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blob 00c5d29f2dfb5eecc94720896e1db31c30a421b6 421 bytes (raw)
name: ext/raindrops/my_fileno.h 	 # note: path name is non-authoritative(*)
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#include <ruby.h>
#include <ruby/io.h>

static int my_fileno(VALUE io)
{
#ifdef HAVE_RB_IO_DESCRIPTOR
	if (TYPE(io) != T_FILE)
		io = rb_convert_type(io, T_FILE, "IO", "to_io");

	return rb_io_descriptor(io);
#else
	rb_io_t *fptr;

	if (TYPE(io) != T_FILE)
		io = rb_convert_type(io, T_FILE, "IO", "to_io");
	GetOpenFile(io, fptr);

	if (fptr->fd < 0)
		rb_raise(rb_eIOError, "closed stream");
	return fptr->fd;
#endif
}

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