tests/test-bind.c

   1 /* Test binding a server socket to a port.
   2    Copyright (C) 2011-2024 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 #include <config.h>
  18
  19 #include <sys/socket.h>
  20
  21 #include "signature.h"
  22 SIGNATURE_CHECK (bind, int, (int, const struct sockaddr *, socklen_t));
  23
  24 #include <errno.h>
  25 #include <netinet/in.h>
  26 #include <arpa/inet.h>
  27 #include <unistd.h>
  28
  29 #include "sockets.h"
  30 #include "macros.h"
  31
  32 int
  33 main (void)
  34 {
  35   (void) gl_sockets_startup (SOCKETS_1_1);
  36
  37   /* Test behaviour for invalid file descriptors.  */
  38   {
  39     struct sockaddr_in addr;
  40
  41     addr.sin_family = AF_INET;
  42     inet_pton (AF_INET, "127.0.0.1", &addr.sin_addr);
  43     addr.sin_port = htons (80);
  44     {
  45       errno = 0;
  46       ASSERT (bind (-1, (const struct sockaddr *) &addr, sizeof (addr)) == -1);
  47       ASSERT (errno == EBADF);
  48     }
  49     {
  50       close (99);
  51       errno = 0;
  52       ASSERT (bind (99, (const struct sockaddr *) &addr, sizeof (addr)) == -1);
  53       ASSERT (errno == EBADF);
  54     }
  55   }
  56
  57   return test_exit_status;
  58 }