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, stdbool.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