glibc/stdio-common/tstgetln.c

/* Copyright (C) 1992, 1995, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.

The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version.

The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Library General Public License for more details.

You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB.  If
not, write to the Free Software Foundation, Inc., 675 Mass Ave,
Cambridge, MA 02139, USA.  */

#include <stdio.h>

#ifdef USE_IN_LIBIO
# undef ssize_t
# define ssize_t _IO_ssize_t
#endif

int
main (int argc, char *argv[])
{
  char *buf = NULL;
  size_t size = 0;
  ssize_t len;

  while ((len = getline (&buf, &size, stdin)) != -1)
    {
      printf ("bufsize %u; read %d: ", size, len);
      if (fwrite (buf, len, 1, stdout) != 1)
	{
	  perror ("fwrite");
	  return 1;
	}
    }

  if (ferror (stdin))
    {
      perror ("getline");
      return 1;
    }

  return 0;
}