647 #define is_small_request(nb) (nb < MAX_SMALLBIN_SIZE - SMALLBIN_WIDTH)  argument
1063 static void malloc_extend_top(INTERNAL_SIZE_T nb)  in malloc_extend_top()  argument
1065 static void malloc_extend_top(nb) INTERNAL_SIZE_T nb;  in malloc_extend_top()
1080   INTERNAL_SIZE_T    sbrk_size     = nb + top_pad + MINSIZE;
1255   INTERNAL_SIZE_T nb;  local
1270   nb = request2size(bytes);  /* padded request size; */
1274   if (is_small_request(nb))  /* Faster version for small requests */
1276     idx = smallbin_index(nb);
1294       check_malloced_chunk(victim, nb);
1303     idx = bin_index(nb);
1309       remainder_size = victim_size - nb;
1321 	check_malloced_chunk(victim, nb);
1335     remainder_size = victim_size - nb;
1339       remainder = chunk_at_offset(victim, nb);
1340       set_head(victim, nb | PREV_INUSE);
1344       check_malloced_chunk(victim, nb);
1353       check_malloced_chunk(victim, nb);
1398 	  remainder_size = victim_size - nb;
1402 	    remainder = chunk_at_offset(victim, nb);
1403 	    set_head(victim, nb | PREV_INUSE);
1408 	    check_malloced_chunk(victim, nb);
1416 	    check_malloced_chunk(victim, nb);
1458   if ( (remainder_size = chunksize(top) - nb) < (long)MINSIZE)
1463     if ((unsigned long)nb >= (unsigned long)mmap_threshold &&
1464 	(victim = mmap_chunk(nb)))
1469     malloc_extend_top(nb);
1470     if ( (remainder_size = chunksize(top) - nb) < (long)MINSIZE)
1475   set_head(victim, nb | PREV_INUSE);
1476   top = chunk_at_offset(victim, nb);
1478   check_malloced_chunk(victim, nb);
1652   INTERNAL_SIZE_T    nb;      /* padded request size */  local
1696   nb = request2size(bytes);
1702     newp = mremap_chunk(oldp, nb);
1706     if(oldsize - SIZE_SZ >= nb) return oldmem; /* do nothing */
1719   if ((long)(oldsize) < (long)(nb))
1732 	if ((long)(nextsize + newsize) >= (long)(nb + MINSIZE))
1735 	  top = chunk_at_offset(oldp, nb);
1736 	  set_head(top, (newsize - nb) | PREV_INUSE);
1737 	  set_head_size(oldp, nb);
1743       else if (((long)(nextsize + newsize) >= (long)(nb)))
1770 	  if ((long)(nextsize + prevsize + newsize) >= (long)(nb + MINSIZE))
1777 	    top = chunk_at_offset(newp, nb);
1778 	    set_head(top, (newsize - nb) | PREV_INUSE);
1779 	    set_head_size(newp, nb);
1785 	else if (((long)(nextsize + prevsize + newsize) >= (long)(nb)))
1798       if (prev != NULL && (long)(prevsize + newsize) >= (long)nb)
1835   if (newsize - nb >= MINSIZE) /* split off remainder */
1837     remainder = chunk_at_offset(newp, nb);
1838     remainder_size = newsize - nb;
1839     set_head_size(newp, nb);
1882   INTERNAL_SIZE_T    nb;      /* padded  request size */  local
1896 		nb = roundup(bytes, alignment);
1897 		return malloc_simple(nb);
1911   nb = request2size(bytes);
1912   m  = (char*)(mALLOc(nb + alignment + MINSIZE));
2001     assert (newsize >= nb && (((unsigned long)(chunk2mem(p))) % alignment) == 0);
2006   remainder_size = chunksize(p) - nb;
2010     remainder = chunk_at_offset(p, nb);
2012     set_head_size(p, nb);