/**
* call-seq:
* Rev::Buffer#read_from(io) -> Integer
*
* Perform a nonblocking read of the the given IO object and fill
* the buffer with any data received. The call will read as much
* data as it can until the read would block.
*/
static VALUE Rev_Buffer_read_from(VALUE self, VALUE io) {
struct buffer *buf;
#if HAVE_RB_IO_T
rb_io_t *fptr;
#else
OpenFile *fptr;
#endif
Data_Get_Struct(self, struct buffer, buf);
GetOpenFile(rb_convert_type(io, T_FILE, "IO", "to_io"), fptr);
rb_io_set_nonblock(fptr);
return INT2NUM(buffer_read_from(buf, FPTR_TO_FD(fptr)));
}
/* read from handler->fd, fill rbuf with contents */
int
handle_read_to_rbuf(struct ludis_handle *h)
{
return buffer_read_from(h->rb, h->fd);
}
