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 #if __SSP_FORTIFY_LEVEL > 0 41 #if __POSIX_VISIBLE 42 __ssp_redirect_raw(char *, ctermid, ctermid, (char *__buf), (__buf), 43 __buf != NULL, __ssp_bos, L_ctermid); 44 #if __BSD_VISIBLE 45 __ssp_redirect_raw(char *, ctermid_r, ctermid_r, (char *__buf), (__buf), 46 __buf != NULL, __ssp_bos, L_ctermid); 47 #endif /* __BSD_VISIBLE */ 48 #endif /* __POSIX_VISIBLE */ 49 __ssp_redirect(size_t, fread, (void *__restrict __buf, size_t __len, 50 size_t __nmemb, FILE *__restrict __fp), (__buf, __len, __nmemb, __fp)); 51 __ssp_redirect(size_t, fread_unlocked, (void *__restrict __buf, size_t __len, 52 size_t __nmemb, FILE *__restrict __fp), (__buf, __len, __nmemb, __fp)); 53 __ssp_redirect(char *, gets_s, (char *__buf, rsize_t __len), (__buf, __len)); 54 __ssp_redirect_raw(char *, tmpnam, tmpnam, (char *__buf), (__buf), 1, 55 __ssp_bos, L_tmpnam); 56 #endif 57 58 int __sprintf_chk(char *__restrict, int, size_t, const char *__restrict, ...) 59 __printflike(4, 5); 60 int __vsprintf_chk(char *__restrict, int, size_t, const char *__restrict, 61 __va_list) 62 __printflike(4, 0); 63 int __snprintf_chk(char *__restrict, size_t, int, size_t, 64 const char *__restrict, ...) 65 __printflike(5, 6); 66 int __vsnprintf_chk(char *__restrict, size_t, int, size_t, 67 const char *__restrict, __va_list) 68 __printflike(5, 0); 69 char *__fgets_chk(char *, int, size_t, FILE *); 70 __END_DECLS 71 72 #if __SSP_FORTIFY_LEVEL > 0 73 74 #define sprintf(str, ...) __extension__ ({ \ 75 char *_ssp_str = (str); \ 76 __builtin___sprintf_chk(_ssp_str, 0, __ssp_bos(_ssp_str), \ 77 __VA_ARGS__); \ 78 }) 79 80 #define vsprintf(str, fmt, ap) __extension__ ({ \ 81 char *_ssp_str = (str); \ 82 __builtin___vsprintf_chk(_ssp_str, 0, __ssp_bos(_ssp_str), fmt, \ 83 ap); \ 84 }) 85 86 #define snprintf(str, len, ...) __extension__ ({ \ 87 char *_ssp_str = (str); \ 88 __builtin___snprintf_chk(_ssp_str, len, 0, __ssp_bos(_ssp_str), \ 89 __VA_ARGS__); \ 90 }) 91 92 #define vsnprintf(str, len, fmt, ap) __extension__ ({ \ 93 char *_ssp_str = (str); \ 94 __builtin___vsnprintf_chk(_ssp_str, len, 0, __ssp_bos(_ssp_str), \ 95 fmt, ap); \ 96 }) 97 98 #define fgets(str, len, fp) __extension__ ({ \ 99 char *_ssp_str = (str); \ 100 __fgets_chk(_ssp_str, len, __ssp_bos(_ssp_str), fp); \ 101 }) 102 103 #endif /* __SSP_FORTIFY_LEVEL > 0 */ 104 105 #endif /* _SSP_STDIO_H_ */ 106