From 32967d59c57ca69410f1f69c298d79af53f9ae97 Mon Sep 17 00:00:00 2001
From: Owen Shepherd <owen.shepherd@e43.eu>
Date: Tue, 23 Apr 2013 18:57:47 +0100
Subject: [PATCH] PDCLIB-2 c16rtomb: did not support NULL destination buffer
 mode (count output characters)

---
 functions/uchar/c16rtomb.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/functions/uchar/c16rtomb.c b/functions/uchar/c16rtomb.c
index 6e3a27c..ac8c629 100644
--- a/functions/uchar/c16rtomb.c
+++ b/functions/uchar/c16rtomb.c
@@ -24,6 +24,8 @@ size_t c16rtomb_l(
 )
 {
     const char16_t *restrict psrc = &c16;
+    char buf[s ? 0 : MB_CUR_MAX];
+    s =      s ? s : buf;
 
     if(!l->_Codec->__c16stombs) {
         // Codec doesn't support direct conversion - translate via UCS-4
-- 
2.40.0