source: examples/gc_no_raii/src/internal/globals.h@ bcb14b5

#pragma once

// #include <stddef.h>
// #include <stdint.h>
//
// static const size_t POOL_SIZE_EXP = 24;
// static const size_t POOL_SIZE_BYTES = 0x1 << POOL_SIZE_EXP;
// static const size_t POOL_PTR_MASK = ~(POOL_SIZE_BYTES - 1);
//
// static const size_t CARDS_SIZE_EXP = 12;
// static const size_t CARDS_SIZE_BYTES = 0x1 << CARDS_SIZE_EXP;
// static const size_t CARDS_OFFSET_MASK = (~(CARDS_SIZE_BYTES - 1)) & (POOL_SIZE_BYTES - 1);
// static const size_t CARDS_COUNT = POOL_SIZE_BYTES / CARDS_SIZE_BYTES;
//
// static const size_t OBJECT_ALLIGNMENT = sizeof(size_t);
// static const size_t OBJECT_PTR_MASK = ~(OBJECT_ALLIGNMENT - 1);

enum {
        POOL_SIZE_EXP   = 24,
        POOL_SIZE_BYTES         = 0x1 << POOL_SIZE_EXP,
        POOL_PTR_MASK   = ~(POOL_SIZE_BYTES - 1),

        CARDS_SIZE_EXP  = 12,
        CARDS_SIZE_BYTES        = 0x1 << CARDS_SIZE_EXP,
        CARDS_OFFSET_MASK       = (~(CARDS_SIZE_BYTES - 1)) & (POOL_SIZE_BYTES - 1),
        CARDS_COUNT     = POOL_SIZE_BYTES / CARDS_SIZE_BYTES,

        OBJECT_ALLIGNMENT       = sizeof(size_t),
        OBJECT_PTR_MASK         = ~(OBJECT_ALLIGNMENT - 1),
};