tests/test-accept.c

   1 /* Test accepting a connection to a server socket.
   2    Copyright (C) 2011-2025 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 #if !defined __sun
  23 SIGNATURE_CHECK (accept, int, (int, struct sockaddr *, socklen_t *));
  24 #endif
  25
  26 #include <errno.h>
  27 #include <netinet/in.h>
  28 #include <unistd.h>
  29
  30 #include "sockets.h"
  31 #include "macros.h"
  32
  33 int
  34 main (void)
  35 {
  36   (void) gl_sockets_startup (SOCKETS_1_1);
  37
  38   /* Test behaviour for invalid file descriptors.  */
  39   {
  40     struct sockaddr_in addr;
  41     socklen_t addrlen = sizeof (addr);
  42
  43     errno = 0;
  44     ASSERT (accept (-1, (struct sockaddr *) &addr, &addrlen) == -1);
  45     ASSERT (errno == EBADF);
  46   }
  47   {
  48     struct sockaddr_in addr;
  49     socklen_t addrlen = sizeof (addr);
  50
  51     close (99);
  52     errno = 0;
  53     ASSERT (accept (99, (struct sockaddr *) &addr, &addrlen) == -1);
  54     ASSERT (errno == EBADF);
  55   }
  56
  57   return test_exit_status;
  58 }