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1: /* 2: * Copyright (c) 2007, 2008 Apple Inc. All rights reserved. 3: * 4: * @APPLE_LICENSE_HEADER_START@ 5: * 6: * This file contains Original Code and/or Modifications of Original Code 7: * as defined in and that are subject to the Apple Public Source License 8: * Version 2.0 (the 'License'). You may not use this file except in 9: * compliance with the License. Please obtain a copy of the License at 10: * http://www.opensource.apple.com/apsl/ and read it before using this 11: * file. 12: * 13: * The Original Code and all software distributed under the License are 14: * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17: * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18: * Please see the License for the specific language governing rights and 19: * limitations under the License. 20: * 21: * @APPLE_LICENSE_HEADER_END@ 22: */ 23: 24: #ifndef _SECURE__COMMON_H_ 25: #define _SECURE__COMMON_H_ 26: 27: #undef _USE_FORTIFY_LEVEL 28: #if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0 29: # if _FORTIFY_SOURCE > 1 30: # define _USE_FORTIFY_LEVEL 2 31: # else 32: # define _USE_FORTIFY_LEVEL 1 33: # endif 34: #else 35: # define _USE_FORTIFY_LEVEL 0 36: #endif 37: 38: #define __darwin_obsz0(object) __builtin_object_size (object, 0) 39: #define __darwin_obsz(object) __builtin_object_size (object, _USE_FORTIFY_LEVEL > 1 ? 1 : 0) 40: 41: #endif 42: