1 files changed, 41 insertions, 0 deletions
diff --git a/src/wchar/fputwc.c b/src/wchar/fputwc.c
new file mode 100644
index 00000000..e7b9c503
--- /dev/null
+++ b/src/wchar/fputwc.c
@@ -0,0 +1,41 @@
+#include <wchar.h>
+#include "stdio.h"
+#include "nonstd/io.h"
+#include "limits.h"
+#include "errno.h"
+
+wint_t fputwc(wchar_t c, FILE * stream)
+{
+	size_t i;
+
+	if (fwide(stream, 1) <= 0) {
+		/* not a wide stream */
+		return WEOF;
+	}
+
+	flockfile(stream);
+	stream->orientation = -1;
+
+	char mbs[MB_LEN_MAX+1] = {0};
+	mbstate_t ps = 0;
+	size_t len = wcrtomb(mbs, c, &ps);
+
+	if (len == (size_t)-1) {
+		errno = EILSEQ;
+		return WEOF;
+	}
+
+	/* FIXME: check for errors here */
+	for (i = 0; i < len; i++) {
+		fputc(mbs[i], stream);
+	}
+
+	stream->orientation = 1;
+	funlockfile(stream);
+
+	return c;
+}
+
+/*
+STDC(199409)
+*/