aria2/src/StringFormat.cc

68 lines
2.1 KiB
C++

/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* 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
* (at your option) 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#include "StringFormat.h"
#include <ostream>
#include <cstring>
#include <cstdio>
#include <cstdarg>
#include <cstdlib>
namespace aria2 {
StringFormat::StringFormat(const char* fmt, ...)
{
va_list ap;
va_start(ap, fmt);
char buf[1024];
int r;
if((r = vsnprintf(buf, sizeof(buf), fmt, ap)) > 0) {
_msg.assign(&buf[0], &buf[r]);
}
va_end(ap);
}
const std::string& StringFormat::str() const
{
return _msg;
}
std::ostream& operator<<(std::ostream& o, const StringFormat& fmt)
{
o << fmt.str();
return o;
}
} // namespace aria2