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/**
* \file common.h
*
* Common definitions for LDNS
*/
/**
* a Net::DNS like library for C
*
* (c) NLnet Labs, 2004-2006
*
* See the file LICENSE for the license
*/
#ifndef LDNS_COMMON_H
#define LDNS_COMMON_H
/*
* The build configuration that is used in the distributed headers,
* as detected and determined by the auto configure script.
*/
#define LDNS_BUILD_CONFIG_HAVE_SSL @ldns_build_config_have_ssl@
#define LDNS_BUILD_CONFIG_HAVE_INTTYPES_H @ldns_build_config_have_inttypes_h@
#define LDNS_BUILD_CONFIG_HAVE_ATTR_FORMAT @ldns_build_config_have_attr_format@
#define LDNS_BUILD_CONFIG_HAVE_ATTR_UNUSED @ldns_build_config_have_attr_unused@
#define LDNS_BUILD_CONFIG_HAVE_SOCKLEN_T @ldns_build_config_have_socklen_t@
/*
* HAVE_STDBOOL_H is not available when distributed as a library, but no build
* configuration variables may be used (like those above) because the header
* is sometimes only available when using special compiler flags to enable the
* c99 environment. Because we cannot force the usage of this flag, we have to
* provide a default type. Below what is suggested by the autoconf manual.
*/
/*@ignore@*/
/* splint barfs on this construct */
#ifdef HAVE_STDBOOL_H
# include <stdbool.h>
#else
# ifndef HAVE__BOOL
# ifdef __cplusplus
typedef bool _Bool;
# else
# define _Bool signed char
# endif
# endif
# define bool _Bool
# define false 0
# define true 1
# define __bool_true_false_are_defined 1
#endif
/*@end@*/
#if LDNS_BUILD_CONFIG_HAVE_ATTR_FORMAT
#define ATTR_FORMAT(archetype, string_index, first_to_check) \
__attribute__ ((format (archetype, string_index, first_to_check)))
#else /* !LDNS_BUILD_CONFIG_HAVE_ATTR_FORMAT */
#define ATTR_FORMAT(archetype, string_index, first_to_check) /* empty */
#endif /* !LDNS_BUILD_CONFIG_HAVE_ATTR_FORMAT */
#if defined(__cplusplus)
#define ATTR_UNUSED(x)
#elif LDNS_BUILD_CONFIG_HAVE_ATTR_UNUSED
#define ATTR_UNUSED(x) x __attribute__((unused))
#else /* !LDNS_BUILD_CONFIG_HAVE_ATTR_UNUSED */
#define ATTR_UNUSED(x) x
#endif /* !LDNS_BUILD_CONFIG_HAVE_ATTR_UNUSED */
#if !LDNS_BUILD_CONFIG_HAVE_SOCKLEN_T
typedef int socklen_t;
#endif
#endif /* LDNS_COMMON_H */
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