Function PREFIX(malloc)

src/liballoc/liballoc.c:227–558

}

void *PREFIX(malloc)(size_t req_size)
{
    int startedBet = 0;
    unsigned long long bestSize = 0;
    void *p = NULL;
    uintptr_t diff;
    struct liballoc_major *maj;
    struct liballoc_minor *min;
    struct liballoc_minor *new_min;
    unsigned long size = req_size;

    // For alignment, we adjust size so there's enough space to align.
    if (ALIGNMENT > 1)
    {
        size += ALIGNMENT + ALIGN_INFO;
    }
    // So, ideally, we really want an alignment of 0 or 1 in order
    // to save space.

    liballoc_lock();

    if (size == 0)
    {
        l_warningCount += 1;
#if defined DEBUG || defined INFO
        printf("liballoc: WARNING: alloc( 0 ) called from %x\n",
               __builtin_return_address(0));
        FLUSH();
#endif
        liballoc_unlock();
        return PREFIX(malloc)(1);
    }

    if (l_memRoot == NULL)
    {
#if defined DEBUG || defined INFO
#    ifdef DEBUG
        printf("liballoc: initialization of liballoc " VERSION "\n");
#    endif
        atexit(liballoc_dump);
        FLUSH();
#endif

        // This is the first time we are being used.
        l_memRoot = allocate_new_page(size);
        if (l_memRoot == NULL)
        {
            liballoc_unlock();
#ifdef DEBUG
            printf("liballoc: initial l_memRoot initialization failed\n", p);
            FLUSH();
#endif
            return NULL;
        }

#ifdef DEBUG
        printf("liballoc: set up first memory major %x\n", l_memRoot);
        FLUSH();