#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "lalloc.h"

void debug_alloc(const LAlloc *allocator)
{
    puts("--debug start--");
    for (LBlockHeader *b = allocator->heap_start; b; b = lblock_from_offset(allocator, b->next)) {
        printf("Block size %u free %d prev %u next %u \n", lblock_size(b), lblock_is_free(b), b->prev, b->next);
    }
    puts("--debug end--");
}

[[gnu::aligned(16)]] char buff[1023];
int main(void)
{
    printf("bh size %zu\n", sizeof(LBlockHeader));
#define SZ 64
    LAlloc a;
    char *ptrs[SZ];

    lalloc_init(&a, buff, sizeof(buff));
    debug_alloc(&a);
    ptrs[0] = lalloc(&a, 1023 - 16 * 2 - 144);
    ptrs[1] = lalloc(&a, 80);
    ptrs[2] = lalloc(&a, 32);
    debug_alloc(&a);
    lfree(&a, ptrs[0]);
    ptrs[3] = lalloc(&a, 12);
    ptrs[4] = lalloc(&a, 12);
    debug_alloc(&a);

    lfree(&a, ptrs[1]);
    lfree(&a, ptrs[2]);
    lfree(&a, ptrs[3]);
    lfree(&a, ptrs[4]);

    for (int i = 0; i < SZ; i++) {
        ptrs[i] = lalloc(&a, rand() % 256 + 1);
    }

    for (int i = 0; i < SZ; i++) {
        // if (rand() % 2 == 0) {
        lfree(&a, ptrs[i]);
        // }
    }
    debug_alloc(&a);
}