| /*===---- stdarg.h - Variable argument handling ----------------------------=== |
| * |
| * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| * See https://llvm.org/LICENSE.txt for license information. |
| * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| * |
| *===-----------------------------------------------------------------------=== |
| */ |
| |
| #ifndef __STDARG_H |
| |
| #ifndef __GNUC_VA_LIST |
| #define __GNUC_VA_LIST |
| typedef __builtin_va_list __gnuc_va_list; |
| #endif |
| |
| #ifdef __need___va_list |
| #undef __need___va_list |
| #else |
| #define __STDARG_H |
| #ifndef _VA_LIST |
| typedef __builtin_va_list va_list; |
| #define _VA_LIST |
| #endif |
| |
| /* FIXME: This is using the placeholder dates Clang produces for these macros |
| in C2x mode; switch to the correct values once they've been published. */ |
| #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202000L |
| /* C2x does not require the second parameter for va_start. */ |
| #define va_start(ap, ...) __builtin_va_start(ap, 0) |
| #else |
| /* Versions before C2x do require the second parameter. */ |
| #define va_start(ap, param) __builtin_va_start(ap, param) |
| #endif |
| #define va_end(ap) __builtin_va_end(ap) |
| #define va_arg(ap, type) __builtin_va_arg(ap, type) |
| |
| /* GCC always defines __va_copy, but does not define va_copy unless in c99 mode |
| * or -ansi is not specified, since it was not part of C90. |
| */ |
| #define __va_copy(d,s) __builtin_va_copy(d,s) |
| |
| #if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \ |
| (defined(__cplusplus) && __cplusplus >= 201103L) || \ |
| !defined(__STRICT_ANSI__) |
| #define va_copy(dest, src) __builtin_va_copy(dest, src) |
| #endif |
| |
| #endif /* __STDARG_H */ |
| |
| #endif /* not __STDARG_H */ |