stdio/tstgetln.c

   1 /* Copyright (C) 1992 Free Software Foundation, Inc.
   2 This file is part of the GNU C Library.
   3
   4 The GNU C Library is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU Library General Public License as
   6 published by the Free Software Foundation; either version 2 of the
   7 License, or (at your option) any later version.
   8
   9 The GNU C Library is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 Library General Public License for more details.
  13
  14 You should have received a copy of the GNU Library General Public
  15 License along with the GNU C Library; see the file COPYING.LIB.  If
  16 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
  17 Cambridge, MA 02139, USA.  */
  18
  19 #include <ansidecl.h>
  20 #include <stdio.h>
  21
  22 int
  23 DEFUN_VOID(main)
  24 {
  25   char *buf = NULL;
  26   size_t size = 0;
  27   ssize_t len;
  28
  29   while ((len = getline (&buf, &size, stdin)) != -1)
  30     {
  31       printf ("bufsize %u; read %d: ", size, len);
  32       if (fwrite (buf, len, 1, stdout) != 1)
  33         {
  34           perror ("fwrite");
  35           return 1;
  36         }
  37     }
  38
  39   if (ferror (stdin))
  40     {
  41       perror ("getline");
  42       return 1;
  43     }
  44
  45   return 0;
  46 }