1 files changed, 32 insertions, 0 deletions
diff --git a/lib/unistr/u32-chr.c b/lib/unistr/u32-chr.c
new file mode 100644
index 0000000..ac99cad
--- /dev/null
+++ b/lib/unistr/u32-chr.c
@@ -0,0 +1,32 @@
+/* Search character in piece of UTF-32 string.
+   Copyright (C) 1999, 2002, 2006, 2009-2023 Free Software Foundation, Inc.
+   Written by Bruno Haible <bruno@clisp.org>, 2002.
+
+   This file 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.
+
+   This file 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 this program.  If not, see <https://www.gnu.org/licenses/>.  */
+
+#include <config.h>
+
+/* Specification.  */
+#include "unistr.h"
+
+uint32_t *
+u32_chr (const uint32_t *s, size_t n, ucs4_t uc)
+{
+  for (; n > 0; s++, n--)
+    {
+      if (*s == uc)
+        return (uint32_t *) s;
+    }
+  return NULL;
+}