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