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
40int __sprintf_chk(char *__restrict, int, size_t, const char *__restrict, ...)
41    __printflike(4, 5);
42int __vsprintf_chk(char *__restrict, int, size_t, const char *__restrict,
43    __va_list)
44    __printflike(4, 0);
45int __snprintf_chk(char *__restrict, size_t, int, size_t,
46    const char *__restrict, ...)
47    __printflike(5, 6);
48int __vsnprintf_chk(char *__restrict, size_t, int, size_t,
49     const char *__restrict, __va_list)
50    __printflike(5, 0);
51char *__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