1*bbb1b6f9SApple OSS Distributions /*===---- stdarg.h - Variable argument handling ----------------------------=== 2*bbb1b6f9SApple OSS Distributions * 3*bbb1b6f9SApple OSS Distributions * Copyright (c) 2008 Eli Friedman 4*bbb1b6f9SApple OSS Distributions * 5*bbb1b6f9SApple OSS Distributions * Permission is hereby granted, free of charge, to any person obtaining a copy 6*bbb1b6f9SApple OSS Distributions * of this software and associated documentation files (the "Software"), to deal 7*bbb1b6f9SApple OSS Distributions * in the Software without restriction, including without limitation the rights 8*bbb1b6f9SApple OSS Distributions * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9*bbb1b6f9SApple OSS Distributions * copies of the Software, and to permit persons to whom the Software is 10*bbb1b6f9SApple OSS Distributions * furnished to do so, subject to the following conditions: 11*bbb1b6f9SApple OSS Distributions * 12*bbb1b6f9SApple OSS Distributions * The above copyright notice and this permission notice shall be included in 13*bbb1b6f9SApple OSS Distributions * all copies or substantial portions of the Software. 14*bbb1b6f9SApple OSS Distributions * 15*bbb1b6f9SApple OSS Distributions * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16*bbb1b6f9SApple OSS Distributions * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17*bbb1b6f9SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18*bbb1b6f9SApple OSS Distributions * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19*bbb1b6f9SApple OSS Distributions * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20*bbb1b6f9SApple OSS Distributions * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 21*bbb1b6f9SApple OSS Distributions * THE SOFTWARE. 22*bbb1b6f9SApple OSS Distributions * 23*bbb1b6f9SApple OSS Distributions *===-----------------------------------------------------------------------=== 24*bbb1b6f9SApple OSS Distributions */ 25*bbb1b6f9SApple OSS Distributions 26*bbb1b6f9SApple OSS Distributions #if XNU_KERNEL_PRIVATE 27*bbb1b6f9SApple OSS Distributions 28*bbb1b6f9SApple OSS Distributions #include_next <stdarg.h> 29*bbb1b6f9SApple OSS Distributions /* __STDARG_H guard defined */ 30*bbb1b6f9SApple OSS Distributions 31*bbb1b6f9SApple OSS Distributions #elif (defined(__has_include) && __has_include(<__xnu_libcxx_sentinel.h>)) 32*bbb1b6f9SApple OSS Distributions 33*bbb1b6f9SApple OSS Distributions #if !__has_include_next(<stdarg.h>) 34*bbb1b6f9SApple OSS Distributions #error Do not build with -nostdinc (use GCC_USE_STANDARD_INCLUDE_SEARCHING=NO) 35*bbb1b6f9SApple OSS Distributions #else 36*bbb1b6f9SApple OSS Distributions #include_next <stdarg.h> 37*bbb1b6f9SApple OSS Distributions /* __STDARG_H guard defined */ 38*bbb1b6f9SApple OSS Distributions #endif /* __has_include_next */ 39*bbb1b6f9SApple OSS Distributions 40*bbb1b6f9SApple OSS Distributions #else /* XNU_KERNEL_PRIVATE */ 41*bbb1b6f9SApple OSS Distributions 42*bbb1b6f9SApple OSS Distributions #ifndef __STDARG_H 43*bbb1b6f9SApple OSS Distributions #define __STDARG_H 44*bbb1b6f9SApple OSS Distributions 45*bbb1b6f9SApple OSS Distributions #ifndef _VA_LIST 46*bbb1b6f9SApple OSS Distributions typedef __builtin_va_list va_list; 47*bbb1b6f9SApple OSS Distributions #define _VA_LIST 48*bbb1b6f9SApple OSS Distributions #endif 49*bbb1b6f9SApple OSS Distributions #define va_start(ap, param) __builtin_va_start(ap, param) 50*bbb1b6f9SApple OSS Distributions #define va_end(ap) __builtin_va_end(ap) 51*bbb1b6f9SApple OSS Distributions #define va_arg(ap, type) __builtin_va_arg(ap, type) 52*bbb1b6f9SApple OSS Distributions 53*bbb1b6f9SApple OSS Distributions /* GCC always defines __va_copy, but does not define va_copy unless in c99 mode 54*bbb1b6f9SApple OSS Distributions * or -ansi is not specified, since it was not part of C90. 55*bbb1b6f9SApple OSS Distributions */ 56*bbb1b6f9SApple OSS Distributions #define __va_copy(d, s) __builtin_va_copy(d,s) 57*bbb1b6f9SApple OSS Distributions 58*bbb1b6f9SApple OSS Distributions #if __STDC_VERSION__ >= 199900L || __cplusplus >= 201103L || !defined(__STRICT_ANSI__) 59*bbb1b6f9SApple OSS Distributions #define va_copy(dest, src) __builtin_va_copy(dest, src) 60*bbb1b6f9SApple OSS Distributions #endif 61*bbb1b6f9SApple OSS Distributions 62*bbb1b6f9SApple OSS Distributions /* Hack required to make standard headers work, at least on Ubuntu */ 63*bbb1b6f9SApple OSS Distributions #define __GNUC_VA_LIST 1 64*bbb1b6f9SApple OSS Distributions typedef __builtin_va_list __gnuc_va_list; 65*bbb1b6f9SApple OSS Distributions 66*bbb1b6f9SApple OSS Distributions #endif /* __STDARG_H */ 67*bbb1b6f9SApple OSS Distributions 68*bbb1b6f9SApple OSS Distributions #endif /* XNU_KERNEL_PRIVATE */ 69