1 /* Test accepting a connection to a server socket.
2    Copyright (C) 2011-2020 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 (accept, int, (int, struct sockaddr *, socklen_t *));
23 
24 #include <errno.h>
25 #include <netinet/in.h>
26 #include <unistd.h>
27 
28 #include "sockets.h"
29 #include "macros.h"
30 
31 int
main(void)32 main (void)
33 {
34   (void) gl_sockets_startup (SOCKETS_1_1);
35 
36   /* Test behaviour for invalid file descriptors.  */
37   {
38     struct sockaddr_in addr;
39     socklen_t addrlen = sizeof (addr);
40 
41     errno = 0;
42     ASSERT (accept (-1, (struct sockaddr *) &addr, &addrlen) == -1);
43     ASSERT (errno == EBADF);
44   }
45   {
46     struct sockaddr_in addr;
47     socklen_t addrlen = sizeof (addr);
48 
49     close (99);
50     errno = 0;
51     ASSERT (accept (99, (struct sockaddr *) &addr, &addrlen) == -1);
52     ASSERT (errno == EBADF);
53   }
54 
55   return 0;
56 }
57