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authorH.J. Lu <hjl.tools@gmail.com>2022-02-17 08:10:35 -0800
committerH.J. Lu <hjl.tools@gmail.com>2022-02-17 11:04:12 -0800
commitaa5a720056d37cf24924c138a3dbe6dace98e97c (patch)
treebe4da046376e5b203cb0fd53af0ed75992af713d /string
parentbbe199b27aa52fc407db3372af00c3e9ffa20d1d (diff)
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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>
Diffstat (limited to 'string')
-rw-r--r--string/test-strncmp.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/string/test-strncmp.c b/string/test-strncmp.c
index df7cea4068..1a87f0e73e 100644
--- a/string/test-strncmp.c
+++ b/string/test-strncmp.c
@@ -446,6 +446,18 @@ check4 (void)
 }
 
 static void
+check5 (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);
+}
+
+static void
 check_overflow (void)
 {
   size_t i, j, of_mask, of_idx;
@@ -569,6 +581,7 @@ test_main (void)
   check2 ();
   check3 ();
   check4 ();
+  check5 ();
 
   printf ("%23s", "");
   FOR_EACH_IMPL (impl, 0)