stdio-common/tstgetln.c

   1 /* Copyright (C) 1992-2016 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 Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the 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    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #include <stdio.h>
  19 #undef ssize_t
  20 #define ssize_t _IO_ssize_t
  21
  22 int
  23 main (int argc, char *argv[])
  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 %Zu; read %Zd: ", 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 }