Jabberd14-1.6.0/jabberd/lib/pool.c/pmalloc

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概要

• Jabberd14-1.6.0/jabberd/lib/pool.cにて定義

* allocate memory from a memory pool

引数

* @param p the pool to use
* @param size how much memory to allocate
* @return pointer to the allocated memory

実装

• メモリプールpool参照

void *pmalloc(pool p, int size)
{
    void *block;

    if(p == NULL)
    {
        fprintf(stderr,"Memory Leak! [pmalloc received NULL pool, unable to track allocation, exiting]\n");
        abort();
    }

    /* if there is no heap for this pool or it's a big request, just raw, I like how we clean this :) */
    if(p->heap == NULL || size > (p->heap->size / 2))
    {
	block = _retried__malloc(size);
        p->size += size;
        _pool_cleanup_append(p, _pool_free(p, _pool__free, block));
        return block;
    }

    /* we have to preserve boundaries, long story :) */
    if(size >= 4)
        while(p->heap->used&7) p->heap->used++;

    /* if we don't fit in the old heap, replace it */
    if(size > (p->heap->size - p->heap->used))
        p->heap = _pool_heap(p, p->heap->size);

    /* the current heap has room */
    block = (char *)p->heap->block + p->heap->used;
    p->heap->used += size;
    return block;
}

呼出元

Jabberd14-1.6.0/jabberd/lib/pool.c/pmalloco

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