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stdio.h revision 1.1 
      1 /*	$NetBSD: stdio.h,v 1.1 2007/05/30 01:17:35 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  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 #ifndef _SSP_STDIO_H_
     39 #define _SSP_STDIO_H_
     40 
     41 #include <ssp.h>
     42 #include_next <stdio.h>
     43 
     44 __BEGIN_DECLS
     45 int __sprintf_chk(char *__restrict, int, size_t, const char *__restrict, ...)
     46     __attribute__((__format__(__printf__, 4, 5)));
     47 int __vsprintf_chk(char *__restrict, int, size_t, const char *__restrict,
     48     _BSD_VA_LIST_) __attribute__((__format__(__printf__, 4, 0)));
     49 int __snprintf_chk(char *__restrict, size_t, int, size_t,
     50     const char *__restrict, ...) __attribute__((__format__(__printf__, 5, 6)));
     51 int __vsnprintf_chk(char *__restrict, size_t, int, size_t,
     52      const char *__restrict, _BSD_VA_LIST_)
     53      __attribute__((__format__(__printf__, 5, 0)));
     54 char *__gets_chk(char *, size_t);
     55 char *__fgets_chk(char *, int, size_t, FILE *);
     56 __END_DECLS
     57 
     58 #if __SSP_FORTIFY_LEVEL > 0
     59 
     60 
     61 #define sprintf(str, ...) \
     62     __builtin___sprintf_chk(str, 0, __ssp_bos(str), __VA_ARGS__)
     63 
     64 #define vsprintf(str, fmt, ap) \
     65     __builtin___vsprintf_chk(str, 0, __ssp_bos(str), fmt, ap)
     66 
     67 #define snprintf(str, len, ...) \
     68     __builtin___snprintf_chk(str, len, 0, __ssp_bos(str), __VA_ARGS__)
     69 
     70 #define vsnprintf(str, len, fmt, ap) \
     71     __builtin___vsnprintf_chk(str, len, 0, __ssp_bos(str), fmt, ap)
     72 
     73 #define gets(str) \
     74     __gets_chk(str, __ssp_bos(str))
     75 
     76 #define fgets(str, len, fp) \
     77     __fgets_chk(str, len, __ssp_bos(str), fp)
     78 #endif /* __SSP_FORTIFY_LEVEL > 0 */
     79 
     80 #endif /* _SSP_STDIO_H_ */
     81