1*94d3b452SApple OSS Distributions /*===---- stdarg.h - Variable argument handling ----------------------------=== 2*94d3b452SApple OSS Distributions * 3*94d3b452SApple OSS Distributions * Copyright (c) 2008 Eli Friedman 4*94d3b452SApple OSS Distributions * 5*94d3b452SApple OSS Distributions * Permission is hereby granted, free of charge, to any person obtaining a copy 6*94d3b452SApple OSS Distributions * of this software and associated documentation files (the "Software"), to deal 7*94d3b452SApple OSS Distributions * in the Software without restriction, including without limitation the rights 8*94d3b452SApple OSS Distributions * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9*94d3b452SApple OSS Distributions * copies of the Software, and to permit persons to whom the Software is 10*94d3b452SApple OSS Distributions * furnished to do so, subject to the following conditions: 11*94d3b452SApple OSS Distributions * 12*94d3b452SApple OSS Distributions * The above copyright notice and this permission notice shall be included in 13*94d3b452SApple OSS Distributions * all copies or substantial portions of the Software. 14*94d3b452SApple OSS Distributions * 15*94d3b452SApple OSS Distributions * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16*94d3b452SApple OSS Distributions * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17*94d3b452SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18*94d3b452SApple OSS Distributions * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19*94d3b452SApple OSS Distributions * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20*94d3b452SApple OSS Distributions * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 21*94d3b452SApple OSS Distributions * THE SOFTWARE. 22*94d3b452SApple OSS Distributions * 23*94d3b452SApple OSS Distributions *===-----------------------------------------------------------------------=== 24*94d3b452SApple OSS Distributions */ 25*94d3b452SApple OSS Distributions 26*94d3b452SApple OSS Distributions #if XNU_KERNEL_PRIVATE 27*94d3b452SApple OSS Distributions 28*94d3b452SApple OSS Distributions #include_next <stdarg.h> 29*94d3b452SApple OSS Distributions /* __STDARG_H guard defined */ 30*94d3b452SApple OSS Distributions 31*94d3b452SApple OSS Distributions #elif (defined(__has_include) && __has_include(<__xnu_libcxx_sentinel.h>)) 32*94d3b452SApple OSS Distributions 33*94d3b452SApple OSS Distributions #if !__has_include_next(<stdarg.h>) 34*94d3b452SApple OSS Distributions #error Do not build with -nostdinc (use GCC_USE_STANDARD_INCLUDE_SEARCHING=NO) 35*94d3b452SApple OSS Distributions #else 36*94d3b452SApple OSS Distributions #include_next <stdarg.h> 37*94d3b452SApple OSS Distributions /* __STDARG_H guard defined */ 38*94d3b452SApple OSS Distributions #endif /* __has_include_next */ 39*94d3b452SApple OSS Distributions 40*94d3b452SApple OSS Distributions #else /* XNU_KERNEL_PRIVATE */ 41*94d3b452SApple OSS Distributions 42*94d3b452SApple OSS Distributions #ifndef __STDARG_H 43*94d3b452SApple OSS Distributions #define __STDARG_H 44*94d3b452SApple OSS Distributions 45*94d3b452SApple OSS Distributions #ifndef _VA_LIST 46*94d3b452SApple OSS Distributions typedef __builtin_va_list va_list; 47*94d3b452SApple OSS Distributions #define _VA_LIST 48*94d3b452SApple OSS Distributions #endif 49*94d3b452SApple OSS Distributions #define va_start(ap, param) __builtin_va_start(ap, param) 50*94d3b452SApple OSS Distributions #define va_end(ap) __builtin_va_end(ap) 51*94d3b452SApple OSS Distributions #define va_arg(ap, type) __builtin_va_arg(ap, type) 52*94d3b452SApple OSS Distributions 53*94d3b452SApple OSS Distributions /* GCC always defines __va_copy, but does not define va_copy unless in c99 mode 54*94d3b452SApple OSS Distributions * or -ansi is not specified, since it was not part of C90. 55*94d3b452SApple OSS Distributions */ 56*94d3b452SApple OSS Distributions #define __va_copy(d, s) __builtin_va_copy(d,s) 57*94d3b452SApple OSS Distributions 58*94d3b452SApple OSS Distributions #if __STDC_VERSION__ >= 199900L || __cplusplus >= 201103L || !defined(__STRICT_ANSI__) 59*94d3b452SApple OSS Distributions #define va_copy(dest, src) __builtin_va_copy(dest, src) 60*94d3b452SApple OSS Distributions #endif 61*94d3b452SApple OSS Distributions 62*94d3b452SApple OSS Distributions /* Hack required to make standard headers work, at least on Ubuntu */ 63*94d3b452SApple OSS Distributions #define __GNUC_VA_LIST 1 64*94d3b452SApple OSS Distributions typedef __builtin_va_list __gnuc_va_list; 65*94d3b452SApple OSS Distributions 66*94d3b452SApple OSS Distributions #endif /* __STDARG_H */ 67*94d3b452SApple OSS Distributions 68*94d3b452SApple OSS Distributions #endif /* XNU_KERNEL_PRIVATE */ 69