rockbox/firmware/test/buflib/test_shrink.c

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2011 Thomas Martitz
*
* 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; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <stdio.h>
#include "core_alloc.h"
#include "util.h"
/*
* Expected output:
-------------------
0x602520: val: 1285 (first)
0x604d48: val: -32 (<unallocated>)
0x604e48: val: 1221 (second)
0x607470: val: -32 (<unallocated>)
0x607570: val: 1285 (third)
-------------------
*/
struct buflib_callbacks ops;
int main(void)
{
UT_core_allocator_init();
int first = core_alloc("first", 10<<10);
int second = core_alloc("second", 10<<10);
int third = core_alloc("third", 10<<10);
strcpy((char*)core_get_data(second)+0x100, "foobar");
core_shrink(second, (char*)core_get_data(second)+0x100, (10<<10)-0x200);
core_print_blocks(&print_simple);
int ret = strcmp(core_get_data(second), "foobar");
core_free(first);
core_free(second);
core_free(third);
return ret;
}