mcheck

mcheck - /* Copyright (C) 1996, 1997, 1998, 1999, 2000 Free...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: /* 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 02111­1307 USA. */ #ifndef _MCHECK_H #define _MCHECK_H #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. */ }; 1 /* 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 */ ...
View Full Document

Ask a homework question - tutors are online