1 files changed, 30 insertions, 0 deletions
diff --git a/system/lib/libc/musl/src/stdio/fputws.c b/system/lib/libc/musl/src/stdio/fputws.c
new file mode 100644
index 00000000..70e004c9
--- /dev/null
+++ b/system/lib/libc/musl/src/stdio/fputws.c
@@ -0,0 +1,30 @@
+#include "stdio_impl.h"
+#include <wchar.h>
+
+int fputws(const wchar_t *restrict ws, FILE *restrict f)
+{
+	unsigned char buf[BUFSIZ];
+	size_t l=0;
+
+	FLOCK(f);
+
+#if 0 // XXX EMSCRIPTEN
+	f->mode |= f->mode+1;
+#endif
+
+	while (ws && (l = wcsrtombs((void *)buf, (void*)&ws, sizeof buf, 0))+1 > 1)
+#if 0 // XXX EMSCRIPTEN
+		if (__fwritex(buf, l, f) < l) {
+#else
+		if (fwrite(buf, 1, l, f) < l) {
+#endif
+			FUNLOCK(f);
+			return -1;
+		}
+
+	FUNLOCK(f);
+
+	return l; /* 0 or -1 */
+}
+
+weak_alias(fputws, fputws_unlocked);