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| | #include <ruby.h>
#ifdef HAVE_RUBY_IO_H
# include <ruby/io.h>
#else
# include <stdio.h>
# include <rubyio.h>
#endif
#if ! HAVE_RB_IO_T
# define rb_io_t OpenFile
#endif
#ifdef GetReadFile
# define FPTR_TO_FD(fptr) (fileno(GetReadFile(fptr)))
#else
# if !HAVE_RB_IO_T || (RUBY_VERSION_MAJOR == 1 && RUBY_VERSION_MINOR == 8)
# define FPTR_TO_FD(fptr) fileno(fptr->f)
# else
# define FPTR_TO_FD(fptr) fptr->fd
# endif
#endif
static int my_fileno(VALUE io)
{
rb_io_t *fptr;
int fd;
if (TYPE(io) != T_FILE)
io = rb_convert_type(io, T_FILE, "IO", "to_io");
GetOpenFile(io, fptr);
fd = FPTR_TO_FD(fptr);
if (fd < 0)
rb_raise(rb_eIOError, "closed stream");
return fd;
}
|