#include <stdio.h>
#include <mailutils/mailutils.h>
#include <unistd.h>

#define OK(cmd) \
 if (cmd) { fprintf (stderr, "" # cmd "failed\n"); exit (1); }

int
main (int argc, char * argv [])
{
  stream_t in, out;
  char buffer [1];
  int got, total = 0;

  OK (file_stream_create (& in, argv [1], MU_STREAM_READ));

  OK (filter_create (& out, in, "base64",
		     MU_FILTER_ENCODE, MU_STREAM_READ));

  OK (stream_open (in));

  while (1) {
    OK (stream_read (out, buffer, sizeof (buffer), total,
		     & got));

    write (1, buffer, got);

    if (got == 0) break;

    total += got;
  }
  write (1, "\n", 1);

  fprintf (stderr, "got %d bytes\n", total);

  return 0;
}