1 files changed, 30 insertions, 0 deletions
diff --git a/src/stdlib/mbstowcs.c b/src/stdlib/mbstowcs.c
new file mode 100644
index 00000000..a5ce53d8
--- /dev/null
+++ b/src/stdlib/mbstowcs.c
@@ -0,0 +1,30 @@
+#include <stdlib.h>
+
+/** convert multibyte string to wide character string **/
+
+size_t mbstowcs(wchar_t * restrict pwcs, const char * restrict s, size_t n)
+{
+	/* FIXME: forward dependency on AMD1 */
+	#if 0
+	mbstate_t ps = 0;
+	return mbsrtowcs(pwcs, s, n, &ps);
+	#else
+	(void)pwcs; (void)s;
+	return n;
+	#endif
+}
+
+/***
+converts the string of multibyte characters ARGUMENT(s)
+to a string of wide characters, which are stored at ARGUMENT(pwcs). No more than
+ARGUMENT(n) wide characters are stored at ARGUMENT(pwcs). No further
+characters will be converted after a null character, which is converted.
+***/
+
+/*
+UNDEFINED(The memory regions of ARGUMENT(s) and ARGUMENT(pwcs) overlap)
+LC_CTYPE
+RETURN_FAILURE(-1)
+RETURN_SUCCESS(the number of wide characters converted, not counting any terminating zero)
+STDC(1)
+*/