gl/tests/test-sendto.c

   1 /* Test the sendto() function.
   2    Copyright (C) 2011-2012 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
  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
  42     addr.sin_family = AF_INET;
  43     inet_pton (AF_INET, "127.0.0.1", &addr.sin_addr);
  44     addr.sin_port = htons (80);
  45     {
  46       char byte = 'x';
  47       errno = 0;
  48       ASSERT (sendto (-1, &byte, 1, 0,
  49                       (const struct sockaddr *) &addr, sizeof (addr))
  50               == -1);
  51       ASSERT (errno == EBADF);
  52     }
  53     {
  54       char byte = 'x';
  55       errno = 0;
  56       ASSERT (sendto (99, &byte, 1, 0,
  57                       (const struct sockaddr *) &addr, sizeof (addr))
  58               == -1);
  59       ASSERT (errno == EBADF);
  60     }
  61   }
  62
  63   return 0;
  64 }