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31378bd6fc
The GPL-2.1+ SPDX License Identifier doesn't exist, but luckily the full license text was available which shows that GPL-2.1+ was a typo and it should have been LGPL-2.1-or-later. As the '+' in LGPL-2.1+ is deprecated in SPDX 3.0, use the preferred identifier, which is '-or-later'. Normally the full license header is removed when switching to SPDX License Identifiers, so do that now. Signed-off-by: Diederik de Haas <didi.debian@cknow.org>
40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 1996-2024 Free Software Foundation, Inc.
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* This file is part of the GNU C Library.
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*/
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#ifndef _MCHECK_H
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#define _MCHECK_H 1
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/*
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* Return values for `mprobe': these are the kinds of inconsistencies that
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* `mcheck' enables detection of.
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*/
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enum mcheck_status {
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MCHECK_DISABLED = -1, /* Consistency checking is not turned on. */
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MCHECK_OK, /* Block is fine. */
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MCHECK_FREE, /* Block freed twice. */
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MCHECK_HEAD, /* Memory before the block was clobbered. */
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MCHECK_TAIL /* Memory after the block was clobbered. */
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};
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typedef void (*mcheck_abortfunc_t)(enum mcheck_status, const void *p);
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int mcheck(mcheck_abortfunc_t func);
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/*
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* Similar to `mcheck' but performs checks for all block whenever one of
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* the memory handling functions is called. This can be very slow.
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*/
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int mcheck_pedantic(mcheck_abortfunc_t f);
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/* Force check of all blocks now. */
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void mcheck_check_all(void);
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/*
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* Check for aberrations in a particular malloc'd block. These are the
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* same checks that `mcheck' does, when you free or reallocate a block.
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*/
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enum mcheck_status mprobe(void *__ptr);
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#endif
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