HardenedBSD/include/ssp/stdio.h

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/* $NetBSD: stdio.h,v 1.5 2011/07/17 20:54:34 joerg Exp $ */
/*-
*
* SPDX-License-Identifier: BSD-2-Clause
*
* Copyright (c) 2006 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _SSP_STDIO_H_
#define _SSP_STDIO_H_
#include <ssp/ssp.h>
__BEGIN_DECLS
#if __SSP_FORTIFY_LEVEL > 0
#if __POSIX_VISIBLE
__ssp_redirect_raw(char *, ctermid, ctermid, (char *__buf), (__buf),
__buf != NULL, __ssp_bos, L_ctermid);
#if __BSD_VISIBLE
__ssp_redirect_raw(char *, ctermid_r, ctermid_r, (char *__buf), (__buf),
__buf != NULL, __ssp_bos, L_ctermid);
#endif /* __BSD_VISIBLE */
#endif /* __POSIX_VISIBLE */
__ssp_redirect(size_t, fread, (void *__restrict __buf, size_t __len,
size_t __nmemb, FILE *__restrict __fp), (__buf, __len, __nmemb, __fp));
__ssp_redirect(size_t, fread_unlocked, (void *__restrict __buf, size_t __len,
size_t __nmemb, FILE *__restrict __fp), (__buf, __len, __nmemb, __fp));
__ssp_redirect(char *, gets_s, (char *__buf, rsize_t __len), (__buf, __len));
__ssp_redirect_raw(char *, tmpnam, tmpnam, (char *__buf), (__buf), 1,
__ssp_bos, L_tmpnam);
#endif
int __sprintf_chk(char *__restrict, int, size_t, const char *__restrict, ...)
__printflike(4, 5);
int __vsprintf_chk(char *__restrict, int, size_t, const char *__restrict,
__va_list)
__printflike(4, 0);
int __snprintf_chk(char *__restrict, size_t, int, size_t,
const char *__restrict, ...)
__printflike(5, 6);
int __vsnprintf_chk(char *__restrict, size_t, int, size_t,
const char *__restrict, __va_list)
__printflike(5, 0);
char *__fgets_chk(char *, int, size_t, FILE *);
__END_DECLS
#if __SSP_FORTIFY_LEVEL > 0
#define sprintf(str, ...) __extension__ ({ \
char *_ssp_str = (str); \
__builtin___sprintf_chk(_ssp_str, 0, __ssp_bos(_ssp_str), \
__VA_ARGS__); \
})
#define vsprintf(str, fmt, ap) __extension__ ({ \
char *_ssp_str = (str); \
__builtin___vsprintf_chk(_ssp_str, 0, __ssp_bos(_ssp_str), fmt, \
ap); \
})
#define snprintf(str, len, ...) __extension__ ({ \
char *_ssp_str = (str); \
__builtin___snprintf_chk(_ssp_str, len, 0, __ssp_bos(_ssp_str), \
__VA_ARGS__); \
})
#define vsnprintf(str, len, fmt, ap) __extension__ ({ \
char *_ssp_str = (str); \
__builtin___vsnprintf_chk(_ssp_str, len, 0, __ssp_bos(_ssp_str), \
fmt, ap); \
})
#define fgets(str, len, fp) __extension__ ({ \
char *_ssp_str = (str); \
__fgets_chk(_ssp_str, len, __ssp_bos(_ssp_str), fp); \
})
#endif /* __SSP_FORTIFY_LEVEL > 0 */
#endif /* _SSP_STDIO_H_ */