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

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DEFINITIONS

This source file includes following definitions.
  1. main

   1 /* Test of dprintf() function.
   2    Copyright (C) 2011-2021 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 of the License, or
   7    (at your option) 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 #include <config.h>
  18 
  19 #include <stdio.h>
  20 
  21 #include "signature.h"
  22 SIGNATURE_CHECK (dprintf, int, (int, const char *, ...));
  23 
  24 #include <errno.h>
  25 #include <unistd.h>
  26 
  27 #include "macros.h"
  28 
  29 int
  30 main (int argc, char *argv[])
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  31 {
  32   /* Test behaviour for invalid file descriptors.  */
  33   {
  34     errno = 0;
  35     ASSERT (dprintf (-1, "test") == -1);
  36     ASSERT (errno == EBADF);
  37   }
  38   {
  39     close (99);
  40     errno = 0;
  41     ASSERT (dprintf (99, "test") == -1);
  42     ASSERT (errno == EBADF);
  43   }
  44 
  45   return 0;
  46 }

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