From 70522b1c1d1ffa5e3bd55aa3c064ea93a330bde9 Mon Sep 17 00:00:00 2001 From: "H.J. Lu" Date: Thu, 17 Feb 2022 08:10:35 -0800 Subject: string: Add a testcase for wcsncmp with SIZE_MAX [BZ #28755] Verify that wcsncmp (L("abc"), L("abd"), SIZE_MAX) == 0. The new test fails without commit ddf0992cf57a93200e0c782e2a94d0733a5a0b87 Author: Noah Goldstein Date: Sun Jan 9 16:02:21 2022 -0600 x86: Fix __wcsncmp_avx2 in strcmp-avx2.S [BZ# 28755] and commit 7e08db3359c86c94918feb33a1182cd0ff3bb10b Author: Noah Goldstein Date: Sun Jan 9 16:02:28 2022 -0600 x86: Fix __wcsncmp_evex in strcmp-evex.S [BZ# 28755] This is for BZ #28755. Reviewed-by: Sunil K Pandey (cherry picked from commit aa5a720056d37cf24924c138a3dbe6dace98e97c) --- string/test-strncmp.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/string/test-strncmp.c b/string/test-strncmp.c index 042e85e399..af071bd847 100644 --- a/string/test-strncmp.c +++ b/string/test-strncmp.c @@ -403,6 +403,18 @@ check2 (void) free (s2); } +static void +check3 (void) +{ + const CHAR *s1 = L ("abc"); + CHAR *s2 = STRDUP (s1); + + FOR_EACH_IMPL (impl, 0) + check_result (impl, s1, s2, SIZE_MAX, 0); + + free (s2); +} + int test_main (void) { @@ -412,6 +424,7 @@ test_main (void) check1 (); check2 (); + check3 (); printf ("%23s", ""); FOR_EACH_IMPL (impl, 0) -- cgit 1.4.1