stdio-common/tstgetln.c

   1 /* Copyright (C) 1992, 1995, 1996, 1997, 1998, 2004
   2    Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #include <stdio.h>
  20 #undef ssize_t
  21 #define ssize_t _IO_ssize_t
  22
  23 int
  24 main (int argc, char *argv[])
  25 {
  26   char *buf = NULL;
  27   size_t size = 0;
  28   ssize_t len;
  29
  30   while ((len = getline (&buf, &size, stdin)) != -1)
  31     {
  32       printf ("bufsize %Zu; read %Zd: ", size, len);
  33       if (fwrite (buf, len, 1, stdout) != 1)
  34         {
  35           perror ("fwrite");
  36           return 1;
  37         }
  38     }
  39
  40   if (ferror (stdin))
  41     {
  42       perror ("getline");
  43       return 1;
  44     }
  45
  46   return 0;
  47 }