Adding upstream version 1.21.upstream/1.21upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 27 insertions, 0 deletions

diff --git a/lib/wmemchr-impl.h b/lib/wmemchr-impl.h
new file mode 100644
index 0000000..55231b3
--- /dev/null
+++ b/lib/wmemchr-impl.h
@@ -0,0 +1,27 @@
+/* Search wide character array for a wide character.
+   Copyright (C) 1999, 2011-2020 Free Software Foundation, Inc.
+   Written by Bruno Haible <bruno@clisp.org>, 1999.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program 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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+wchar_t *
+wmemchr (const wchar_t *s, wchar_t c, size_t n)
+{
+  for (; n > 0; s++, n--)
+    {
+      if (*s == c)
+        return (wchar_t *) s;
+    }
+  return NULL;
+}