include/ssp/unistd.h

   1 /*      $NetBSD: unistd.h,v 1.3 2007/06/03 17:41:19 christos 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_UNISTD_H_
  32 #define _SSP_UNISTD_H_
  33
  34 #include <ssp/ssp.h>
  35
  36 #if __SSP_FORTIFY_LEVEL > 0
  37 __BEGIN_DECLS
  38
  39 __ssp_redirect0(ssize_t, read, (int __fd, void *__buf, size_t __len), \
  40     (__fd, __buf, __len));
  41
  42 __ssp_redirect(int, readlink, (const char *__restrict __path, \
  43     char *__restrict __buf, size_t __len), (__path, __buf, __len));
  44
  45 __ssp_redirect(char *, getcwd, (char *__buf, size_t __len), (__buf, __len));
  46
  47 __END_DECLS
  48
  49 #define read(fd, buf, len)              __ssp_alias_func(read, (fd, buf, len))
  50 #define readlink(path, buf, len)        __ssp_alias_func(readlink, (path, buf, len))
  51 #define getcwd(buf, len)                __ssp_alias_func(getcwd, (buf, len))
  52 #endif /* __SSP_FORTIFY_LEVEL > 0 */
  53 #endif /* _SSP_UNISTD_H_ */