1 /* Determine the number of screen columns needed for a character.
2 Copyright (C) 2006, 2007 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
23 /* Get wcwidth if available, along with wchar_t. */
29 # ifndef HAVE_DECL_WCWIDTH
30 "this configure-time declaration test was not run"
35 /* wcwidth doesn't exist, so assume all printable characters have
40 return wc == 0 ? 0 : iswprint (wc) ? 1 : -1;
43 # elif !HAVE_DECL_WCWIDTH
45 /* wcwidth exists but is not declared. */
50 int wcwidth (int /* actually wchar_t */);
55 #endif /* HAVE_WCHAR_T */
57 #endif /* _gl_WCWIDTH_H */