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/*
* Copyright 2003-2018 The Music Player Daemon Project
* http://www.musicpd.org
*
* 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.
*/
#include "FormatString.hxx"
#include "AllocatedString.hxx"
#include <stdio.h>
#include <stdlib.h>
AllocatedString<>
FormatStringV(const char *fmt, va_list args) noexcept
{
va_list tmp;
va_copy(tmp, args);
const int length = vsnprintf(NULL, 0, fmt, tmp);
va_end(tmp);
if (length <= 0)
/* wtf.. */
abort();
char *buffer = new char[length + 1];
vsnprintf(buffer, length + 1, fmt, args);
return AllocatedString<>::Donate(buffer);
}
AllocatedString<>
FormatString(const char *fmt, ...) noexcept
{
va_list args;
va_start(args, fmt);
auto p = FormatStringV(fmt, args);
va_end(args);
return p;
}
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