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authorH.J. Lu <hjl.tools@gmail.com>2016-05-18 05:48:56 -0700
committerH.J. Lu <hjl.tools@gmail.com>2016-05-18 05:51:59 -0700
commit447720b03b4ac37cbc1367bf3aad56711a30a307 (patch)
tree2666c0567dfddb5d4dec23c9516635e707415b71 /benchtests/bench-memmove.c
parent0014680d6a5bdeb4fe17682450105ebed19f35da (diff)
downloadglibc-447720b03b4ac37cbc1367bf3aad56711a30a307.tar.gz
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.
Diffstat (limited to 'benchtests/bench-memmove.c')
-rw-r--r--benchtests/bench-memmove.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/benchtests/bench-memmove.c b/benchtests/bench-memmove.c
index c38596b41e..3858f2ac52 100644
--- a/benchtests/bench-memmove.c
+++ b/benchtests/bench-memmove.c
@@ -70,6 +70,7 @@ do_one_test (impl_t *impl, char *dst, char *src, const char *orig_src,
size_t i, iters = INNER_LOOP_ITERS;
timing_t start, stop, cur;
+ /* This also clears the destination buffer set by the previous run. */
memcpy (src, orig_src, len);
#ifdef TEST_BCOPY
CALL (impl, src, dst, len);