1 /* Formatted output to strings.
2 Copyright (C) 1999, 2002, 2006-2007 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 Library General Public License as published
6 by 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 GNU
12 Library General Public License for more details.
14 You should have received a copy of the GNU Library General Public
15 License along with this program; if not, write to the Free Software
16 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
19 /* Some systems, like OSF/1 4.0 and Woe32, don't have EOVERFLOW. */
21 # define EOVERFLOW E2BIG
25 VSNPRINTF (DCHAR_T *buf, size_t size, const FCHAR_T *format, va_list args)
34 result = VASNPRINTF (buf, &length, format, args);
42 /* The result did not fit into the buffer. Copy the initial segment
43 into the buffer, truncating it if necessary. */
44 size_t n = (length < size ? length : size - 1);
45 DCHAR_CPY (buf, result, n);
57 /* Return the number of resulting units, excluding the trailing NUL. */