1 files changed, 70 insertions, 0 deletions
diff --git a/lib/libc/stdio/fgetws.c b/lib/libc/stdio/fgetws.c
new file mode 100644
index 000000000000..2cfd4e3cfa71
--- /dev/null
+++ b/lib/libc/stdio/fgetws.c
@@ -0,0 +1,70 @@
+/*-
+ * Copyright (c) 2002 Tim J. Robbins.
+ * All rights reserved.
+ *
+ * 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 <rune.h>
+#include <stdio.h>
+#include <wchar.h>
+#include "un-namespace.h"
+#include "libc_private.h"
+#include "local.h"
+
+wchar_t *
+fgetws(wchar_t *__restrict ws, int n, FILE *__restrict fp)
+{
+	wchar_t *wsp;
+	long r;
+
+	ORIENTLOCK(fp, 1);
+
+	if (n <= 0)
+		return (NULL);
+
+	wsp = ws;
+	while (n-- > 1) {
+		/* XXX Inefficient */
+		if ((r = fgetrune(fp)) == _INVALID_RUNE) {
+			errno = EILSEQ;
+			return (NULL);
+		}
+		if (r == EOF) {
+			if (wsp == ws)
+				/* EOF/error, no characters read yet. */
+				return (NULL);
+			break;
+		}
+		*wsp++ = (wchar_t)r;
+		if (r == L'\n')
+			break;
+	}
+	*wsp++ = L'\0';
+
+	return (ws);
+}