-#ifndef __PDCLIB_AUX_H
-#define __PDCLIB_AUX_H __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.
*/
+#ifndef __PDCLIB_AUX_H
+#define __PDCLIB_AUX_H __PDCLIB_AUX_H
+
/* -------------------------------------------------------------------------- */
/* 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). */
#endif
#ifdef __cplusplus
- #define _PDCLIB_BEGIN_EXTERN_C extern "C" {
- #define _PDCLIB_END_EXTERN_C }
typedef bool _PDCLIB_bool;
#else
- #define _PDCLIB_BEGIN_EXTERN_C
- #define _PDCLIB_END_EXTERN_C
typedef _Bool _PDCLIB_bool;
#endif
/* Helper macros: */
/* _PDCLIB_cc( x, y ) concatenates two preprocessor tokens without extending */
/* _PDCLIB_concat( x, y ) concatenates two preprocessor tokens with extending */
+/* _PDCLIB_concat3( x, y, z ) is the same for three tokens */
+/* _PDCLIB_static_assert( x ) provides a compile-time check mechanism */
/* -------------------------------------------------------------------------- */
#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 )
+#if _PDCLIB_C_VERSION >= 2011
+#define _PDCLIB_static_assert _Static_assert
+#else
+#define _PDCLIB_static_assert( e, m ) ;enum { _PDCLIB_concat( _PDCLIB_assert_, __LINE__ ) = 1 / ( !!( e ) ) }
+#endif
#define _PDCLIB_symbol2value( x ) #x
#define _PDCLIB_symbol2string( x ) _PDCLIB_symbol2value( x )