contrib/bind-9.5.2/lib/lwres/print_p.h

   1 /*
   2  * Copyright (C) 2004, 2007  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: print_p.h,v 1.4 2007/06/19 23:47:22 tbox Exp $ */
  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 #define vsnprintf lwres__print_vsnprintf
  71
  72 int
  73 lwres__print_snprintf(char *str, size_t size, const char *format, ...)
  74      LWRES_FORMAT_PRINTF(3, 4);
  75 #define snprintf lwres__print_snprintf
  76 #endif /* LWRES_PLATFORM_NEEDVSNPRINTF */
  77
  78 #ifdef LWRES_PLATFORM_NEEDSPRINTF
  79 int
  80 lwres__print_sprintf(char *str, const char *format, ...) LWRES_FORMAT_PRINTF(2, 3);
  81 #define sprintf lwres__print_sprintf
  82 #endif
  83
  84 LWRES_LANG_ENDDECLS
  85
  86 #endif /* LWRES_PRINT_P_H */