-/* $Id$ */\r
-\r
-/* Auxiliary PDCLib code <_PDCLIB_aux.h>\r
-\r
- This file is part of the Public Domain C Library (PDCLib).\r
- Permission is granted to use, modify, and / or redistribute at will.\r
-*/\r
-\r
-/* -------------------------------------------------------------------------- */\r
-/* You should not have to edit anything in this file; if you DO have to, it */\r
-/* would be considered a bug / missing feature: notify the author(s). */\r
-/* -------------------------------------------------------------------------- */\r
-\r
-/* -------------------------------------------------------------------------- */\r
-/* Standard Version */\r
-/* -------------------------------------------------------------------------- */\r
-\r
-/* Many a compiler gets this wrong, so you might have to hardcode it instead. */\r
-\r
-#if __STDC__ != 1\r
-#error Compiler does not define _ _STDC_ _ to 1 (not standard-compliant)!\r
-#endif\r
-\r
-#ifndef __STDC_VERSION__\r
-#define _PDCLIB_C_VERSION 90\r
-#define _PDCLIB_restrict\r
-#define _PDCLIB_inline\r
-#elif __STDC_VERSION__ == 199409L\r
-#define _PDCLIB_C_VERSION 95\r
-#define _PDCLIB_restrict\r
-#define _PDCLIB_inline\r
-#elif __STDC_VERSION__ == 199901L\r
-#define _PDCLIB_C_VERSION 99\r
-#define _PDCLIB_restrict restrict\r
-#define _PDCLIB_inline inline\r
-#else\r
-#error Unsupported _ _STDC_VERSION_ _ (__STDC_VERSION__) (supported: ISO/IEC 9899:1990, 9899/AMD1:1995, and 9899:1999).\r
-#endif\r
-\r
-#ifndef __STDC_HOSTED__\r
-#error Compiler does not define _ _STDC_HOSTED_ _ (not standard-compliant)!\r
-#elif __STDC_HOSTED__ == 0\r
-#define _PDCLIB_HOSTED 0\r
-#elif __STDC_HOSTED__ == 1\r
-#define _PDCLIB_HOSTED 1\r
-#else\r
-#error Compiler does not define _ _STDC_HOSTED_ _ to 0 or 1 (not standard-compliant)!\r
-#endif\r
-\r
-#if _PDCLIB_C_VERSION != 99\r
-#error PDCLib might not be fully conforming to either C89 or C95 prior to v2.x.\r
-#endif\r
-\r
-/* -------------------------------------------------------------------------- */\r
-/* Helper macros: */\r
-/* _PDCLIB_cc( x, y ) concatenates two preprocessor tokens without extending */\r
-/* _PDCLIB_concat( x, y ) concatenates two preprocessor tokens with extending */\r
-/* -------------------------------------------------------------------------- */\r
-\r
-#define _PDCLIB_cc( x, y ) x ## y\r
-#define _PDCLIB_concat( x, y ) _PDCLIB_cc( x, y )\r
-\r
-#define _PDCLIB_symbol2value( x ) #x\r
-#define _PDCLIB_symbol2string( x ) _PDCLIB_symbol2value( x )\r
-#define _PDCLIB_symbol2identity( x ) x\r
+#ifndef _PDCLIB_AUX_H
+#define _PDCLIB_AUX_H
+
+/* Auxiliary PDCLib code <_PDCLIB_aux.h>
+
+ This file is part of the Public Domain C Library (PDCLib).
+ Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+/* -------------------------------------------------------------------------- */
+/* You should not have to edit anything in this file; if you DO have to, it */
+/* would be considered a bug / missing feature: notify the author(s). */
+/* -------------------------------------------------------------------------- */
+
+/* -------------------------------------------------------------------------- */
+/* Standard Version */
+/* -------------------------------------------------------------------------- */
+
+/* Many a compiler gets this wrong, so you might have to hardcode it instead. */
+
+#if __STDC__ != 1
+#error Compiler does not define _ _STDC_ _ to 1 (not standard-compliant)!
+#endif
+
+#if defined(_PDCLIB_C_VERSION)
+ /* Pass - conditional simplification case */
+#elif !defined(__STDC_VERSION__)
+ #define _PDCLIB_C_VERSION 1990
+#elif __STDC_VERSION__ == 199409L
+ #define _PDCLIB_C_VERSION 1995
+#elif __STDC_VERSION__ == 199901L
+ #define _PDCLIB_C_VERSION 1999
+#elif __STDC_VERSION__ == 201112L
+ #define _PDCLIB_C_VERSION 2011
+#else
+ #error Unsupported _ _STDC_VERSION_ _ (__STDC_VERSION__) (supported: ISO/IEC 9899:1990, 9899/AMD1:1995, 9899:1999, 9899:2011).
+#endif
+
+#if !defined(__cplusplus) || defined(_PDCLIB_CXX_VERSION)
+ /* Pass - conditional simplification case */
+#elif __cplusplus == 201103L
+ #define _PDCLIB_CXX_VERSION 2011
+ #if _PDCLIB_C_VERSION < 2011
+ #undef _PDCLIB_C_VERSION
+ #define _PDCLIB_C_VERSION 2011
+ #endif
+#elif __cplusplus == 199711L
+ #define _PDCLIB_CXX_VERSION 1997
+#else
+ #error Unsupported _ _cplusplus (__cplusplus) (supported: ISO/IEC 14882:1997, ISO/IEC 14882:2011).
+#endif
+
+#if _PDCLIB_C_VERSION >= 1999 || defined(__cplusplus)
+ #ifndef __cplusplus
+ #define _PDCLIB_restrict restrict
+ #endif
+ #define _PDCLIB_inline inline
+#endif
+
+#if _PDCLIB_CXX_VERSION >= 2011
+ #define _PDCLIB_noreturn [[noreturn]]
+#elif _PDCLIB_C_VERSION >= 2011
+ #define _PDCLIB_noreturn _Noreturn
+#endif
+
+#ifdef _WIN32
+ #define _PDCLIB_EXPORT __declspec(dllexport)
+ #define _PDCLIB_IMPORT __declspec(dllimport)
+#endif
+
+#ifdef __GNUC__
+ #ifndef _PDCLIB_EXPORT
+ #define _PDCLIB_EXPORT __attribute__((__visibility__("protected")))
+ #endif
+
+ #ifndef _PDCLIB_IMPORT
+ #define _PDCLIB_IMPORT
+ #endif
+
+ #ifndef _PDCLIB_HIDDEN
+ #define _PDCLIB_HIDDEN __attribute__((__visibility__("hidden")))
+ #endif
+
+ #ifndef _PDCLIB_restrict
+ #define _PDCLIB_restrict __restrict
+ #endif
+
+ #ifndef _PDCLIB_inline
+ #define _PDCLIB_inline __inline
+ #endif
+
+ #ifndef _PDCLIB_noreturn
+ #define _PDCLIB_noreturn __attribute__((noreturn))
+ #endif
+#endif
+
+#ifndef _PDCLIB_EXPORT
+ #define _PDCLIB_EXPORT
+#endif
+#ifndef _PDCLIB_IMPORT
+ #define _PDCLIB_IMPORT
+#endif
+#ifndef _PDCLIB_HIDDEN
+ #define _PDCLIB_HIDDEN
+#endif
+
+#if defined(_PDCLIB_SHARED)
+ #if defined(_PDCLIB_BUILD)
+ #define _PDCLIB_API _PDCLIB_EXPORT
+ #else
+ #define _PDCLIB_API _PDCLIB_IMPORT
+ #endif
+#else
+ #define _PDCLIB_API _PDCLIB_HIDDEN
+#endif
+
+#ifndef _PDCLIB_restrict
+ #define _PDCLIB_restrict
+#endif
+
+#ifndef _PDCLIB_inline
+ #define _PDCLIB_inline
+#endif
+
+#ifndef _PDCLIB_noreturn
+ #define _PDCLIB_noreturn
+#endif
+
+#ifndef __STDC_HOSTED__
+#error Compiler does not define _ _STDC_HOSTED_ _ (not standard-compliant)!
+#elif __STDC_HOSTED__ == 0
+#define _PDCLIB_HOSTED 0
+#elif __STDC_HOSTED__ == 1
+#define _PDCLIB_HOSTED 1
+#else
+#error Compiler does not define _ _STDC_HOSTED_ _ to 0 or 1 (not standard-compliant)!
+#endif
+
+#ifdef __cplusplus
+ #define _PDCLIB_BEGIN_EXTERN_C extern "C" {
+ #define _PDCLIB_END_EXTERN_C }
+#else
+ #define _PDCLIB_BEGIN_EXTERN_C
+ #define _PDCLIB_END_EXTERN_C
+#endif
+
+/*#if _PDCLIB_C_VERSION != 1999
+#error PDCLib might not be fully conforming to either C89 or C95 prior to v2.x.
+#endif*/
+
+/* -------------------------------------------------------------------------- */
+/* Helper macros: */
+/* _PDCLIB_cc( x, y ) concatenates two preprocessor tokens without extending */
+/* _PDCLIB_concat( x, y ) concatenates two preprocessor tokens with extending */
+/* -------------------------------------------------------------------------- */
+
+#define _PDCLIB_cc( x, y ) x ## y
+#define _PDCLIB_concat( x, y ) _PDCLIB_cc( x, y )
+
+#define _PDCLIB_symbol2value( x ) #x
+#define _PDCLIB_symbol2string( x ) _PDCLIB_symbol2value( x )
+
+#ifndef __PDCLIB_PURE
+ #define __PDCLIB_PURE 0
+#endif
+
+#ifndef _PDCLIB_POSIX_EX
+ #define _PDCLIB_POSIX_EX (!__PDCLIB_PURE)
+#endif
+#endif
\ No newline at end of file