5 /* Auxiliary PDCLib code <_PDCLIB_aux.h>
7 This file is part of the Public Domain C Library (PDCLib).
8 Permission is granted to use, modify, and / or redistribute at will.
11 /* -------------------------------------------------------------------------- */
12 /* Standard Version */
13 /* -------------------------------------------------------------------------- */
15 /* Many a compiler gets this wrong, so you might have to hardcode it instead. */
18 #error Compiler does not define _ _STDC_ _ to 1 (not standard-compliant)!
21 #ifndef __STDC_VERSION__
22 #define _PDCLIB_C_VERSION 90
23 #define _PDCLIB_restrict
24 #elif __STDC_VERSION__ == 199409L
25 #define _PDCLIB_C_VERSION 95
26 #define _PDCLIB_restrict
27 #elif __STDC_VERSION__ == 199901L
28 #define _PDCLIB_C_VERSION 99
29 #define _PDCLIB_restrict restrict
31 #error Unsupported _ _STDC_VERSION_ _ (__STDC_VERSION__) (supported: ISO/IEC 9899:1990, 9899/AMD1:1995, and 9899:1999).
34 #ifndef __STDC_HOSTED__
35 #warning Compiler does not define _ _STDC_HOSTED_ _ (not standard-compliant)!
36 #elif __STDC_HOSTED__ == 0
37 #define _PDCLIB_HOSTED 0
38 #elif __STDC_HOSTED__ == 1
39 #define _PDCLIB_HOSTED 1
41 #error Compiler does not define _ _STDC_HOSTED_ _ to 0 or 1 (not standard-compliant)!
44 #if _PDCLIB_C_VERSION != 99
45 #warning Up to and including v1.x, PDCLib is only aiming at ISO/IEC 9899:1999 (C99).
46 #warning PDCLib might not be fully conforming to either C89 or C95 prior to v2.x.
49 /* -------------------------------------------------------------------------- */
51 /* _PDCLIB_cc( x, y ) concatenates two preprocessor tokens without extending */
52 /* _PDCLIB_concat( x, y ) concatenates two preprocessor tokens with extending */
53 /* -------------------------------------------------------------------------- */
55 #define _PDCLIB_cc( x, y ) x ## y
56 #define _PDCLIB_concat( x, y ) _PDCLIB_cc( x, y )
58 #define _PDCLIB_symbol2value( x ) #x
59 #define _PDCLIB_symbol2string( x ) _PDCLIB_symbol2value( x )
60 #define _PDCLIB_symbol2identity( x ) x