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/* ****************************************************************************
 * stdarg.h -- Variable argument list management for GCC.
 * Copyright (C) 2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
 *
 * This file is part of the 'all/compiler-gcc' module,
 * in libcarrot, an experimental modular libc project.
 *
 * This file 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 3 of the License, or (at your option)
 * any later version.
 *
 * This file 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 Lesser Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this file.  If not, see <http://www.gnu.org/licenses/>.
 * ************************************************************************* */
/* GCC provides built-ins to make the variable argument list implementation
 * easier. */

#if __GNUC_PREREQ(1, 0)
typedef __builtin_va_list __stdarg_va_list;

/* Open and close a variable argument list. */
# define __stdarg_va_start(_AP, _PARAM) __builtin_va_start(_AP, _PARAM)
# define __stdarg_va_end(_AP)           __builtin_va_end(_AP)

/* Obtain an argument from the variable argument list. */
# define __stdarg_va_arg(_AP, _TYPE)    __builtin_va_arg(_AP, _TYPE)

/* Copy a variable argument list. */
# define __stdarg_va_copy(_D, _S)       __builtin_va_copy(_D, _S)
#endif