summaryrefslogtreecommitdiff
path: root/src/utils/strprintf.cpp
blob: 07fb35087c3e6baafab160a98ca66fb8ca36c85c (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
/*
 *  The Mana World
 *  Copyright (C) 2007  The Mana World Development Team
 *
 *  This file is part of The Mana World.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include <cstdarg>
#include <cstdio>

#include "strprintf.h"

std::string strprintf(char const *format, ...)
{
    char buf[256];
    va_list(args);
    va_start(args, format);
    int nb = vsnprintf(buf, 256, format, args);
    va_end(args);
    if (nb < 256)
    {
        return buf;
    }
    // The static size was not big enough, try again with a dynamic allocation.
    ++nb;
    char *buf2 = new char[nb];
    va_start(args, format);
    vsnprintf(buf2, nb, format, args);
    va_end(args);
    std::string res(buf2);
    delete [] buf2;
    return res;
}