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1: /* 2: * Copyright (c) 2007, 2010 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 _STDIO_H_ 25: #error error "Never use <secure/_stdio.h> directly; include <stdio.h> instead." 26: #endif 27: 28: #ifndef _SECURE__STDIO_H_ 29: #define _SECURE__STDIO_H_ 30: 31: #include <secure/_common.h> 32: 33: #if _USE_FORTIFY_LEVEL > 0 34: 35: #ifndef __has_builtin 36: #define _undef__has_builtin 37: #define __has_builtin(x) 0 38: #endif 39: 40: /* sprintf, vsprintf, snprintf, vsnprintf */ 41: #if __has_builtin(__builtin___sprintf_chk) || defined(__GNUC__) 42: extern int __sprintf_chk (char * __restrict, int, size_t, 43: const char * __restrict, ...); 44: 45: #undef sprintf 46: #define sprintf(str, ...) \ 47: __builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__) 48: #endif 49: 50: #if __DARWIN_C_LEVEL >= 200112L 51: #if __has_builtin(__builtin___snprintf_chk) || defined(__GNUC__) 52: extern int __snprintf_chk (char * __restrict, size_t, int, size_t, 53: const char * __restrict, ...); 54: 55: #undef snprintf 56: #define snprintf(str, len, ...) \ 57: __builtin___snprintf_chk (str, len, 0, __darwin_obsz(str), __VA_ARGS__) 58: #endif 59: 60: #if __has_builtin(__builtin___vsprintf_chk) || defined(__GNUC__) 61: extern int __vsprintf_chk (char * __restrict, int, size_t, 62: const char * __restrict, va_list); 63: 64: #undef vsprintf 65: #define vsprintf(str, format, ap) \ 66: __builtin___vsprintf_chk (str, 0, __darwin_obsz(str), format, ap) 67: #endif 68: 69: #if __has_builtin(__builtin___vsnprintf_chk) || defined(__GNUC__) 70: extern int __vsnprintf_chk (char * __restrict, size_t, int, size_t, 71: const char * __restrict, va_list); 72: 73: #undef vsnprintf 74: #define vsnprintf(str, len, format, ap) \ 75: __builtin___vsnprintf_chk (str, len, 0, __darwin_obsz(str), format, ap) 76: #endif 77: 78: #endif /* __DARWIN_C_LEVEL >= 200112L */ 79: 80: #ifdef _undef__has_builtin 81: #undef _undef__has_builtin 82: #undef __has_builtin 83: #endif 84: 85: #endif /* _USE_FORTIFY_LEVEL > 0 */ 86: #endif /* _SECURE__STDIO_H_ */ 87: