kc3-lang/gnulib/tests/test-net_if.c

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• Hash : 1602f0af
  Author :
  Date : 2012-01-01T10:04:58
  

  maint: update all copyright year number ranges
  
  Run "make update-copyright".
  

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• tests/test-net_if.c

• /* Test of <net/if.h> functions.
     Copyright (C) 2010-2012 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 <http://www.gnu.org/licenses/>.  */
  
  /* Written by Simon Josefsson <simon@josefsson.org>, 2010.  */
  
  #include <config.h>
  
  #include <net/if.h>
  
  #include "signature.h"
  SIGNATURE_CHECK (if_freenameindex, void, (struct if_nameindex *));
  SIGNATURE_CHECK (if_indextoname, char *, (unsigned int, char *));
  SIGNATURE_CHECK (if_nameindex, struct if_nameindex *, (void));
  SIGNATURE_CHECK (if_nametoindex, unsigned int, (const char *));
  
  #include <stddef.h> /* NULL */
  #include <stdio.h> /* fprintf */
  
  int
  main (int argc, char *argv[])
  {
    struct if_nameindex *ifnp, *p;
  
    p = ifnp = if_nameindex ();
    if (ifnp == NULL)
      {
        fputs ("if_nameindex returned NULL\n", stderr);
        return 1;
      }
  
    while (p->if_index)
      {
        unsigned int idx;
        char buf[IF_NAMESIZE];
        char *q;
  
        if (argc > 1)
          printf ("index %d name %s\n", p->if_index, p->if_name);
  
        idx = if_nametoindex (p->if_name);
        if (idx != p->if_index)
          {
            fprintf (stderr, "if_nametoindex (%s) = %d != %d\n",
                     p->if_name, idx, p->if_index);
            return 1;
          }
  
        q = if_indextoname (p->if_index, buf);
        if (q == NULL)
          {
            fprintf (stderr, "if_indextoname (%d) returned NULL\n", p->if_index);
            return 1;
          }
        if (q != buf)
          {
            fprintf (stderr, "if_indextoname (%d) buffer mismatch?\n",
                     p->if_index);
            return 1;
          }
        if (strcmp (p->if_name, q) != 0)
          {
            fprintf (stderr, "if_indextoname (%s) = %s ?!\n", p->if_name, q);
            return 1;
          }
  
        p++;
      }
  
    if_freenameindex (ifnp);
  
    return 0;
  }
  

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