1 files changed, 98 insertions, 0 deletions
diff --git a/lib/libc/stdio/fputwc.c b/lib/libc/stdio/fputwc.c
new file mode 100644
index 0000000..7b05d4a
--- /dev/null
+++ b/lib/libc/stdio/fputwc.c
@@ -0,0 +1,98 @@
+/*-
+ * Copyright (c) 2002-2004 Tim J. Robbins.
+ * All rights reserved.
+ *
+ * Copyright (c) 2011 The FreeBSD Foundation
+ * All rights reserved.
+ * 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 <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include "namespace.h"
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <wchar.h>
+#include "un-namespace.h"
+#include "libc_private.h"
+#include "local.h"
+#include "mblocal.h"
+
+/*
+ * Non-MT-safe version.
+ */
+wint_t
+__fputwc(wchar_t wc, FILE *fp, locale_t locale)
+{
+	char buf[MB_LEN_MAX];
+	size_t i, len;
+	struct xlocale_ctype *l = XLOCALE_CTYPE(locale);
+
+	if (MB_CUR_MAX == 1 && wc > 0 && wc <= UCHAR_MAX) {
+		/*
+		 * Assume single-byte locale with no special encoding.
+		 * A more careful test would be to check
+		 * _CurrentRuneLocale->encoding.
+		 */
+		*buf = (unsigned char)wc;
+		len = 1;
+	} else {
+		if ((len = l->__wcrtomb(buf, wc, &fp->_mbstate)) == (size_t)-1) {
+			fp->_flags |= __SERR;
+			return (WEOF);
+		}
+	}
+
+	for (i = 0; i < len; i++)
+		if (__sputc((unsigned char)buf[i], fp) == EOF)
+			return (WEOF);
+
+	return ((wint_t)wc);
+}
+
+/*
+ * MT-safe version.
+ */
+wint_t
+fputwc_l(wchar_t wc, FILE *fp, locale_t locale)
+{
+	wint_t r;
+	FIX_LOCALE(locale);
+
+	FLOCKFILE(fp);
+	ORIENT(fp, 1);
+	r = __fputwc(wc, fp, locale);
+	FUNLOCKFILE(fp);
+
+	return (r);
+}
+wint_t
+fputwc(wchar_t wc, FILE *fp)
+{
+	return fputwc_l(wc, fp, __get_locale());
+}