include/ssp/stdio.h

   1 /*      $NetBSD: stdio.h,v 1.2 2007/05/30 21:14:37 tls 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     __attribute__((__format__(__printf__, 4, 5)));
  39 int __vsprintf_chk(char *__restrict, int, size_t, const char *__restrict,
  40     _BSD_VA_LIST_) __attribute__((__format__(__printf__, 4, 0)));
  41 int __snprintf_chk(char *__restrict, size_t, int, size_t,
  42     const char *__restrict, ...) __attribute__((__format__(__printf__, 5, 6)));
  43 int __vsnprintf_chk(char *__restrict, size_t, int, size_t,
  44      const char *__restrict, _BSD_VA_LIST_)
  45      __attribute__((__format__(__printf__, 5, 0)));
  46 char *__gets_chk(char *, size_t);
  47 char *__fgets_chk(char *, int, size_t, FILE *);
  48 __END_DECLS
  49
  50 #if __SSP_FORTIFY_LEVEL > 0
  51
  52
  53 #define sprintf(str, ...) \
  54     __builtin___sprintf_chk(str, 0, __ssp_bos(str), __VA_ARGS__)
  55
  56 #define vsprintf(str, fmt, ap) \
  57     __builtin___vsprintf_chk(str, 0, __ssp_bos(str), fmt, ap)
  58
  59 #define snprintf(str, len, ...) \
  60     __builtin___snprintf_chk(str, len, 0, __ssp_bos(str), __VA_ARGS__)
  61
  62 #define vsnprintf(str, len, fmt, ap) \
  63     __builtin___vsnprintf_chk(str, len, 0, __ssp_bos(str), fmt, ap)
  64
  65 #define gets(str) \
  66     __gets_chk(str, __ssp_bos(str))
  67
  68 #define fgets(str, len, fp) \
  69     __fgets_chk(str, len, __ssp_bos(str), fp)
  70 #endif /* __SSP_FORTIFY_LEVEL > 0 */
  71
  72 #endif /* _SSP_STDIO_H_ */