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-rw-r--r--string/test-memchr.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/string/test-memchr.c b/string/test-memchr.c
index c233ead5dd..cd9a01e3da 100644
--- a/string/test-memchr.c
+++ b/string/test-memchr.c
@@ -1,5 +1,5 @@
/* Test and measure memchr functions.
- Copyright (C) 1999, 2002, 2003, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1999, 2002, 2003, 2005, 2009 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Jakub Jelinek <jakub@redhat.com>, 1999.
@@ -144,7 +144,12 @@ do_random_tests (void)
}
if (pos < len)
- result = (char *) (p + pos + align);
+ {
+ size_t r = random ();
+ if ((r & 31) == 0)
+ len = ~(uintptr_t) (p + align) - ((r >> 5) & 31);
+ result = (char *) (p + pos + align);
+ }
else
result = NULL;