source: trunk/src/core/string.cpp @ 2183

Last change on this file since 2183 was 2183, checked in by sam, 7 years ago

build: fix the WTFPL site URL in all code comments.

  • Property svn:keywords set to Id
File size: 1.1 KB
Line 
1//
2// Lol Engine
3//
4// Copyright: (c) 2010-2012 Sam Hocevar <sam@hocevar.net>
5//   This program is free software; you can redistribute it and/or
6//   modify it under the terms of the Do What The Fuck You Want To
7//   Public License, Version 2, as published by Sam Hocevar. See
8//   http://www.wtfpl.net/ for more details.
9//
10
11#if defined HAVE_CONFIG_H
12#   include "config.h"
13#endif
14
15#include <cstdio>
16
17#ifdef WIN32
18#   define WIN32_LEAN_AND_MEAN
19#   include <windows.h>
20#endif
21
22#include <cstdarg>
23
24#include "core.h"
25
26namespace lol
27{
28
29String String::Printf(char const *format, ...)
30{
31#if defined __CELLOS_LV2__
32    using std::vsnprintf;
33#endif
34
35    String ret;
36    va_list ap;
37
38    /* vsnprintf() tells us how many character we need, and we need to
39     * add one for the terminating null byte. */
40    va_start(ap, format);
41    size_t needed = vsnprintf(NULL, 0, format, ap) + 1;
42    va_end(ap);
43
44    ((Super &)ret).Reserve(needed);
45    ret.m_count = needed;
46
47    /* We don’t use va_copy because Visual Studio 2010 does not support it. */
48    va_start(ap, format);
49    vsnprintf(&ret[0], needed, format, ap);
50    va_end(ap);
51
52    return ret;
53}
54
55} /* namespace lol */
56
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