1 files changed, 24 insertions, 0 deletions
diff --git a/newlib/libc/stdlib/mbsrtowcs.c b/newlib/libc/stdlib/mbsrtowcs.c
new file mode 100644
index 000000000..256ab0d7b
--- /dev/null
+++ b/newlib/libc/stdlib/mbsrtowcs.c
@@ -0,0 +1,24 @@
+#include <wchar.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <reent.h>
+#include <errno.h>
+
+size_t
+mbsrtowcs(wchar_t *dst, const char **src, size_t len, mbstate_t *ps)
+{
+  int retval = 0;
+  mbstate_t internal;
+
+  _REENT_CHECK_MISC(_REENT);
+
+  retval = _mbstowcs_r (_REENT, dst, *src, len, ps != NULL ? ps : &internal);
+
+  if (retval == -1)
+    {
+      _REENT->_errno = EILSEQ;
+      return (size_t)(-1);
+    }
+  else
+    return (size_t)retval;
+}