110 lines
2.4 KiB
C
110 lines
2.4 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
////////////////////////////////////////////////////////////
|
|
|
|
static size_t allocated_size = 0;
|
|
|
|
static void* my_alloc(size_t s)
|
|
{
|
|
printf("Alloc called s=%lu!\n", s);
|
|
allocated_size += s;
|
|
return malloc(s);
|
|
}
|
|
|
|
static void my_free(void *ptr, size_t s)
|
|
{
|
|
printf("Free called s=%lu!\n", s);
|
|
allocated_size -= s;
|
|
free(ptr);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////
|
|
|
|
static void *last_alloc;
|
|
|
|
static void* my_array_alloc(size_t s, void *org, size_t n)
|
|
{
|
|
printf("Array Alloc called org=%p of n=%zu elements of size s=%lu!\n", org, n, s);
|
|
last_alloc = realloc(org, s*n);
|
|
return last_alloc;
|
|
}
|
|
|
|
static void my_array_free(void *ptr)
|
|
{
|
|
printf("Array Free called ptr=%p last_alloc=%p!\n", ptr, last_alloc);
|
|
if (ptr != last_alloc) {
|
|
printf("Somthing went wrong.\n");
|
|
exit(4);
|
|
}
|
|
free(ptr);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////
|
|
|
|
// Allocate for single object
|
|
# define M_MEMORY_ALLOC(type) my_alloc (sizeof (type))
|
|
# define M_MEMORY_DEL(ptr) my_free(ptr, sizeof *ptr)
|
|
|
|
// Allocate for array of objects
|
|
# define M_MEMORY_REALLOC(type, ptr, n) my_array_alloc (sizeof (type), ptr, n)
|
|
# define M_MEMORY_FREE(ptr) my_array_free(ptr)
|
|
|
|
#include "m-list.h"
|
|
#include "m-array.h"
|
|
|
|
////////////////////////////////////////////////////////////
|
|
|
|
LIST_DEF(list_int, int)
|
|
|
|
static void test_list(void)
|
|
{
|
|
printf("List demo\n");
|
|
|
|
list_int_t list;
|
|
list_int_init(list);
|
|
|
|
list_int_push_back(list, 34);
|
|
list_int_push_back(list, 34);
|
|
|
|
if (allocated_size == 0) {
|
|
printf("Nothing was allocated... Very strange...\n");
|
|
exit(1);
|
|
}
|
|
list_int_clear(list);
|
|
|
|
if (allocated_size != 0) {
|
|
printf("Nothing was freed (%lu)... Very strange...\n", allocated_size);
|
|
exit(2);
|
|
}
|
|
printf("Global custom allocator for list works!\n");
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////
|
|
|
|
ARRAY_DEF(array_int, int)
|
|
|
|
static void test_array(void)
|
|
{
|
|
printf("Array demo\n");
|
|
|
|
array_int_t array;
|
|
array_int_init(array);
|
|
|
|
array_int_push_back(array, 34);
|
|
array_int_push_back(array, 34);
|
|
|
|
array_int_clear(array);
|
|
|
|
printf("Global custom allocator for array works!\n");
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////
|
|
|
|
int main(void)
|
|
{
|
|
test_list();
|
|
test_array();
|
|
exit(0);
|
|
}
|