kc3-lang/gnulib/tests/test-accept4.c

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• Hash : 5b92dd0a
  Author :
  Date : 2024-01-01T10:31:48
  

  maint: run 'make update-copyright'
  

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• tests/test-accept4.c

• /* Test accepting a connection to a server socket.
     Copyright (C) 2011-2024 Free Software Foundation, Inc.
  
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation, either version 3 of the License, or
     (at your option) any later version.
  
     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
  
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  
  #include <config.h>
  
  #include <sys/socket.h>
  
  #include "signature.h"
  SIGNATURE_CHECK (accept4, int, (int, struct sockaddr *, socklen_t *, int));
  
  #include <errno.h>
  #include <fcntl.h>
  #include <netinet/in.h>
  #include <unistd.h>
  
  #include "binary-io.h"
  #include "sockets.h"
  
  #include "macros.h"
  
  #ifndef SOCK_CLOEXEC
  # define SOCK_CLOEXEC 0
  #endif
  
  int
  main (void)
  {
    (void) gl_sockets_startup (SOCKETS_1_1);
  
    /* Test behaviour for invalid file descriptors.  */
    {
      struct sockaddr_in addr;
      socklen_t addrlen = sizeof (addr);
  
      errno = 0;
      ASSERT (accept4 (-1, (struct sockaddr *) &addr, &addrlen,
                       SOCK_CLOEXEC)
              == -1);
      ASSERT (errno == EBADF);
    }
    {
      struct sockaddr_in addr;
      socklen_t addrlen = sizeof (addr);
  
      close (99);
      errno = 0;
      ASSERT (accept4 (99, (struct sockaddr *) &addr, &addrlen,
                       SOCK_CLOEXEC)
              == -1);
      ASSERT (errno == EBADF);
    }
  
    return 0;
  }
  

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