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/*
   Copyright (C) 2009 Red Hat, Inc.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   This library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdarg.h>
#include "utils.h"

void string_vprintf(std::string& str, const char* format, va_list ap)
{
    va_list ap_test;
    va_copy(ap_test, ap);
    int len = vsnprintf(NULL, 0, format, ap_test) + 1;
    va_end(ap_test);
    AutoArray<char> buf(new char[len]);
    vsnprintf(buf.get(), len, format, ap);
    str = buf.get();
}