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* wcsmbs/wcswidth.c (wcswidth): Don't forget to decrement counter n.
This commit is contained in:
Ulrich Drepper
1999-11-18 02:59:57 +00:00
parent 404127bca0
commit 35946fb706
5 changed files with 10 additions and 6 deletions
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5
wcsmbs/wcwidth.h
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@ -1,5 +1,5 @@
/* Internal header containing implementation of wcwidth() function.
Copyright (C) 1996, 1997 Free Software Foundation, Inc.
Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996.
@ -19,6 +19,7 @@
Boston, MA 02111-1307, USA. */
#include <wchar.h>
#include <wctype.h>
#include "../wctype/cname-lookup.h"
/* Array containing width information. */
@ -33,7 +34,7 @@ internal_wcwidth (wint_t ch)
return 0;
idx = cname_lookup (ch);
if (idx == ~((size_t) 0))
if (idx == ~((size_t) 0) || (__ctype32_b[idx] & _ISwprint) == 0)
return -1;
return (int) __ctype_width[idx];