#include "internal.h"

static
int
·read(void *rdr, int size, int n, void *buf)
{
    return io·read((io·Stream *)rdr, size, n, buf);
}

static
byte
·get(void *rdr)
{
    return io·getbyte((io·Stream *)rdr);
}

static
error
·unget(void *rdr, byte c)
{
    return io·ungetbyte((io·Stream *)rdr, c);
}

static
int
·write(void *wtr, int sz, int n, void *buf)
{
    return io·write((io·Stream *)wtr, sz, n, buf);
}

static
error
·put(void *wtr, byte c)
{
    return io·putbyte((io·Stream *)wtr, c);
}

static
int
·puts(void *wtr, string s)
{
    return io·putstring((io·Stream *)wtr, s);
}

static
int
·seek(void *skr, long off, enum SeekPos whence)
{
    return io·seek((io·Stream *)skr, off, whence);
}

static
long
·tell(void *skr)
{
    return io·tell((io·Stream *)skr);
}

/* actual interfaces */
io·Reader     sys·Reader     = (io·Reader){ ·read };
io·Seeker     sys·Seeker     = (io·Seeker){ ·seek, ·tell };
io·Peeker     sys·Peeker     = (io·Peeker){ ·get, ·unget };
io·SeekReader sys·SeekReader = (io·SeekReader){ ·seek, ·tell, ·read };
io·PeekReader sys·PeekReader = (io·PeekReader){ ·read, ·get, ·unget };

io·Writer     sys·Writer     = (io·Writer){ ·write };
io·Putter     sys·Putter     = (io·Putter){ ·put, ·puts };
io·PutWriter  sys·PutWriter  = (io·PutWriter){ ·write, ·put, ·puts };

io·ReadWriter sys·ReadWriter = (io·ReadWriter){ ·read, ·write };