common.h.in revision 269257
1/** 2 * \file common.h 3 * 4 * Common definitions for LDNS 5 */ 6 7/** 8 * a Net::DNS like library for C 9 * 10 * (c) NLnet Labs, 2004-2006 11 * 12 * See the file LICENSE for the license 13 */ 14 15#ifndef LDNS_COMMON_H 16#define LDNS_COMMON_H 17 18/* 19 * The build configuration that is used in the distributed headers, 20 * as detected and determined by the auto configure script. 21 */ 22#define LDNS_BUILD_CONFIG_HAVE_SSL @ldns_build_config_have_ssl@ 23#define LDNS_BUILD_CONFIG_HAVE_INTTYPES_H @ldns_build_config_have_inttypes_h@ 24#define LDNS_BUILD_CONFIG_HAVE_ATTR_FORMAT @ldns_build_config_have_attr_format@ 25#define LDNS_BUILD_CONFIG_HAVE_ATTR_UNUSED @ldns_build_config_have_attr_unused@ 26#define LDNS_BUILD_CONFIG_HAVE_SOCKLEN_T @ldns_build_config_have_socklen_t@ 27#define LDNS_BUILD_CONFIG_USE_DANE @ldns_build_config_use_dane@ 28#define LDNS_BUILD_CONFIG_HAVE_B32_PTON @ldns_build_config_have_b32_pton@ 29#define LDNS_BUILD_CONFIG_HAVE_B32_NTOP @ldns_build_config_have_b32_ntop@ 30 31/* 32 * HAVE_STDBOOL_H is not available when distributed as a library, but no build 33 * configuration variables may be used (like those above) because the header 34 * is sometimes only available when using special compiler flags to enable the 35 * c99 environment. Because we cannot force the usage of this flag, we have to 36 * provide a default type. Below what is suggested by the autoconf manual. 37 */ 38/*@ignore@*/ 39/* splint barfs on this construct */ 40#ifdef HAVE_STDBOOL_H 41# include <stdbool.h> 42#else 43# ifndef HAVE__BOOL 44# ifdef __cplusplus 45typedef bool _Bool; 46# else 47# define _Bool signed char 48# endif 49# endif 50# define bool _Bool 51# define false 0 52# define true 1 53# define __bool_true_false_are_defined 1 54#endif 55/*@end@*/ 56 57#if LDNS_BUILD_CONFIG_HAVE_ATTR_FORMAT 58#define ATTR_FORMAT(archetype, string_index, first_to_check) \ 59 __attribute__ ((format (archetype, string_index, first_to_check))) 60#else /* !LDNS_BUILD_CONFIG_HAVE_ATTR_FORMAT */ 61#define ATTR_FORMAT(archetype, string_index, first_to_check) /* empty */ 62#endif /* !LDNS_BUILD_CONFIG_HAVE_ATTR_FORMAT */ 63 64#if defined(__cplusplus) 65#define ATTR_UNUSED(x) 66#elif LDNS_BUILD_CONFIG_HAVE_ATTR_UNUSED 67#define ATTR_UNUSED(x) x __attribute__((unused)) 68#else /* !LDNS_BUILD_CONFIG_HAVE_ATTR_UNUSED */ 69#define ATTR_UNUSED(x) x 70#endif /* !LDNS_BUILD_CONFIG_HAVE_ATTR_UNUSED */ 71 72#if !LDNS_BUILD_CONFIG_HAVE_SOCKLEN_T 73typedef int socklen_t; 74#endif 75 76#endif /* LDNS_COMMON_H */ 77