NetBSD/include/ssp/unistd.h
christos 416c220c02 Re-do ssp hijacking by defining inline functions and using the weak libc
symbols to do the indirection for unistd.h instead of #define tricks.
Fixes compilation for things that define struct { ssize_t read(int fd, ...); }.
2011-01-19 19:21:29 +00:00

51 lines
2.0 KiB
C

/* $NetBSD: unistd.h,v 1.5 2011/01/19 19:21:29 christos Exp $ */
/*-
* 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_UNISTD_H_
#define _SSP_UNISTD_H_
#include <ssp/ssp.h>
#if __SSP_FORTIFY_LEVEL > 0
__BEGIN_DECLS
__ssp_redirect0(ssize_t, read, (int __fd, void *__buf, size_t __len), \
(__fd, __buf, __len));
__ssp_redirect(int, readlink, (const char *__restrict __path, \
char *__restrict __buf, size_t __len), (__path, __buf, __len));
__ssp_redirect(char *, getcwd, (char *__buf, size_t __len), (__buf, __len));
__END_DECLS
#endif /* __SSP_FORTIFY_LEVEL > 0 */
#endif /* _SSP_UNISTD_H_ */