aarch64: morello: string: dummy c memchr

1 files changed, 33 insertions, 0 deletions

diff --git a/sysdeps/aarch64/morello/memchr.c b/sysdeps/aarch64/morello/memchr.c
new file mode 100644
index 0000000..f81be90
--- /dev/null
+++ b/sysdeps/aarch64/morello/memchr.c
@@ -0,0 +1,33 @@
+/* Simple memchr.
+
+   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>
+
+void *__memchr (const void *s, int c, size_t n)
+{
+  unsigned char uc = c;
+  const unsigned char *us = s;
+  for (; n > 0; n--, us++)
+    if (*us == uc)
+      return (void *) us;
+  return NULL;
+}
+
+weak_alias (__memchr, memchr)
+libc_hidden_builtin_def (memchr)