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[FreeBSD/releng/9.2.git] / 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
64 LWRES_LANG_BEGINDECLS
65
66 #ifdef LWRES_PLATFORM_NEEDVSNPRINTF
67 int
68 lwres__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
75 int
76 lwres__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
85 int
86 lwres__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
93 LWRES_LANG_ENDDECLS
94
95 #endif /* LWRES_PRINT_P_H */