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 */ 96