tests/test-getlogin.c

   1 /* Test of getting user name.
   2    Copyright (C) 2010-2024 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 /* Written by Bruno Haible and Paul Eggert.  */
  18
  19 #include <config.h>
  20
  21 #include <unistd.h>
  22
  23 #include "signature.h"
  24 SIGNATURE_CHECK (getlogin, char *, (void));
  25
  26 #include "test-getlogin.h"
  27
  28 int
  29 main (void)
  30 {
  31   /* Test value.  */
  32   char *buf = getlogin ();
  33   int err = buf ? 0 : errno;
  34 #if defined __sun
  35   if (buf == NULL && err == 0)
  36     {
  37       /* This can happen on Solaris 11 OpenIndiana in the MATE desktop.  */
  38       fprintf (stderr, "Skipping test: no entry in /var/adm/utmpx.\n");
  39       exit (77);
  40     }
  41 #endif
  42   test_getlogin_result (buf, err);
  43
  44   return test_exit_status;
  45 }