X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b4da152ea3ec3968fb2f304b6ed73e0279c19506..6dd16e4f26490f1f4f2be1204840cbf4ecf74a35:/include/wx/defs.h diff --git a/include/wx/defs.h b/include/wx/defs.h index 7216f53f05..4d6f2106b5 100644 --- a/include/wx/defs.h +++ b/include/wx/defs.h @@ -174,35 +174,26 @@ typedef unsigned int bool; #endif // bool -#ifdef __cplusplus - // define boolean constants: don't use true/false here as not all compilers - // support them but also redefine TRUE which could have been defined as 1 - // by previous headers: this would be incorrect as our TRUE is supposed to - // be of type bool, just like true, not int - // - // however if the user code absolutely needs TRUE to be defined in its own - // way, it can predefine WX_TRUE_DEFINED to prevent the redefinition here - #ifdef TRUE - #ifndef WX_TRUE_DEFINED - #undef TRUE - #undef FALSE - #endif - #endif +// deal with TRUE/true stuff: we assume that if the compiler supports bool, it +// supports true/false as well and that, OTOH, if it does _not_ support bool, +// it doesn't support these keywords (this is less sure, in particular VC++ +// 4.x could be a problem here) +#ifndef HAVE_BOOL + #define true ((bool)1) + #define false ((bool)0) +#endif - #ifndef TRUE - #define TRUE ((bool)1) - #define FALSE ((bool)0) - #endif -#else // !__cplusplus - // the definitions above don't work for C sources - #ifndef TRUE - #define TRUE 1 - #endif +// for backwards compatibility, also define TRUE and FALSE +// +// note that these definitions should work both in C++ and C code, so don't +// use true/false below +#ifndef TRUE + #define TRUE 1 +#endif - #ifndef FALSE - #define FALSE 0 - #endif -#endif // C++/!C++ +#ifndef FALSE + #define FALSE 0 +#endif typedef short int WXTYPE;