1 files changed, 188 insertions, 0 deletions
diff --git a/lib/libc/locale/iswctype.c b/lib/libc/locale/iswctype.c
new file mode 100644
index 000000000000..0693da602116
--- /dev/null
+++ b/lib/libc/locale/iswctype.c
@@ -0,0 +1,188 @@
+/*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ * (c) UNIX System Laboratories, Inc.
+ * All or some portions of this file are derived from material licensed
+ * to the University of California by American Telephone and Telegraph
+ * Co. or Unix System Laboratories, Inc. and are reproduced herein with
+ * the permission of UNIX System Laboratories, Inc.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Paul Borman at Krystal Technologies.
+ *
+ * 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.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 <wctype.h>
+
+#undef iswalnum
+int
+iswalnum(wint_t wc)
+{
+	return (__istype(wc, _CTYPE_A|_CTYPE_N));
+}
+
+#undef iswalpha
+int
+iswalpha(wint_t wc)
+{
+	return (__istype(wc, _CTYPE_A));
+}
+
+#undef iswascii
+int
+iswascii(wint_t wc)
+{
+	return ((wc & ~0x7F) == 0);
+}
+
+#undef iswblank
+int
+iswblank(wint_t wc)
+{
+	return (__istype(wc, _CTYPE_B));
+}
+
+#undef iswcntrl
+int
+iswcntrl(wint_t wc)
+{
+	return (__istype(wc, _CTYPE_C));
+}
+
+#undef iswdigit
+int
+iswdigit(wint_t wc)
+{
+	return (__istype(wc, _CTYPE_D));
+}
+
+#undef iswgraph
+int
+iswgraph(wint_t wc)
+{
+	return (__istype(wc, _CTYPE_G));
+}
+
+#undef iswhexnumber 
+int
+iswhexnumber(wint_t wc)
+{
+	return (__istype(wc, _CTYPE_X));
+}
+
+#undef iswideogram
+int
+iswideogram(wint_t wc)
+{
+	return (__istype(wc, _CTYPE_I));
+}
+
+#undef iswlower
+int
+iswlower(wint_t wc)
+{
+	return (__istype(wc, _CTYPE_L));
+}
+
+#undef iswnumber
+int
+iswnumber(wint_t wc)
+{
+	return (__istype(wc, _CTYPE_N));
+}
+
+#undef iswphonogram	
+int
+iswphonogram(wint_t wc)
+{
+	return (__istype(wc, _CTYPE_Q));
+}
+
+#undef iswprint
+int
+iswprint(wint_t wc)
+{
+	return (__istype(wc, _CTYPE_R));
+}
+
+#undef iswpunct
+int
+iswpunct(wint_t wc)
+{
+	return (__istype(wc, _CTYPE_P));
+}
+
+#undef iswrune
+int
+iswrune(wint_t wc)
+{
+	return (__istype(wc, 0xFFFFFF00L));
+}
+
+#undef iswspace
+int
+iswspace(wint_t wc)
+{
+	return (__istype(wc, _CTYPE_S));
+}
+
+#undef iswspecial
+int
+iswspecial(wint_t wc)
+{
+	return (__istype(wc, _CTYPE_T));
+}
+
+#undef iswupper
+int
+iswupper(wint_t wc)
+{
+	return (__istype(wc, _CTYPE_U));
+}
+
+#undef iswxdigit
+int
+iswxdigit(wint_t wc)
+{
+	return (__istype(wc, _CTYPE_X));
+}
+
+#undef towlower
+wint_t
+towlower(wint_t wc)
+{
+        return (__tolower(wc));
+}
+
+#undef towupper
+wint_t
+towupper(wint_t wc)
+{
+        return (__toupper(wc));
+}
+