1 /* $NetBSD: stdio.h,v 1.5 2011/07/17 20:54:34 joerg Exp $ */ 2 3 /*- 4 * 5 * SPDX-License-Identifier: BSD-2-Clause 6 * 7 * Copyright (c) 2006 The NetBSD Foundation, Inc. 8 * All rights reserved. 9 * 10 * This code is derived from software contributed to The NetBSD Foundation 11 * by Christos Zoulas. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 #ifndef _SSP_STDIO_H_ 35 #define _SSP_STDIO_H_ 36 37 #include <ssp/ssp.h> 38 39 __BEGIN_DECLS 40 int __sprintf_chk(char *__restrict, int, size_t, const char *__restrict, ...) 41 __printflike(4, 5); 42 int __vsprintf_chk(char *__restrict, int, size_t, const char *__restrict, 43 __va_list) 44 __printflike(4, 0); 45 int __snprintf_chk(char *__restrict, size_t, int, size_t, 46 const char *__restrict, ...) 47 __printflike(5, 6); 48 int __vsnprintf_chk(char *__restrict, size_t, int, size_t, 49 const char *__restrict, __va_list) 50 __printflike(5, 0); 51 char *__fgets_chk(char *, int, size_t, FILE *); 52 __END_DECLS 53 54 #if __SSP_FORTIFY_LEVEL > 0 55 56 #define sprintf(str, ...) __extension__ ({ \ 57 char *_ssp_str = (str); \ 58 __builtin___sprintf_chk(_ssp_str, 0, __ssp_bos(_ssp_str), \ 59 __VA_ARGS__); \ 60 }) 61 62 #define vsprintf(str, fmt, ap) __extension__ ({ \ 63 char *_ssp_str = (str); \ 64 __builtin___vsprintf_chk(_ssp_str, 0, __ssp_bos(_ssp_str), fmt, \ 65 ap); \ 66 }) 67 68 #define snprintf(str, len, ...) __extension__ ({ \ 69 char *_ssp_str = (str); \ 70 __builtin___snprintf_chk(_ssp_str, len, 0, __ssp_bos(_ssp_str), \ 71 __VA_ARGS__); \ 72 }) 73 74 #define vsnprintf(str, len, fmt, ap) __extension__ ({ \ 75 char *_ssp_str = (str); \ 76 __builtin___vsnprintf_chk(_ssp_str, len, 0, __ssp_bos(_ssp_str), \ 77 fmt, ap); \ 78 }) 79 80 #define fgets(str, len, fp) __extension__ ({ \ 81 char *_ssp_str = (str); \ 82 __fgets_chk(_ssp_str, len, __ssp_bos(_ssp_str), fp); \ 83 }) 84 85 #endif /* __SSP_FORTIFY_LEVEL > 0 */ 86 87 #endif /* _SSP_STDIO_H_ */ 88