root/maint/gnulib/tests/test-closein.c

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DEFINITIONS

This source file includes following definitions.
  1. main

   1 /* Test of closein module.
   2    Copyright (C) 2007-2021 Free Software Foundation, Inc.
   3 
   4    This program is free software; you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation; either version 3, or (at your option)
   7    any later version.
   8 
   9    This program 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
  12    GNU General Public License for more details.
  13 
  14    You should have received a copy of the GNU General Public License
  15    along with this program; if not, see <https://www.gnu.org/licenses/>.  */
  16 
  17 /* Written by Eric Blake.  */
  18 
  19 #include <config.h>
  20 
  21 #include "closein.h"
  22 
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <unistd.h>
  26 
  27 #include "binary-io.h"
  28 #include "ignore-value.h"
  29 
  30 /* With no arguments, do nothing.  With arguments, attempt to consume
  31    first 6 bytes of stdin.  In either case, let exit() take care of
  32    closing std streams and changing exit status if ferror(stdin).  */
  33 int
  34 main (int argc, char **argv)
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  35 {
  36   char buf[7];
  37   atexit (close_stdin);
  38 
  39   /* close_stdin currently relies on ftell, but mingw ftell is
  40      unreliable on text mode input.  */
  41   set_binary_mode (0, O_BINARY);
  42 
  43   if (argc > 2)
  44     close (0);
  45 
  46   if (argc > 1)
  47     ignore_value (fread (buf, 1, 6, stdin));
  48   return 0;
  49 }

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