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* 概要 [#j7980619]
- [[Jabberd14-1.6.0/jabberd/lib/pool.c]]にて定義

 * allocate memory from a memory pool

* 引数 [#p3f21dd6]
 * @param p the pool to use
 * @param size how much memory to allocate
 * @return pointer to the allocated memory

* 実装 [#v0d545ab]
- メモリプール[[pool>Jabberd14-1.6.0/jabberd/lib/jabberdlib.h/struct pool_struct]]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 [#rfeda7ab]
[[Jabberd14-1.6.0/jabberd/lib/pool.c/pmalloco]]
#related