/* * Copyright 2003-2019 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 #include 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; }