1 /* Formatted output to strings.
2 Copyright (C) 1999, 2002, 2006-2013 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify it
5 under the terms of the GNU Lesser General Public License as published
6 by the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
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 GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
18 VSNPRINTF (DCHAR_T *buf, size_t size, const FCHAR_T *format, va_list args)
27 result = VASNPRINTF (buf, &length, format, args);
35 /* The result did not fit into the buffer. Copy the initial segment
36 into the buffer, truncating it if necessary. */
37 size_t n = (length < size ? length : size - 1);
38 DCHAR_CPY (buf, result, n);
50 /* Return the number of resulting units, excluding the trailing NUL. */