newptr;
}
void
cmd_checkbuffer_dbg(void *ptr, const char *file, int line)
{
if (ptr != NULL)
{
ptr = get_base_ptr(ptr);
check_redzone(ptr, file, line);
}
}
static int is_value_pointer(value_t v, value_t* heap) {
value_t *p = addr_v_to_p(v);
if (!(p >= heap + bitmap_size && p < heap + region_size))
return 0;
unsigned int value;
char *base_ptr = get_base_ptr(p, &value, heap);
return !!(*base_ptr & (1 << value));
}
void
cmd_free_dbg(void *ptr, const char *file, int line)
{
if (ptr != NULL)
{
ptr = get_base_ptr(ptr);
check_redzone(ptr, file, line);
allocations--;
allocated_memory -= ((palloc_info)ptr)->size;
del_mem_from_list(ptr);
}
free(ptr);
}
static void set_addr_is_pointer(value_t *v, value_t* heap) {
unsigned int value;
char *base_ptr = get_base_ptr(v, &value, heap);
*base_ptr |= (1 << value);
}
