Type:
Class
Constants:
DEFAULT
:
Document-const
DEFAULT
Default ABI
STDCALL
:
Document-const
STDCALL
FFI implementation of WIN32 stdcall convention
Description
A representation of a C function
Examples
'strcpy'
1 2 3 4 5 6 7 8 9 10 11 12 13 | @libc = Fiddle.dlopen "/lib/libc.so.6" #=> #<Fiddle::Handle:0x00000001d7a8d8>f = Fiddle::Function.new( @libc['strcpy'], [Fiddle::TYPE_VOIDP, Fiddle::TYPE_VOIDP], Fiddle::TYPE_VOIDP) #=> #<Fiddle::Function:0x00000001d8ee00>buff = "000" #=> "000"str = f.call(buff, "123") #=> #<Fiddle::Pointer:0x00000001d0c380 ptr=0x000000018a21b8 size=0 free=0x00000000000000>str.to_s=> "123" |
ABI check
1 2 3 4 5 6 | @libc = DL.dlopen "/lib/libc.so.6" #=> #<Fiddle::Handle:0x00000001d7a8d8>f = Fiddle::Function.new(@libc['strcpy'], [TYPE_VOIDP, TYPE_VOIDP], TYPE_VOIDP) #=> #<Fiddle::Function:0x00000001d8ee00>f.abi == Fiddle::Function::DEFAULT #=> true |