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, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #include <stdio.h>
  21 #undef ssize_t
  22 #define ssize_t _IO_ssize_t
  23
  24 int
  25 main (int argc, char *argv[])
  26 {
  27   char *buf = NULL;
  28   size_t size = 0;
  29   ssize_t len;
  30
  31   while ((len = getline (&buf, &size, stdin)) != -1)
  32     {
  33       printf ("bufsize %Zu; read %Zd: ", size, len);
  34       if (fwrite (buf, len, 1, stdout) != 1)
  35         {
  36           perror ("fwrite");
  37           return 1;
  38         }
  39     }
  40
  41   if (ferror (stdin))
  42     {
  43       perror ("getline");
  44       return 1;
  45     }
  46
  47   return 0;
  48 }