-/* $Id$ */\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)
+ #define _PDCLIB_CXX_VERSION 0
+#elif __cplusplus == 201103L
+ #define _PDCLIB_CXX_VERSION 2011
+ /* TODO: Do we want this? */
+ #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_nothrow noexcept
+ #define _PDCLIB_noexcept(x) noexcept(x)
+#elif _PDCLIB_CXX_VERSION
+ #define _PDCLIB_nothrow throw()
+ #define _PDCLIB_noexcept
+#endif
+
+#if _PDCLIB_CXX_VERSION >= 2011
+ // Hold off on C++ attribute syntax for now
+ // #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_nothrow
+ #define _PDCLIB_nothrow __attribute__((__nothrow__))
+ #define _PDCLIB_noexcept
+ #endif
+
+ #ifndef _PDCLIB_restrict
+ #define _PDCLIB_restrict __restrict
+ #endif
+
+ #ifndef _PDCLIB_inline
+ #define _PDCLIB_inline __inline
+ #endif
+
+ #ifndef _PDCLIB_noreturn
+ /* If you don't use __noreturn__, then stdnoreturn.h will break things! */
+ #define _PDCLIB_noreturn __attribute__((__noreturn__))
+ #endif
+#endif
+
+#ifndef _PDCLIB_nothrow
+ #define _PDCLIB_nothrow
+ #define _PDCLIB_noexcept
+#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
+#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_concat3( x, y, z ) _PDCLIB_concat( _PDCLIB_concat( x, y ), z )
+
+#define _PDCLIB_symbol2value( x ) #x
+#define _PDCLIB_symbol2string( x ) _PDCLIB_symbol2value( x )
+
+/* Feature test macros
+ *
+ * All of the feature test macros come in the following forms
+ * _PDCLIB_*_MIN(min): Available in versions > min
+ * _PDCLIB_*_MINMAX(min, max): Available in versions > min < max
+ * _PDCLIB_*_MAX(max): Availabel in versions < max
+ *
+ * The defined tests are:
+ * C: C standard versions
+ * 1990, 1995, 1999, 2011
+ * CXX: C++ standard versions
+ * 1997, 2011
+ * POSIX: POSIX extension versions.
+ * 1 (POSIX.2), 2 (POSIX.2), 199309L (POSIX.1b),
+ * 199506L (POSIX.1c), 200112L (2001), 200809L (2008)
+ * XOPEN: X/Open System Interface (XSI)/Single Unix Specification
+ * 0 (XPG4), 500 (SUSv2/UNIX98), 600 (SUSv3/UNIX03), 700 (SUSv4)
+ *
+ * PDCLib does not attempt or claim POSIX comformance, but makes available these
+ * extensions as
+ * (a) useful, and
+ * (b)
+ */
+#define _PDCLIB_C_MIN(min) _PDCLIB_C_MINMAX(min, 3000)
+#define _PDCLIB_CXX_MIN(min) _PDCLIB_CXX_MINMAX(min, 3000)
+#define _PDCLIB_XOPEN_MIN(min) _PDCLIB_XOPEN_MINMAX(min, 30000000)
+#define _PDCLIB_POSIX_MIN(min) _PDCLIB_POSIX_MINMAX(min, 30000000)
+#define _PDCLIB_C_MAX(max) _PDCLIB_C_MINMAX(0, max)
+#define _PDCLIB_CXX_MAX(max) _PDCLIB_CXX_MINMAX(0, max)
+#define _PDCLIB_XOPEN_MAX(max) _PDCLIB_XOPEN_MINMAX(0, max)
+#define _PDCLIB_POSIX_MAX(max) _PDCLIB_POSIX_MINMAX(0, max)
+#if defined(_PDCLIB_EXTENSIONS) || defined(_PDCLIB_BUILD)
+ #define _PDCLIB_C_MINMAX(min, max) 1
+ #define _PDCLIB_CXX_MINMAX(min, max) 1
+ #define _PDCLIB_POSIX_MINMAX(min, max) 1
+ #define _PDCLIB_XOPEN_MINMAX(min, max) 1
+#else
+ #define _PDCLIB_C_MINMAX(min, max) \
+ (_PDCLIB_C_VERSION >= (min) && _PDCLIB_C_VERSION <= (max))
+ #define _PDCLIB_CXX_MINMAX(min, max) \
+ (_PDCLIB_CXX_VERSION >= (min) && _PDCLIB_CXX_VERSION <= (max))
+ #define _PDCLIB_XOPEN_MINMAX(min, max) \
+ (defined(_XOPEN_SOURCE) \
+ && _XOPEN_SOURCE >= (min) && _XOPEN_SOURCE <= (max))
+ #define _PDCLIB_POSIX_MINMAX(min, max) \
+ (defined(_POSIX_C_SOURCE) \
+ && _POSIX_C_SOURCE >= (min) && _POSIX_C_SOURCE <= (max))
+
+ #if defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE-1 == -1)
+ /* If _XOPEN_SOURCE is defined as empty, redefine here as zero */
+ #undef _XOPEN_SOURCE
+ #define _XOPEN_SOURCE 0
+ #endif
+
+ #if _PDCLIB_XOPEN_MIN(700) && !_PDCLIB_POSIX_MIN(200809L)
+ #undef _POSIX_C_SOURCE
+ #define _POSIX_C_SOURCE 2008098L
+ #elif _PDCLIB_XOPEN_MIN(600) && !_PDCLIB_POSIX_MIN(200112L)
+ #undef _POSIX_C_SOURCE
+ #define _POSIX_C_SOURCE 200112L
+ #elif _PDCLIB_XOPEN_MIN(0) && !_PDCLIB_POSIX_MIN(2)
+ #undef _POSIX_C_SOURCE
+ #define _POSIX_C_SOURCE 2
+ #endif
+
+ #if defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE)
+ #define _POSIX_C_SOURCE 1
+ #endif
+#endif
+
+#endif
projects / pdclib / blobdiff