[glibc/arm/morello/main] aarch64: morello: string: dummy c strnlen

[Szabolcs Nagy]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f0170f034ef6126dc5d33d77f248d1ed101a8e65

commit f0170f034ef6126dc5d33d77f248d1ed101a8e65
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date:   Tue Apr 26 08:19:18 2022 +0100

    aarch64: morello: string: dummy c strnlen

Diff:
---
 sysdeps/aarch64/morello/strnlen.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/sysdeps/aarch64/morello/strnlen.c b/sysdeps/aarch64/morello/strnlen.c
new file mode 100644
index 0000000000..80f5ff0508
--- /dev/null
+++ b/sysdeps/aarch64/morello/strnlen.c
@@ -0,0 +1,31 @@
+/* Simple strnlen.
+
+   Copyright (C) 2022 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public License as
+   published by the Free Software Foundation; either version 2.1 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If
+   not, see <https://www.gnu.org/licenses/>.  */
+
+#include <string.h>
+
+size_t __strnlen (const char *s, size_t m)
+{
+  size_t n;
+  for (n = 0; n < m && s[n] != 0; n++);
+  return n;
+}
+
+weak_alias (__strnlen, strnlen)
+libc_hidden_def (__strnlen)
+libc_hidden_def (strnlen)