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Ruby 1.9.2p290(2011-07-09revision32553)
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00001 #ifndef FIDDLE_CONVERSIONS_H 00002 #define FIDDLE_CONVERSIONS_H 00003 00004 #include <fiddle.h> 00005 00006 typedef union 00007 { 00008 unsigned char uchar; /* ffi_type_uchar */ 00009 signed char schar; /* ffi_type_schar */ 00010 unsigned short ushort; /* ffi_type_sshort */ 00011 signed short sshort; /* ffi_type_ushort */ 00012 unsigned int uint; /* ffi_type_uint */ 00013 signed int sint; /* ffi_type_sint */ 00014 unsigned long ulong; /* ffi_type_ulong */ 00015 signed long slong; /* ffi_type_slong */ 00016 float ffloat; /* ffi_type_float */ 00017 double ddouble; /* ffi_type_double */ 00018 #if HAVE_LONG_LONG 00019 unsigned LONG_LONG long_long; /* ffi_type_uint64 */ 00020 #endif 00021 void * pointer; /* ffi_type_pointer */ 00022 } fiddle_generic; 00023 00024 ffi_type * int_to_ffi_type(int type); 00025 void value_to_generic(int type, VALUE src, fiddle_generic * dst); 00026 VALUE generic_to_value(VALUE rettype, fiddle_generic retval); 00027 00028 #define VALUE2GENERIC(_type, _src, _dst) value_to_generic(_type, _src, _dst) 00029 #define INT2FFI_TYPE(_type) int_to_ffi_type(_type) 00030 #define GENERIC2VALUE(_type, _retval) generic_to_value(_type, _retval) 00031 00032 #if SIZEOF_VOIDP == SIZEOF_LONG 00033 # define PTR2NUM(x) (ULONG2NUM((unsigned long)(x))) 00034 # define NUM2PTR(x) ((void*)(NUM2ULONG(x))) 00035 #else 00036 /* # error --->> Ruby/DL2 requires sizeof(void*) == sizeof(long) to be compiled. <<--- */ 00037 # define PTR2NUM(x) (ULL2NUM((unsigned long long)(x))) 00038 # define NUM2PTR(x) ((void*)(NUM2ULL(x))) 00039 #endif 00040 00041 #endif 00042
1.7.3