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Diffstat (limited to 'storage/innobase/dyn/dyn0dyn.cc')
-rw-r--r-- | storage/innobase/dyn/dyn0dyn.cc | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/storage/innobase/dyn/dyn0dyn.cc b/storage/innobase/dyn/dyn0dyn.cc new file mode 100644 index 00000000000..b157c7707f4 --- /dev/null +++ b/storage/innobase/dyn/dyn0dyn.cc @@ -0,0 +1,66 @@ +/***************************************************************************** + +Copyright (c) 1996, 2011, Oracle and/or its affiliates. All Rights Reserved. + +This program is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free Software +Foundation; version 2 of the License. + +This program is distributed in the hope that it will be useful, but WITHOUT +ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License along with +this program; if not, write to the Free Software Foundation, Inc., +51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA + +*****************************************************************************/ + +/**************************************************//** +@file dyn/dyn0dyn.cc +The dynamically allocated array + +Created 2/5/1996 Heikki Tuuri +*******************************************************/ + +#include "dyn0dyn.h" +#ifdef UNIV_NONINL +#include "dyn0dyn.ic" +#endif + +/************************************************************//** +Adds a new block to a dyn array. +@return created block */ +UNIV_INTERN +dyn_block_t* +dyn_array_add_block( +/*================*/ + dyn_array_t* arr) /*!< in: dyn array */ +{ + mem_heap_t* heap; + dyn_block_t* block; + + ut_ad(arr); + ut_ad(arr->magic_n == DYN_BLOCK_MAGIC_N); + + if (arr->heap == NULL) { + UT_LIST_INIT(arr->base); + UT_LIST_ADD_FIRST(list, arr->base, arr); + + arr->heap = mem_heap_create(sizeof(dyn_block_t)); + } + + block = dyn_array_get_last_block(arr); + block->used = block->used | DYN_BLOCK_FULL_FLAG; + + heap = arr->heap; + + block = static_cast<dyn_block_t*>( + mem_heap_alloc(heap, sizeof(dyn_block_t))); + + block->used = 0; + + UT_LIST_ADD_LAST(list, arr->base, block); + + return(block); +} |