From 55465bd98789c10d259c31a757ea13c06e78233d Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Thu, 13 Jul 2000 18:40:43 +0000 Subject: [PATCH] (tr_freehook): Return immediately if ptr is NULL. --- malloc/mtrace.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/malloc/mtrace.c b/malloc/mtrace.c index 4e6e1e5..a812dd1 100644 --- a/malloc/mtrace.c +++ b/malloc/mtrace.c @@ -1,5 +1,5 @@ /* More debugging hooks for `malloc'. - Copyright (C) 1991,92,93,94,96,97,98,99 Free Software Foundation, Inc. + Copyright (C) 1991,92,93,94,96,97,98,99,2000 Free Software Foundation, Inc. Written April 2, 1991 by John Gilmore of Cygnus Support. Based on mcheck.c by Mike Haertel. @@ -127,6 +127,8 @@ tr_freehook (ptr, caller) __ptr_t ptr; const __ptr_t caller; { + if (ptr == NULL) + return; __libc_lock_lock (lock); tr_where (caller); /* Be sure to print it first. */ -- 2.7.4