1 files changed, 114 insertions, 0 deletions
diff --git a/lib/libc/locale/wctype.c b/lib/libc/locale/wctype.c
new file mode 100644
index 000000000000..1b3ac054bc0b
--- /dev/null
+++ b/lib/libc/locale/wctype.c
@@ -0,0 +1,114 @@
+/*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2002 Tim J. Robbins.
+ * All rights reserved.
+ *
+ * Copyright (c) 2011 The FreeBSD Foundation
+ *
+ * Portions of this software were developed by David Chisnall
+ * under sponsorship from the FreeBSD Foundation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <ctype.h>
+#include <string.h>
+#include <wctype.h>
+#include <xlocale.h>
+
+#undef iswctype
+int
+iswctype(wint_t wc, wctype_t charclass)
+{
+	return (__istype(wc, charclass));
+}
+int
+iswctype_l(wint_t wc, wctype_t charclass, locale_t locale)
+{
+	return __istype_l(wc, charclass, locale);
+}
+
+/*
+ * IMPORTANT: The 0 in the call to this function in wctype() must be changed to
+ * __get_locale() if wctype_l() is ever modified to actually use the locale
+ * parameter.
+ */
+wctype_t
+wctype_l(const char *property, locale_t locale)
+{
+	const char *propnames = 
+		"alnum\0"
+		"alpha\0"
+		"blank\0"
+		"cntrl\0"
+		"digit\0"
+		"graph\0"
+		"lower\0"
+		"print\0"
+		"punct\0"
+		"space\0"
+		"upper\0"
+		"xdigit\0"
+		"ideogram\0"	/* BSD extension */
+		"special\0"	/* BSD extension */
+		"phonogram\0"	/* BSD extension */
+		"number\0"	/* BSD extension */
+		"rune\0";	/* BSD extension */
+	static const wctype_t propmasks[] = {
+		_CTYPE_A|_CTYPE_N,
+		_CTYPE_A,
+		_CTYPE_B,
+		_CTYPE_C,
+		_CTYPE_D,
+		_CTYPE_G,
+		_CTYPE_L,
+		_CTYPE_R,
+		_CTYPE_P,
+		_CTYPE_S,
+		_CTYPE_U,
+		_CTYPE_X,
+		_CTYPE_I,
+		_CTYPE_T,
+		_CTYPE_Q,
+		_CTYPE_N,
+		0xFFFFFF00L
+	};
+	size_t len1, len2;
+	const char *p;
+	const wctype_t *q;
+
+	len1 = strlen(property);
+	q = propmasks;
+	for (p = propnames; (len2 = strlen(p)) != 0; p += len2 + 1) {
+		if (len1 == len2 && memcmp(property, p, len1) == 0)
+			return (*q);
+		q++;
+	}
+
+	return (0UL);
+}
+
+wctype_t wctype(const char *property)
+{
+	return wctype_l(property, 0);
+}