1 /////////////////////////////////////////////////////////////////////////////// 2 // 3 /// \file tuklib_common.h 4 /// \brief Common definitions for tuklib modules 5 // 6 // Author: Lasse Collin 7 // 8 // This file has been put into the public domain. 9 // You can do whatever you want with this file. 10 // 11 /////////////////////////////////////////////////////////////////////////////// 12 13 #ifndef TUKLIB_COMMON_H 14 #define TUKLIB_COMMON_H 15 16 // The config file may be replaced by a package-specific file. 17 // It should include at least stddef.h, inttypes.h, and limits.h. 18 #include "tuklib_config.h" 19 20 // TUKLIB_SYMBOL_PREFIX is prefixed to all symbols exported by 21 // the tuklib modules. If you use a tuklib module in a library, 22 // you should use TUKLIB_SYMBOL_PREFIX to make sure that there 23 // are no symbol conflicts in case someone links your library 24 // into application that also uses the same tuklib module. 25 #ifndef TUKLIB_SYMBOL_PREFIX 26 # define TUKLIB_SYMBOL_PREFIX 27 #endif 28 29 #define TUKLIB_CAT_X(a, b) a ## b 30 #define TUKLIB_CAT(a, b) TUKLIB_CAT_X(a, b) 31 32 #ifndef TUKLIB_SYMBOL 33 # define TUKLIB_SYMBOL(sym) TUKLIB_CAT(TUKLIB_SYMBOL_PREFIX, sym) 34 #endif 35 36 #ifndef TUKLIB_DECLS_BEGIN 37 # ifdef __cplusplus 38 # define TUKLIB_DECLS_BEGIN extern "C" { 39 # else 40 # define TUKLIB_DECLS_BEGIN 41 # endif 42 #endif 43 44 #ifndef TUKLIB_DECLS_END 45 # ifdef __cplusplus 46 # define TUKLIB_DECLS_END } 47 # else 48 # define TUKLIB_DECLS_END 49 # endif 50 #endif 51 52 #if defined(__GNUC__) && defined(__GNUC_MINOR__) 53 # define TUKLIB_GNUC_REQ(major, minor) \ 54 ((__GNUC__ == (major) && __GNUC_MINOR__ >= (minor)) \ 55 || __GNUC__ > (major)) 56 #else 57 # define TUKLIB_GNUC_REQ(major, minor) 0 58 #endif 59 60 #if TUKLIB_GNUC_REQ(2, 5) 61 # define tuklib_attr_noreturn __attribute__((__noreturn__)) 62 #else 63 # define tuklib_attr_noreturn 64 #endif 65 66 #if (defined(_WIN32) && !defined(__CYGWIN__)) \ 67 || defined(__OS2__) || defined(__MSDOS__) 68 # define TUKLIB_DOSLIKE 1 69 #endif 70 71 #endif 72