/* * This file is part of the libpayload project. * * Copyright (C) 2008 Advanced Micro Devices, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _LIBPAYLOAD_STDARG_H #define _LIBPAYLOAD_STDARG_H #include <stddef.h> /* With GCC we use -nostdinc -ffreestanding to keep out system includes. * Unfortunately this also gets us rid of the _compiler_ includes, like * stdarg.h. To work around the issue, we define varargs directly here. * On LLVM we can still just include stdarg.h. */ #ifdef __GNUC__ #define va_start(v,l) __builtin_va_start(v,l) #define va_end(v) __builtin_va_end(v) #define va_arg(v,l) __builtin_va_arg(v,l) typedef __builtin_va_list va_list; #else #include_next <stdarg.h> #endif /** * @defgroup vprintf Varargs print functions * @{ */ int vsnprintf(char *str, size_t size, const char *fmt, va_list ap); int vsprintf(char *str, const char *fmt, va_list ap); int vprintf(const char *fmt, va_list ap); /** @} */ #endif