stdarg.h revision ef8225444452a1486bd721f3285301fe84643b00
1a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman/*===---- stdarg.h - Variable argument handling ----------------------------=== 2a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman * 3a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman * Copyright (c) 2008 Eli Friedman 4a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman * 5a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman * Permission is hereby granted, free of charge, to any person obtaining a copy 6a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman * of this software and associated documentation files (the "Software"), to deal 7a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman * in the Software without restriction, including without limitation the rights 8a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman * copies of the Software, and to permit persons to whom the Software is 10a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman * furnished to do so, subject to the following conditions: 11a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman * 12a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman * The above copyright notice and this permission notice shall be included in 13a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman * all copies or substantial portions of the Software. 14a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman * 15a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 21a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman * THE SOFTWARE. 22a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman * 23a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman *===-----------------------------------------------------------------------=== 24a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman */ 25a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman 26a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman#ifndef __STDARG_H 27a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman#define __STDARG_H 28a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman 2982bab0dda6d8acec8463783bf885a0724ef1e2c3Ted Kremenek#ifndef _VA_LIST 30a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedmantypedef __builtin_va_list va_list; 3182bab0dda6d8acec8463783bf885a0724ef1e2c3Ted Kremenek#define _VA_LIST 3282bab0dda6d8acec8463783bf885a0724ef1e2c3Ted Kremenek#endif 33a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman#define va_start(ap, param) __builtin_va_start(ap, param) 34a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman#define va_end(ap) __builtin_va_end(ap) 35a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman#define va_arg(ap, type) __builtin_va_arg(ap, type) 362ec926cce387e2f2fc8b00620af5a70e823d71e8Chris Lattner 372ec926cce387e2f2fc8b00620af5a70e823d71e8Chris Lattner/* GCC always defines __va_copy, but does not define va_copy unless in c99 mode 382ec926cce387e2f2fc8b00620af5a70e823d71e8Chris Lattner * or -ansi is not specified, since it was not part of C90. 392ec926cce387e2f2fc8b00620af5a70e823d71e8Chris Lattner */ 401eb4433ac451dc16f4133a88af2d002ac26c58efMike Stump#define __va_copy(d,s) __builtin_va_copy(d,s) 412ec926cce387e2f2fc8b00620af5a70e823d71e8Chris Lattner 42651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines#if __STDC_VERSION__ >= 199901L || __cplusplus >= 201103L || !defined(__STRICT_ANSI__) 43a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman#define va_copy(dest, src) __builtin_va_copy(dest, src) 442ec926cce387e2f2fc8b00620af5a70e823d71e8Chris Lattner#endif 45a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman 46a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman/* Hack required to make standard headers work, at least on Ubuntu */ 47ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#ifndef __GNUC_VA_LIST 48a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman#define __GNUC_VA_LIST 1 49ef8225444452a1486bd721f3285301fe84643b00Stephen Hines#endif 50a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedmantypedef __builtin_va_list __gnuc_va_list; 51a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman 52a1d91fe84d98e005947125f0ded9f5246803d368Eli Friedman#endif /* __STDARG_H */ 53