stdio-common/tstgetln.c

   1 /* Copyright (C) 1992, 1995, 1996 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 <stdio.h>
  20
  21 #ifdef USE_IN_LIBIO
  22 # undef ssize_t
  23 # define ssize_t _IO_ssize_t
  24 #endif
  25
  26 int
  27 main (int argc, char *argv[])
  28 {
  29   char *buf = NULL;
  30   size_t size = 0;
  31   ssize_t len;
  32
  33   while ((len = getline (&buf, &size, stdin)) != -1)
  34     {
  35       printf ("bufsize %u; read %d: ", size, len);
  36       if (fwrite (buf, len, 1, stdout) != 1)
  37         {
  38           perror ("fwrite");
  39           return 1;
  40         }
  41     }
  42
  43   if (ferror (stdin))
  44     {
  45       perror ("getline");
  46       return 1;
  47     }
  48
  49   return 0;
  50 }