xref: /freebsd/contrib/ntp/libntp/lib/isc/include/isc/formatcheck.h (revision a466cc55373fc3cf86837f09da729535b57e69a1)
1 /*
2  * Copyright (C) 2004-2007  Internet Systems Consortium, Inc. ("ISC")
3  * Copyright (C) 2000, 2001  Internet Software Consortium.
4  *
5  * Permission to use, copy, modify, and/or distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15  * PERFORMANCE OF THIS SOFTWARE.
16  */
17 
18 /* $Id: formatcheck.h,v 1.13 2007/06/19 23:47:18 tbox Exp $ */
19 
20 #ifndef ISC_FORMATCHECK_H
21 #define ISC_FORMATCHECK_H 1
22 
23 /*! \file isc/formatcheck.h */
24 
25 /*%
26  * ISC_FORMAT_PRINTF().
27  *
28  * \li fmt is the location of the format string parameter.
29  * \li args is the location of the first argument (or 0 for no argument checking).
30  *
31  * Note:
32  * \li The first parameter is 1, not 0.
33  */
34 #ifdef __GNUC__
35 #define ISC_FORMAT_PRINTF(fmt, args) __attribute__((__format__(__printf__, fmt, args)))
36 #else
37 #define ISC_FORMAT_PRINTF(fmt, args)
38 #endif
39 
40 #endif /* ISC_FORMATCHECK_H */
41