diff options
Diffstat (limited to 'wcsmbs/wcwidth.h')
| -rw-r--r-- | wcsmbs/wcwidth.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/wcsmbs/wcwidth.h b/wcsmbs/wcwidth.h index a9f8a26..ffc74be 100644 --- a/wcsmbs/wcwidth.h +++ b/wcsmbs/wcwidth.h @@ -1,5 +1,5 @@ /* Internal header containing implementation of wcwidth() function. - Copyright (C) 1996, 1997, 1999 Free Software Foundation, Inc. + Copyright (C) 1996, 1997, 1999, 2000 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996. @@ -33,6 +33,7 @@ static __inline int internal_wcwidth (wint_t ch) { size_t idx; + unsigned char res; if (ch == L'\0') return 0; @@ -41,5 +42,6 @@ internal_wcwidth (wint_t ch) if (idx == ~((size_t) 0) || (__ctype32_b[idx] & _ISwprint) == 0) return -1; - return (int) __ctype_width[idx]; + res = __ctype_width[idx]; + return res == (unsigned char) '\xff' ? -1 : (int) res; } |