X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Funistr%2Fu16-mbsnlen.c;h=fb0df36ab160d20c7ef285f5bf239006a91adf13;hb=56c2804916c20464b13800341b426536c842191d;hp=1bc99690fa28c1233019e9bea500df699313528c;hpb=b2e2010c7c902235b5efb5bd3c6529f61b093aa4;p=gnulib.git

diff --git a/lib/unistr/u16-mbsnlen.c b/lib/unistr/u16-mbsnlen.c
index 1bc99690f..fb0df36ab 100644
--- a/lib/unistr/u16-mbsnlen.c
+++ b/lib/unistr/u16-mbsnlen.c
@@ -1,5 +1,5 @@
 /* Count characters in UTF-16 string.
-   Copyright (C) 2007, 2009-2010 Free Software Foundation, Inc.
+   Copyright (C) 2007, 2009-2011 Free Software Foundation, Inc.
    Written by Bruno Haible <bruno@clisp.org>, 2007.
 
    This program is free software: you can redistribute it and/or modify it
@@ -28,12 +28,15 @@ u16_mbsnlen (const uint16_t *s, size_t n)
   characters = 0;
   while (n > 0)
     {
-      int count = u16_mblen (s, n);
+      ucs4_t uc;
+      int count = u16_mbtoucr (&uc, s, n);
+      characters++;
+      if (count == -2)
+        break;
       if (count <= 0)
         count = 1;
       s += count;
       n -= count;
-      characters++;
     }
   return characters;
 }