Line data    Source code

       1             : /*
       2             :  * Copyright (c) 2013, Andrea Mazzoleni. All rights reserved.
       3             :  *
       4             :  * Redistribution and use in source and binary forms, with or without
       5             :  * modification, are permitted provided that the following conditions
       6             :  * are met:
       7             :  *
       8             :  * 1. Redistributions of source code must retain the above copyright
       9             :  *    notice, this list of conditions and the following disclaimer.
      10             :  *
      11             :  * 2. Redistributions in binary form must reproduce the above copyright
      12             :  *    notice, this list of conditions and the following disclaimer in the
      13             :  *    documentation and/or other materials provided with the distribution.
      14             :  *
      15             :  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
      16             :  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      17             :  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      18             :  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
      19             :  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
      20             :  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
      21             :  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
      22             :  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
      23             :  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
      24             :  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
      25             :  * POSSIBILITY OF SUCH DAMAGE.
      26             :  */
      27             : 
      28             : #include "tommyarrayblk.h"
      29             : 
      30             : /******************************************************************************/
      31             : /* array */
      32             : 
      33           1 : void tommy_arrayblk_init(tommy_arrayblk* array)
      34             : {
      35           1 :         tommy_array_init(&array->block);
      36             : 
      37           1 :         array->count = 0;
      38           1 : }
      39             : 
      40           1 : TOMMY_API void tommy_arrayblk_done(tommy_arrayblk* array)
      41             : {
      42             :         tommy_size_t i;
      43             : 
      44       12209 :         for (i = 0; i < tommy_array_size(&array->block); ++i)
      45       12208 :                 tommy_free(tommy_array_get(&array->block, i));
      46             : 
      47           1 :         tommy_array_done(&array->block);
      48           1 : }
      49             : 
      50    50000001 : TOMMY_API void tommy_arrayblk_grow(tommy_arrayblk* array, tommy_size_t count)
      51             : {
      52             :         tommy_size_t block_max;
      53             :         tommy_size_t block_mac;
      54             : 
      55    50000001 :         if (array->count >= count)
      56           1 :                 return;
      57    50000000 :         array->count = count;
      58             : 
      59    50000000 :         block_max = (count + TOMMY_ARRAYBLK_SIZE - 1) / TOMMY_ARRAYBLK_SIZE;
      60    50000000 :         block_mac = tommy_array_size(&array->block);
      61             : 
      62    50000000 :         if (block_mac < block_max) {
      63             :                 /* grow the block array */
      64       12208 :                 tommy_array_grow(&array->block, block_max);
      65             : 
      66             :                 /* allocate new blocks */
      67       24416 :                 while (block_mac < block_max) {
      68       12208 :                         void** ptr = tommy_cast(void**, tommy_calloc(TOMMY_ARRAYBLK_SIZE, sizeof(void*)));
      69             : 
      70             :                         /* set the new block */
      71       12208 :                         tommy_array_set(&array->block, block_mac, ptr);
      72             : 
      73       12208 :                         ++block_mac;
      74             :                 }
      75             :         }
      76             : }
      77             : 
      78           1 : TOMMY_API tommy_size_t tommy_arrayblk_memory_usage(tommy_arrayblk* array)
      79             : {
      80           1 :         return tommy_array_memory_usage(&array->block) + tommy_array_size(&array->block) * TOMMY_ARRAYBLK_SIZE * sizeof(void*);
      81             : }
      82             :