-
/*
- * discard.c -- discard output on a file pointer
- *
- * $Id$
- *
- * This code is Copyright (c) 2002, by the authors of nmh. See the
- * COPYRIGHT file in the root directory of the nmh distribution for
- * complete copyright information.
- */
+** discard.c -- discard output on a file pointer
+**
+** This code is Copyright (c) 2002, by the authors of nmh. See the
+** COPYRIGHT file in the root directory of the nmh distribution for
+** complete copyright information.
+*/
#include <h/mh.h>
-
-#ifdef HAVE_TERMIOS_H
-# include <termios.h>
-#else
-# ifdef HAVE_TERMIO_H
-# include <termio.h>
-# else
-# include <sgtty.h>
-# endif
-#endif
-
-#ifdef SCO_5_STDIO
-# define _ptr __ptr
-# define _cnt __cnt
-# define _base __base
-# define _filbuf(fp) ((fp)->__cnt = 0, __filbuf(fp))
-#endif
+#include <termios.h>
void
-discard (FILE *io)
+discard(FILE *io)
{
-#ifndef HAVE_TERMIOS_H
-# ifdef HAVE_TERMIO_H
- struct termio tio;
-# else
- struct sgttyb tio;
-# endif
-#endif
+ if (io == NULL)
+ return;
- if (io == NULL)
- return;
-
-#ifdef HAVE_TERMIOS_H
- tcflush (fileno(io), TCOFLUSH);
-#else
-# ifdef HAVE_TERMIO_H
- if (ioctl (fileno(io), TCGETA, &tio) != -1)
- ioctl (fileno(io), TCSETA, &tio);
-# else
- if (ioctl (fileno(io), TIOCGETP, (char *) &tio) != -1)
- ioctl (fileno(io), TIOCSETP, (char *) &tio);
-# endif
-#endif
+ tcflush(fileno(io), TCOFLUSH);
-#ifdef _FSTDIO
- fpurge (io);
+#if defined(_FSTDIO) || defined(__DragonFly__)
+ fpurge(io);
#else
# ifdef LINUX_STDIO
- io->_IO_write_ptr = io->_IO_write_base;
+ io->_IO_write_ptr = io->_IO_write_base;
# else
- if ((io->_ptr = io->_base))
- io->_cnt = 0;
+ if ((io->_ptr = io->_base))
+ io->_cnt = 0;
# endif
#endif
}
-