posix/tst-gai_strerror.c

   1 /* Test for gai_strerror()
   2    Copyright The GNU Toolchain Authors.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <sys/types.h>
  20 #include <sys/socket.h>
  21 #include <netdb.h>
  22 #include <stdlib.h>
  23 #include <locale.h>
  24
  25 #include <support/support.h>
  26 #include <support/check.h>
  27
  28 static int
  29 do_test (void)
  30 {
  31   unsetenv ("LANGUAGE");
  32
  33   xsetlocale (LC_ALL, "C");
  34
  35   TEST_COMPARE_STRING (gai_strerror (1), "Unknown error");
  36   TEST_COMPARE_STRING (gai_strerror (0), "Success");
  37   TEST_COMPARE_STRING (gai_strerror (EAI_OVERFLOW),
  38                        "Result too large for supplied buffer");
  39
  40   return 0;
  41 }
  42
  43 #include <support/test-driver.c>