/* fbuf.c (emx+gcc) -- Copyright (c) 1990-1993 by Eberhard Mattes */

#include <sys/emx.h>
#include <stdio.h>
#include <stdlib.h>

/* Assign a buffer to a stream (which must not have a buffer) */

void _fbuf (FILE *stream)
{
  if (stream->flags & _IONBF)
    stream->buffer = NULL;
  else
    stream->buffer = malloc (BUFSIZ);
  if (stream->buffer == NULL)
    {
      stream->buf_size = 1;
      stream->buffer = &stream->char_buf;
      stream->flags &= ~(_IOFBF|_IOLBF|_IOBUFMASK);
      stream->flags |= _IONBF|_IOBUFCHAR;
    }
  else
    {
      stream->buf_size = BUFSIZ;
      stream->flags &= ~_IOBUFMASK;
      stream->flags |= _IOBUFLIB;
    }
  stream->ptr = stream->buffer;
  stream->rcount = 0;
  stream->wcount = 0;
}