diff options
Diffstat (limited to 'src/common/cbasetypes.h')
| -rw-r--r-- | src/common/cbasetypes.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/common/cbasetypes.h b/src/common/cbasetypes.h index 27420edbf..58acad2c7 100644 --- a/src/common/cbasetypes.h +++ b/src/common/cbasetypes.h @@ -77,6 +77,12 @@ // portable printf/scanf format macros and integer definitions // NOTE: Visual C++ uses <inttypes.h> and <stdint.h> provided in /3rdparty ////////////////////////////////////////////////////////////////////////// +#ifdef __cplusplus +#define __STDC_CONSTANT_MACROS +#define __STDC_FORMAT_MACROS +#define __STDC_LIMIT_MACROS +#endif + #include <inttypes.h> #include <stdint.h> #include <limits.h> @@ -326,4 +332,27 @@ typedef char bool; #endif #endif + +////////////////////////////////////////////////////////////////////////// +// Set a pointer variable to a pointer value. +#ifdef __cplusplus +template <typename T1, typename T2> +void SET_POINTER(T1*&var, T2* p) +{ + var = static_cast<T1*>(p); +} +template <typename T1, typename T2> +void SET_FUNCPOINTER(T1& var, T2 p) +{ + char ASSERT_POINTERSIZE[sizeof(T1) == sizeof(void*) && sizeof(T2) == sizeof(void*)?1:-1];// 1 if true, -1 if false + union{ T1 out; T2 in; } tmp;// /!\ WARNING casting a pointer to a function pointer is against the C++ standard + tmp.in = p; + var = tmp.out; +} +#else +#define SET_POINTER(var,p) (var) = (p) +#define SET_FUNCPOINTER(var,p) (var) = (p) +#endif + + #endif /* _CBASETYPES_H_ */ |