[glibc] string: Hook up the default implementation on test-strncmp

[glibc] string: Hook up the default implementation on test-strncmp

[Adhemerval Zanella]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c863e33f784381c7341dc01e21c78d465e985bd6

commit c863e33f784381c7341dc01e21c78d465e985bd6
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Fri Jan 20 17:50:41 2023 -0300

    string: Hook up the default implementation on test-strncmp
    
    Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

Diff:
---
 string/test-strncmp.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/string/test-strncmp.c b/string/test-strncmp.c
index fb4c6420b8..35dc496eae 100644
--- a/string/test-strncmp.c
+++ b/string/test-strncmp.c
@@ -90,6 +90,22 @@ typedef int (*proto_t) (const CHAR *, const CHAR *, size_t);
 
 IMPL (STRNCMP, 1)
 
+/* Also check the default implementation.  */
+#undef STRNCMP
+#undef libc_hidden_builtin_def
+#define libc_hidden_builtin_def(a)
+#undef attribute_hidden
+#define attribute_hidden
+#ifndef WIDE
+# define STRNCMP __strncmp_default
+# include "string/strncmp.c"
+# define STRNCMP_DEFAULT STRNCMP
+#else
+# define WCSNCMP __wcsncmp_default
+# include "wcsmbs/wcsncmp.c"
+# define STRNCMP_DEFAULT WCSNCMP
+#endif
+IMPL (STRNCMP_DEFAULT, 1)
 
 static int
 check_result (impl_t *impl, const CHAR *s1, const CHAR *s2, size_t n,