include/ssp/stdio.h

   1 /*      $NetBSD: stdio.h,v 1.4 2010/02/25 18:37:13 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     _BSD_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, _BSD_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_ */