main() {
#else
void memory_stress(void) {
#endif
size_t i;
int idx;
DEBUG_MSG( "Size of umm_heap is %d\n", sizeof(umm_heap) );
DEBUG_MSG( "Size of header is %d\n", sizeof(umm_heap[0]) );
DEBUG_MSG( "Size of nblock is %d\n", sizeof(umm_heap[0].header.used.next) );
DEBUG_MSG( "Size of pblock is %d\n", sizeof(umm_heap[0].header.used.prev) );
DEBUG_MSG( "Size of nfree is %d\n", sizeof(umm_heap[0].body.free.next) );
DEBUG_MSG( "Size of pfree is %d\n", sizeof(umm_heap[0].body.free.prev) );
//memset( umm_heap, 0, sizeof(umm_heap) );
umm_info( NULL, 1 );
for( idx=0; idx<256; ++idx )
ptr_array[idx] = (void *)NULL;
//for( idx=0; idx<6553500; ++idx ) {
for( idx=0; idx<65535; ++idx ) {
i = rand()%256;
switch( rand() % 16 ) {
case 0:
case 1:
case 2:
case 3:
case 4:
case 5:
case 6: ptr_array[i] = umm_realloc(ptr_array[i], 0);
break;
case 7:
case 8: ptr_array[i] = umm_realloc(ptr_array[i], rand()%40 );
break;
case 9:
case 10:
case 11:
case 12: ptr_array[i] = umm_realloc(ptr_array[i], rand()%100 );
break;
case 13:
case 14: ptr_array[i] = umm_realloc(ptr_array[i], rand()%200 );
break;
default: ptr_array[i] = umm_realloc(ptr_array[i], rand()%400 );
break;
}
}
umm_info( NULL, 1 );
}
/*
* Wrapper for `umm_realloc()` which performs additional checks
*/
static void *wrap_realloc(void *ptr, size_t size) {
free_blocks_check();
void *ret = umm_realloc(ptr, size);
free_blocks_check();
return ret;
}
void *pvPortRealloc(void *ptr, size_t size, const char *file, unsigned line) {
(void) file;
(void) line;
return umm_realloc(ptr, size);
}
void * ICACHE_RAM_ATTR realloc(void *mem, size_t newsize){
return umm_realloc(mem, ((newsize + 3) & ~((size_t)0x3)));
}
