From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001 From: Jari Vetoniemi Date: Mon, 16 Mar 2020 18:49:26 +0900 Subject: Fresh start --- jni/ruby/ext/fiddle/conversions.h | 44 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 jni/ruby/ext/fiddle/conversions.h (limited to 'jni/ruby/ext/fiddle/conversions.h') diff --git a/jni/ruby/ext/fiddle/conversions.h b/jni/ruby/ext/fiddle/conversions.h new file mode 100644 index 0000000..d0a08d6 --- /dev/null +++ b/jni/ruby/ext/fiddle/conversions.h @@ -0,0 +1,44 @@ +#ifndef FIDDLE_CONVERSIONS_H +#define FIDDLE_CONVERSIONS_H + +#include + +typedef union +{ + ffi_arg fffi_arg; /* rvalue smaller than unsigned long */ + ffi_sarg fffi_sarg; /* rvalue smaller than signed long */ + unsigned char uchar; /* ffi_type_uchar */ + signed char schar; /* ffi_type_schar */ + unsigned short ushort; /* ffi_type_sshort */ + signed short sshort; /* ffi_type_ushort */ + unsigned int uint; /* ffi_type_uint */ + signed int sint; /* ffi_type_sint */ + unsigned long ulong; /* ffi_type_ulong */ + signed long slong; /* ffi_type_slong */ + float ffloat; /* ffi_type_float */ + double ddouble; /* ffi_type_double */ +#if HAVE_LONG_LONG + unsigned LONG_LONG ulong_long; /* ffi_type_ulong_long */ + signed LONG_LONG slong_long; /* ffi_type_ulong_long */ +#endif + void * pointer; /* ffi_type_pointer */ +} fiddle_generic; + +ffi_type * int_to_ffi_type(int type); +void value_to_generic(int type, VALUE src, fiddle_generic * dst); +VALUE generic_to_value(VALUE rettype, fiddle_generic retval); + +#define VALUE2GENERIC(_type, _src, _dst) value_to_generic((_type), (_src), (_dst)) +#define INT2FFI_TYPE(_type) int_to_ffi_type(_type) +#define GENERIC2VALUE(_type, _retval) generic_to_value((_type), (_retval)) + +#if SIZEOF_VOIDP == SIZEOF_LONG +# define PTR2NUM(x) (ULONG2NUM((unsigned long)(x))) +# define NUM2PTR(x) ((void*)(NUM2ULONG(x))) +#else +/* # error --->> Ruby/DL2 requires sizeof(void*) == sizeof(long) to be compiled. <<--- */ +# define PTR2NUM(x) (ULL2NUM((unsigned long long)(x))) +# define NUM2PTR(x) ((void*)(NUM2ULL(x))) +#endif + +#endif -- cgit v1.2.3