tests/test-sendto.c

   1 /* Test the sendto() function.
   2    Copyright (C) 2011-2017 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 <http://www.gnu.org/licenses/>.  */
  16
  17 #include <config.h>
  18
  19 #include <sys/socket.h>
  20
  21 #include "signature.h"
  22 SIGNATURE_CHECK (sendto, ssize_t,
  23                  (int, const void *, size_t, int,
  24                   const struct sockaddr *, socklen_t));
  25
  26 #include <errno.h>
  27 #include <netinet/in.h>
  28 #include <arpa/inet.h>
  29 #include <unistd.h>
  30
  31 #include "sockets.h"
  32 #include "macros.h"
  33
  34 int
  35 main (void)
  36 {
  37   (void) gl_sockets_startup (SOCKETS_1_1);
  38
  39   /* Test behaviour for invalid file descriptors.  */
  40   {
  41     struct sockaddr_in addr;
  42
  43     addr.sin_family = AF_INET;
  44     inet_pton (AF_INET, "127.0.0.1", &addr.sin_addr);
  45     addr.sin_port = htons (80);
  46     {
  47       char byte = 'x';
  48       errno = 0;
  49       ASSERT (sendto (-1, &byte, 1, 0,
  50                       (const struct sockaddr *) &addr, sizeof (addr))
  51               == -1);
  52       ASSERT (errno == EBADF);
  53     }
  54     {
  55       char byte = 'x';
  56       close (99);
  57       errno = 0;
  58       ASSERT (sendto (99, &byte, 1, 0,
  59                       (const struct sockaddr *) &addr, sizeof (addr))
  60               == -1);
  61       ASSERT (errno == EBADF);
  62     }
  63   }
  64
  65   return 0;
  66 }