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Viewing changes to storage/innobase/dyn/dyn0dyn.c

  • Committer: Elan Ruusamäe
  • Date: 2008-12-04 19:38:26 UTC
  • mfrom: (644 drizzle)
  • mto: (641.3.10 devel)
  • mto: This revision was merged to the branch mainline in revision 649.
  • Revision ID: glen@haarber.alkohol.ee-20081204193826-xxyhd45ag121pf3z
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storage/innobase/dyn/dyn0dyn.c
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/******************************************************
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The dynamically allocated array
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(c) 1996 Innobase Oy
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Created 2/5/1996 Heikki Tuuri
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*******************************************************/
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#include "dyn0dyn.h"
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#ifdef UNIV_NONINL
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#include "dyn0dyn.ic"
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#endif
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/****************************************************************
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Adds a new block to a dyn array. */
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UNIV_INTERN
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dyn_block_t*
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dyn_array_add_block(
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/*================*/
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                                /* out: created block */
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        dyn_array_t*    arr)    /* in: dyn array */
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{
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        mem_heap_t*     heap;
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        dyn_block_t*    block;
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        ut_ad(arr);
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        ut_ad(arr->magic_n == DYN_BLOCK_MAGIC_N);
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        if (arr->heap == NULL) {
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                UT_LIST_INIT(arr->base);
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                UT_LIST_ADD_FIRST(list, arr->base, arr);
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                arr->heap = mem_heap_create(sizeof(dyn_block_t));
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        }
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        block = dyn_array_get_last_block(arr);
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        block->used = block->used | DYN_BLOCK_FULL_FLAG;
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        heap = arr->heap;
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        block = mem_heap_alloc(heap, sizeof(dyn_block_t));
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        block->used = 0;
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        UT_LIST_ADD_LAST(list, arr->base, block);
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        return(block);
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}