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 <goldstein.w.n@gmail.com>
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 <goldstein.w.n@gmail.com>
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 <skpgkp2@gmail.com>

(cherry picked from commit aa5a720056d37cf24924c138a3dbe6dace98e97c)
This commit is contained in:
H.J. Lu 2022-02-17 08:10:35 -08:00
parent f055faf801
commit a30807b7db

View File

@ -434,6 +434,18 @@ check3 (void)
}
}
static void
check4 (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)
{
@ -444,6 +456,7 @@ test_main (void)
check1 ();
check2 ();
check3 ();
check4 ();
printf ("%23s", "");
FOR_EACH_IMPL (impl, 0)