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__) 42extern 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__) 52extern 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__) 61extern 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__) 70extern 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