From 447720b03b4ac37cbc1367bf3aad56711a30a307 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Wed, 18 May 2016 05:48:56 -0700 Subject: Clear destination buffer updated by the previous run Clear the destination buffer updated by the previous run in bench-memcpy.c and test-memcpy.c to catch the error when the following implementations do not copy anything. [BZ #19907] * benchtests/bench-memcpy.c (do_one_test): Clear the destination buffer updated by the previous run. * string/test-memcpy.c (do_one_test): Likewise. * benchtests/bench-memmove.c (do_one_test): Add a comment. * string/test-memmove.c (do_one_test): Likewise. --- string/test-memcpy.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'string/test-memcpy.c') diff --git a/string/test-memcpy.c b/string/test-memcpy.c index 2a0994ca98..cb072f8674 100644 --- a/string/test-memcpy.c +++ b/string/test-memcpy.c @@ -53,6 +53,12 @@ static void do_one_test (impl_t *impl, char *dst, const char *src, size_t len) { + size_t i; + + /* Must clear the destination buffer set by the previous run. */ + for (i = 0; i < len; i++) + dst[i] = 0; + if (CALL (impl, dst, src, len) != MEMCPY_RESULT (dst, len)) { error (0, 0, "Wrong result in function %s %p %p", impl->name, -- cgit 1.4.1