/contrib/bind9/lib/lwres/print_p.h

 1/*
 2 * Copyright (C) 2004, 2007, 2010, 2012  Internet Systems Consortium, Inc. ("ISC")
 3 * Copyright (C) 1999-2001, 2003  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/* $Id$ */
19
20#ifndef LWRES_PRINT_P_H
21#define LWRES_PRINT_P_H 1
22
23/***
24 *** Imports
25 ***/
26
27#include <lwres/lang.h>
28#include <lwres/platform.h>
29
30/*
31 * This block allows lib/lwres/print.c to be cleanly compiled even if
32 * the platform does not need it.  The standard Makefile will still
33 * not compile print.c or archive print.o, so this is just to make test
34 * compilation ("make print.o") easier.
35 */
36#if !defined(LWRES_PLATFORM_NEEDVSNPRINTF) && defined(LWRES__PRINT_SOURCE)
37#define LWRES_PLATFORM_NEEDVSNPRINTF
38#endif
39
40#if !defined(LWRES_PLATFORM_NEEDSPRINTF) && defined(LWRES__PRINT_SOURCE)
41#define LWRES_PLATFORM_NEEDSPRINTF
42#endif
43
44/***
45 *** Macros.
46 ***/
47
48#ifdef __GNUC__
49#define LWRES_FORMAT_PRINTF(fmt, args) \
50	__attribute__((__format__(__printf__, fmt, args)))
51#else
52#define LWRES_FORMAT_PRINTF(fmt, args)
53#endif
54
55/***
56 *** Functions
57 ***/
58
59#ifdef LWRES_PLATFORM_NEEDVSNPRINTF
60#include <stdarg.h>
61#include <stddef.h>
62#endif
63
64LWRES_LANG_BEGINDECLS
65
66#ifdef LWRES_PLATFORM_NEEDVSNPRINTF
67int
68lwres__print_vsnprintf(char *str, size_t size, const char *format, va_list ap)
69     LWRES_FORMAT_PRINTF(3, 0);
70#ifdef vsnprintf
71#undef vsnprintf
72#endif
73#define vsnprintf lwres__print_vsnprintf
74
75int
76lwres__print_snprintf(char *str, size_t size, const char *format, ...)
77     LWRES_FORMAT_PRINTF(3, 4);
78#ifdef snprintf
79#undef snprintf
80#endif
81#define snprintf lwres__print_snprintf
82#endif /* LWRES_PLATFORM_NEEDVSNPRINTF */
83
84#ifdef LWRES_PLATFORM_NEEDSPRINTF
85int
86lwres__print_sprintf(char *str, const char *format, ...) LWRES_FORMAT_PRINTF(2, 3);
87#ifdef sprintf
88#undef sprintf
89#endif
90#define sprintf lwres__print_sprintf
91#endif
92
93LWRES_LANG_ENDDECLS
94
95#endif /* LWRES_PRINT_P_H */