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/* $Id: pool_signature.h 3553 2011-05-05 06:14:19Z nanang $ */
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* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
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* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#include <pj/assert.h>
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#include <pj/string.h>
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# define SIG_SIZE sizeof(pj_uint32_t)
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static void apply_signature(void *p, pj_size_t size);
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static void check_pool_signature(void *p, pj_size_t size);
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# define APPLY_SIG(p,sz) apply_signature(p,sz), \
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p=(void*)(((char*)p)+SIG_SIZE)
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# define REMOVE_SIG(p,sz) check_pool_signature(p,sz), \
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p=(void*)(((char*)p)-SIG_SIZE)
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# define SIG_BEGIN 0x600DC0DE
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# define SIG_END 0x0BADC0DE
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static void apply_signature(void *p, pj_size_t size)
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pj_memcpy(p, &sig, SIG_SIZE);
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pj_memcpy(((char*)p)+SIG_SIZE+size, &sig, SIG_SIZE);
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static void check_pool_signature(void *p, pj_size_t size)
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pj_uint8_t *mem = (pj_uint8_t*)p;
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/* Check that signature at the start of the block is still intact */
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pj_assert(!pj_memcmp(mem-SIG_SIZE, &sig, SIG_SIZE));
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/* Check that signature at the end of the block is still intact.
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* Note that "mem" has been incremented by SIG_SIZE
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pj_assert(!pj_memcmp(mem+size, &sig, SIG_SIZE));
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# define APPLY_SIG(p,sz)
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# define REMOVE_SIG(p,sz)