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- /* Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
- #ifndef _MCHECK_H
- #define _MCHECK_H 1
-
- #include <features.h>
-
- __BEGIN_DECLS
-
- /* Return values for `mprobe': these are the kinds of inconsistencies that
- `mcheck' enables detection of. */
- enum mcheck_status
- {
- MCHECK_DISABLED = -1, /* Consistency checking is not turned on. */
- MCHECK_OK, /* Block is fine. */
- MCHECK_FREE, /* Block freed twice. */
- MCHECK_HEAD, /* Memory before the block was clobbered. */
- MCHECK_TAIL /* Memory after the block was clobbered. */
- };
-
-
- /* Activate a standard collection of debugging hooks. This must be called
- before `malloc' is ever called. ABORTFUNC is called with an error code
- (see enum above) when an inconsistency is detected. If ABORTFUNC is
- null, the standard function prints on stderr and then calls `abort'. */
- extern int mcheck (void (*__abortfunc) (enum mcheck_status)) __THROW;
-
- /* Similar to `mcheck⤠but performs checks for all block whenever one of
- the memory handling functions is called. This can be very slow. */
- extern int mcheck_pedantic (void (*__abortfunc) (enum mcheck_status)) __THROW;
-
- /* Force check of all blocks now. */
- extern void mcheck_check_all (void);
-
- /* Check for aberrations in a particular malloc'd block. You must have
- called `mcheck' already. These are the same checks that `mcheck' does
- when you free or reallocate a block. */
- extern enum mcheck_status mprobe (void *__ptr) __THROW;
-
- /* Activate a standard collection of tracing hooks. */
- extern void mtrace (void) __THROW;
- extern void muntrace (void) __THROW;
-
- __END_DECLS
-
- #endif /* mcheck.h */
-