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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.18.0/] [newlib/] [libc/] [sys/] [linux/] [include/] [mcheck.h] - Rev 207

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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.  */
 
/* Modified for newlib, July 9, 2002 by Jeff Johnston */
 
#ifndef _MCHECK_H
#define _MCHECK_H	1
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* 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));
 
/* 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));
 
/* 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);
 
#ifdef __cplusplus
}
#endif
 
#endif /* mcheck.h */
 

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