1 /* ===-------- vadefs.h ---------------------------------------------------=== 2 * 3 * Permission is hereby granted, free of charge, to any person obtaining a copy 4 * of this software and associated documentation files (the "Software"), to deal 5 * in the Software without restriction, including without limitation the rights 6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7 * copies of the Software, and to permit persons to whom the Software is 8 * furnished to do so, subject to the following conditions: 9 * 10 * The above copyright notice and this permission notice shall be included in 11 * all copies or substantial portions of the Software. 12 * 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 16 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 17 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 18 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 19 * THE SOFTWARE. 20 * 21 *===-----------------------------------------------------------------------=== 22 */ 23 24 /* Only include this if we are aiming for MSVC compatibility. */ 25 #ifndef _MSC_VER 26 #include_next <vadefs.h> 27 #else 28 29 #ifndef __clang_vadefs_h 30 #define __clang_vadefs_h 31 32 #include_next <vadefs.h> 33 34 /* Override macros from vadefs.h with definitions that work with Clang. */ 35 #ifdef _crt_va_start 36 #undef _crt_va_start 37 #define _crt_va_start(ap, param) __builtin_va_start(ap, param) 38 #endif 39 #ifdef _crt_va_end 40 #undef _crt_va_end 41 #define _crt_va_end(ap) __builtin_va_end(ap) 42 #endif 43 #ifdef _crt_va_arg 44 #undef _crt_va_arg 45 #define _crt_va_arg(ap, type) __builtin_va_arg(ap, type) 46 #endif 47 48 /* VS 2015 switched to double underscore names, which is an improvement, but now 49 * we have to intercept those names too. 50 */ 51 #ifdef __crt_va_start 52 #undef __crt_va_start 53 #define __crt_va_start(ap, param) __builtin_va_start(ap, param) 54 #endif 55 #ifdef __crt_va_end 56 #undef __crt_va_end 57 #define __crt_va_end(ap) __builtin_va_end(ap) 58 #endif 59 #ifdef __crt_va_arg 60 #undef __crt_va_arg 61 #define __crt_va_arg(ap, type) __builtin_va_arg(ap, type) 62 #endif 63 64 #endif 65 #endif 66