lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-07-28 00:21:52 +03:00
Code Activity

* malloc/arena.c (ptmalloc_init): Recognize MALLOC_PERTURB_ and call

Browse Source 
mallopt appropriately.
	* malloc/malloc.h: Define M_PERTURB.
	* malloc/malloc.c (perturb_byte): New variable.
	(alloc_perturb, free_perturb): New macros.
	(_int_malloc): Before returning, overwrite the memory if this is
	requested.
	(_int_free): Overwrite freed memory if requested.
	(mALLOPt): Handle M_PERTURB.
	* test-skeleton.c: Add call to mallopt with M_PERTURB command.
This commit is contained in:
Ulrich Drepper
2005-03-08 00:50:21 +00:00
parent a5a33449fb
commit 854278dff8
4 changed files with 72 additions and 16 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
test-skeleton.c
View File

@ -1,5 +1,5 @@
/* Skeleton for test programs.
Copyright (C) 1998,2000,2001,2002,2003,2004 Free Software Foundation, Inc.
Copyright (C) 1998,2000-2004, 2005 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
@ -20,6 +20,7 @@
#include <errno.h>
#include <getopt.h>
#include <malloc.h>
#include <search.h>
#include <signal.h>
#include <stdio.h>
@ -196,6 +197,9 @@ main (int argc, char *argv[])
unsigned int timeoutfactor = 1;
pid_t termpid;
/* Make uses of freed and uninitialized memory known. */
mallopt (M_PERTURB, 42);
#ifdef STDOUT_UNBUFFERED
setbuf (stdout, NULL);
#endif