gl/tests/test-fdopen.c

   1 /* Test opening a stream with a file descriptor.
   2    Copyright (C) 2011-2012 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 <http://www.gnu.org/licenses/>.  */
  16
  17 #include <config.h>
  18
  19 #include <stdio.h>
  20
  21 #include "signature.h"
  22 SIGNATURE_CHECK (fdopen, FILE *, (int, const char *));
  23
  24 #include <errno.h>
  25
  26 #include "macros.h"
  27
  28 int
  29 main (void)
  30 {
  31   /* Test behaviour for invalid file descriptors.  */
  32   {
  33     FILE *fp;
  34
  35     errno = 0;
  36     fp = fdopen (-1, "r");
  37     if (fp == NULL)
  38       ASSERT (errno == EBADF);
  39     else
  40       fclose (fp);
  41   }
  42   {
  43     FILE *fp;
  44
  45     errno = 0;
  46     fp = fdopen (99, "r");
  47     if (fp == NULL)
  48       ASSERT (errno == EBADF);
  49     else
  50       fclose (fp);
  51   }
  52
  53   return 0;
  54 }