root/maint/gnulib/tests/test-recv.c

/* */

DEFINITIONS

1. main

   1 /* Test the recv() function.
   2    Copyright (C) 2011-2021 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 (recv, ssize_t, (int, void *, size_t, int));
  23 
  24 #include <errno.h>
  25 #include <unistd.h>
  26 
  27 #include "sockets.h"
  28 #include "macros.h"
  29 
  30 int
  31 main (void)
     /*  */
  32 {
  33   (void) gl_sockets_startup (SOCKETS_1_1);
  34 
  35   /* Test behaviour for invalid file descriptors.  */
  36   {
  37     char byte;
  38     errno = 0;
  39     ASSERT (recv (-1, &byte, 1, 0) == -1);
  40     ASSERT (errno == EBADF);
  41   }
  42   {
  43     char byte;
  44     close (99);
  45     errno = 0;
  46     ASSERT (recv (99, &byte, 1, 0) == -1);
  47     ASSERT (errno == EBADF);
  48   }
  49 
  50   return 0;
  51 }

/* */