xref: /netbsd/include/ssp/stdio.h (revision 9f2c6cd5)
1 /*	$NetBSD: stdio.h,v 1.5 2011/07/17 20:54:34 joerg Exp $	*/
2 
3 /*-
4  * Copyright (c) 2006 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Christos Zoulas.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 #ifndef _SSP_STDIO_H_
32 #define _SSP_STDIO_H_
33 
34 #include <ssp/ssp.h>
35 
36 __BEGIN_DECLS
37 int __sprintf_chk(char *__restrict, int, size_t, const char *__restrict, ...)
38     __printflike(4, 5);
39 int __vsprintf_chk(char *__restrict, int, size_t, const char *__restrict,
40     __va_list)
41     __printflike(4, 0);
42 int __snprintf_chk(char *__restrict, size_t, int, size_t,
43     const char *__restrict, ...)
44     __printflike(5, 6);
45 int __vsnprintf_chk(char *__restrict, size_t, int, size_t,
46      const char *__restrict, __va_list)
47     __printflike(5, 0);
48 char *__gets_chk(char *, size_t);
49 char *__fgets_chk(char *, int, size_t, FILE *);
50 __END_DECLS
51 
52 #if __SSP_FORTIFY_LEVEL > 0
53 
54 
55 #define sprintf(str, ...) \
56     __builtin___sprintf_chk(str, 0, __ssp_bos(str), __VA_ARGS__)
57 
58 #define vsprintf(str, fmt, ap) \
59     __builtin___vsprintf_chk(str, 0, __ssp_bos(str), fmt, ap)
60 
61 #define snprintf(str, len, ...) \
62     __builtin___snprintf_chk(str, len, 0, __ssp_bos(str), __VA_ARGS__)
63 
64 #define vsnprintf(str, len, fmt, ap) \
65     __builtin___vsnprintf_chk(str, len, 0, __ssp_bos(str), fmt, ap)
66 
67 #define gets(str) \
68     __gets_chk(str, __ssp_bos(str))
69 
70 #define fgets(str, len, fp) \
71     __fgets_chk(str, len, __ssp_bos(str), fp)
72 #endif /* __SSP_FORTIFY_LEVEL > 0 */
73 
74 #endif /* _SSP_STDIO_H_ */
75