summaryrefslogtreecommitdiff
path: root/tests/test-sys_socket-h.c
blob: fffd44ecad3c2ef4d15f331c1c782b566de40558 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
/* Test of <sys/socket.h> substitute.
   Copyright (C) 2007, 2009-2025 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/>.  */

/* Written by Bruno Haible <bruno@clisp.org>, 2007.  */

#include <config.h>

#include <sys/socket.h>

/* POSIX mandates that AF_UNSPEC shall be 0.  */
static_assert (AF_UNSPEC == 0);

/* Check that the 'socklen_t' type is defined.  */
socklen_t t1;

/* Check that the 'size_t' and 'ssize_t' types are defined.  */
size_t t2;
ssize_t t3;

/* Check that the 'struct sockaddr' type is defined.  */
struct sockaddr t4;

/* Check that the 'struct sockaddr_storage' type is defined.  */
struct sockaddr_storage t5;

/* Check that 'struct iovec' is defined.  */
struct iovec io;

/* Check that a minimal set of 'struct msghdr' is defined.  */
struct msghdr msg;

#ifdef SCM_RIGHTS
/* Check that the 'struct cmsghdr' type is defined.  */
struct cmsghdr cmsg;
/* Check constant cmsg_type values.  */
int cmsg_types[] = { SCM_RIGHTS };
#endif

/* Check that the 'struct linger' type is defined.  */
struct linger li;

/* Check constant level arguments.  */
int levels[] = { SOL_SOCKET };

/* Check constant backlog arguments.  */
int backlogs[] = { SOMAXCONN };

#include <errno.h>

#include "intprops.h"
#include "macros.h"

/* POSIX requires that 'socklen_t' is an integer type with a width of at
   least 32 bits.  */
static_assert (32 <= TYPE_WIDTH (socklen_t));

/* POSIX requires that sa_family_t is an unsigned integer type.  */
static_assert (! TYPE_SIGNED (sa_family_t));


int
main (void)
{
  struct sockaddr_storage x;
  sa_family_t i;

  /* Check some errno values.  */
  switch (ENOTSOCK)
    {
    case ENOTSOCK:
    case EADDRINUSE:
    case ENETRESET:
    case ECONNABORTED:
    case ECONNRESET:
    case ENOTCONN:
    case ESHUTDOWN:
      break;
    }

  /* Check that the supported socket types have distinct values.  */
  switch (0)
    {
    case SOCK_DGRAM:
#ifdef SOCK_RAW
    case SOCK_RAW:
#endif
    case SOCK_SEQPACKET:
    case SOCK_STREAM:
    default:
      break;
    }
  int socket_types = 0;
  socket_types |= SOCK_DGRAM;
#ifdef SOCK_RAW
  socket_types |= SOCK_RAW;
#endif
  socket_types |= SOCK_SEQPACKET;
  socket_types |= SOCK_STREAM;

  /* Check socket creation flags.  */
#ifdef SOCK_NONBLOCK
  ASSERT ((SOCK_NONBLOCK & socket_types) == 0);
#endif
#ifdef SOCK_CLOEXEC
  ASSERT ((SOCK_CLOEXEC & socket_types) == 0);
#endif
#ifdef SOCK_CLOFORK
  ASSERT ((SOCK_CLOFORK & socket_types) == 0);
#endif
#if defined SOCK_NONBLOCK && defined SOCK_CLOEXEC
  static_assert ((SOCK_NONBLOCK & SOCK_CLOEXEC) == 0);
#endif
#if defined SOCK_NONBLOCK && defined SOCK_CLOFORK
  static_assert ((SOCK_NONBLOCK & SOCK_CLOFORK) == 0);
#endif
#if defined SOCK_CLOEXEC && defined SOCK_CLOFORK
  static_assert ((SOCK_CLOEXEC & SOCK_CLOFORK) == 0);
#endif

  /* Check that the option_name constants have distinct values.  */
  switch (0)
    {
    case SO_ACCEPTCONN:
    case SO_BROADCAST:
    case SO_DEBUG:
#ifdef SO_DOMAIN
    case SO_DOMAIN:
#endif
    case SO_DONTROUTE:
    case SO_ERROR:
    case SO_KEEPALIVE:
    case SO_LINGER:
    case SO_OOBINLINE:
#ifdef SO_PROTOCOL
    case SO_PROTOCOL:
#endif
    case SO_RCVBUF:
    case SO_RCVLOWAT:
    case SO_RCVTIMEO:
    case SO_REUSEADDR:
    case SO_SNDBUF:
    case SO_SNDLOWAT:
    case SO_SNDTIMEO:
    case SO_TYPE:
    default:
      break;
    }

  /* Check the msg_flags constants have distinct values.  */
  switch (0)
    {
#ifdef MSG_CMSG_CLOEXEC
    case MSG_CMSG_CLOEXEC:
#endif
#ifdef MSG_CMSG_CLOFORK
    case MSG_CMSG_CLOFORK:
#endif
    case MSG_DONTROUTE:
#ifdef MSG_EOR
    case MSG_EOR:
#endif
    case MSG_OOB:
#ifdef MSG_NOSIGNAL
    case MSG_NOSIGNAL:
#endif
    case MSG_PEEK:
#ifdef MSG_TRUNC
    case MSG_CTRUNC:
    case MSG_TRUNC:
#endif
#ifdef MSG_WAITALL
    case MSG_WAITALL:
#endif
    default:
      break;
    }

  /* Check that each supported address family has a distinct value.  */
  switch (0)
    {
    case AF_UNSPEC:
#if HAVE_IPV4
    case AF_INET:
#endif
#if HAVE_IPV6
    case AF_INET6:
#endif
#if HAVE_UNIXSOCKET
    case AF_UNIX:
#endif
    default:
      break;
    }

  /* Check that the shutdown type macros are defined to distinct values.  */
#if HAVE_SHUTDOWN
  switch (0)
    {
    case SHUT_RD:
    case SHUT_WR:
    case SHUT_RDWR:
    default:
      break;
    }
#endif

  x.ss_family = 42;
  i = 42;
  msg.msg_iov = &io;

  return (x.ss_family - i
          + msg.msg_namelen + msg.msg_iov->iov_len + msg.msg_iovlen)
         + test_exit_status;
}