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#define LDNS_BUILD_CONFIG_USE_DSA @ldns_build_config_use_dsa@ 31#define LDNS_BUILD_CONFIG_USE_ED25519 @ldns_build_config_use_ed25519@ 32#define LDNS_BUILD_CONFIG_USE_ED448 @ldns_build_config_use_ed448@ 33 34/* 35 * HAVE_STDBOOL_H is not available when distributed as a library, but no build 36 * configuration variables may be used (like those above) because the header 37 * is sometimes only available when using special compiler flags to enable the 38 * c99 environment. Because we cannot force the usage of this flag, we have to 39 * provide a default type. Below what is suggested by the autoconf manual. 40 */ 41/*@ignore@*/ 42/* splint barfs on this construct */ 43#ifndef __bool_true_false_are_defined 44# ifdef HAVE_STDBOOL_H 45# include <stdbool.h> 46# else 47# ifndef HAVE__BOOL 48# ifdef __cplusplus 49typedef bool _Bool; 50# else 51# define _Bool signed char 52# endif 53# endif 54# define bool _Bool 55# define false 0 56# define true 1 57# define __bool_true_false_are_defined 1 58# endif 59#endif 60/*@end@*/ 61 62#if LDNS_BUILD_CONFIG_HAVE_ATTR_FORMAT 63#define ATTR_FORMAT(archetype, string_index, first_to_check) \ 64 __attribute__ ((format (archetype, string_index, first_to_check))) 65#else /* !LDNS_BUILD_CONFIG_HAVE_ATTR_FORMAT */ 66#define ATTR_FORMAT(archetype, string_index, first_to_check) /* empty */ 67#endif /* !LDNS_BUILD_CONFIG_HAVE_ATTR_FORMAT */ 68 69#if defined(__cplusplus) 70#define ATTR_UNUSED(x) 71#elif LDNS_BUILD_CONFIG_HAVE_ATTR_UNUSED 72#define ATTR_UNUSED(x) x __attribute__((unused)) 73#else /* !LDNS_BUILD_CONFIG_HAVE_ATTR_UNUSED */ 74#define ATTR_UNUSED(x) x 75#endif /* !LDNS_BUILD_CONFIG_HAVE_ATTR_UNUSED */ 76 77#if !LDNS_BUILD_CONFIG_HAVE_SOCKLEN_T 78typedef int socklen_t; 79#endif 80 81#endif /* LDNS_COMMON_H */ 82