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 1 23 #define LDNS_BUILD_CONFIG_HAVE_INTTYPES_H 1 24 #define LDNS_BUILD_CONFIG_HAVE_ATTR_FORMAT 1 25 #define LDNS_BUILD_CONFIG_HAVE_ATTR_UNUSED 1 26 #define LDNS_BUILD_CONFIG_HAVE_SOCKLEN_T 1 27 #define LDNS_BUILD_CONFIG_USE_DANE 1 28 #define LDNS_BUILD_CONFIG_HAVE_B32_PTON 0 29 #define LDNS_BUILD_CONFIG_HAVE_B32_NTOP 0 30 #define LDNS_BUILD_CONFIG_USE_DSA 1 31 #define LDNS_BUILD_CONFIG_USE_ED25519 0 32 #define LDNS_BUILD_CONFIG_USE_ED448 0 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 49 typedef 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 78 typedef int socklen_t; 79 #endif 80 81 #endif /* LDNS_COMMON_H */ 82