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-rw-r--r--lib/unistr/u16-mbsnlen.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/lib/unistr/u16-mbsnlen.c b/lib/unistr/u16-mbsnlen.c
index 881958e1..601d81d6 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 Free Software Foundation, Inc.
+ Copyright (C) 2007, 2009-2010 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;
+ count = 1;
s += count;
n -= count;
- characters++;
}
return characters;
}