63 lines
2 KiB
C
63 lines
2 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2011 Thomas Martitz
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <stdio.h>
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#include "core_alloc.h"
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#include "util.h"
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static int move_size;
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int move_callback(int handle, void* old, void* new)
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{
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move_size = (char*)old-(char*)new;
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printf("Move! %s, %p, %p, %zu\n", core_get_name(handle), old, new,
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move_size);
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return BUFLIB_CB_OK;
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}
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struct buflib_callbacks ops = {
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.move_callback = move_callback,
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.shrink_callback = NULL,
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};
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int main(void)
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{
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UT_core_allocator_init();
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int first = core_alloc("first", 20<<10);
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int second= core_alloc_ex("second", 20<<10, &ops);
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strcpy(core_get_data(second), "Here's data");
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core_free(first);
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/* should not trigger compaction, but replace the just freed one */
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int third = core_alloc("third", 20<<10);
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core_free(third);
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/* should trigger compaction since it's a bit bigger than the just freed one */
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int fourth = core_alloc("fourth", 21<<10);
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int ret = !(!strcmp(core_get_data(second), "Here's data") && move_size >= 20<<10);
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core_print_blocks(&print_simple);
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core_free(second);
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core_free(third);
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return ret;
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}
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