1  /* Test internal legacy IPv4 text-to-address function __inet_aton_exact.
       2     Copyright (C) 2019-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <arpa/inet.h>
      20  #include <support/check.h>
      21  
      22  static int
      23  do_test (void)
      24  {
      25    struct in_addr addr = { };
      26  
      27    TEST_COMPARE (__inet_aton_exact ("192.0.2.1", &addr), 1);
      28    TEST_COMPARE (ntohl (addr.s_addr), 0xC0000201);
      29  
      30    TEST_COMPARE (__inet_aton_exact ("192.000.002.010", &addr), 1);
      31    TEST_COMPARE (ntohl (addr.s_addr), 0xC0000208);
      32    TEST_COMPARE (__inet_aton_exact ("0xC0000234", &addr), 1);
      33    TEST_COMPARE (ntohl (addr.s_addr), 0xC0000234);
      34  
      35    /* Trailing content is not accepted.  */
      36    TEST_COMPARE (__inet_aton_exact ("192.0.2.2X", &addr), 0);
      37    TEST_COMPARE (__inet_aton_exact ("192.0.2.3 Y", &addr), 0);
      38    TEST_COMPARE (__inet_aton_exact ("192.0.2.4\nZ", &addr), 0);
      39    TEST_COMPARE (__inet_aton_exact ("192.0.2.5\tT", &addr), 0);
      40    TEST_COMPARE (__inet_aton_exact ("192.0.2.6 Y", &addr), 0);
      41    TEST_COMPARE (__inet_aton_exact ("192.0.2.7\n", &addr), 0);
      42    TEST_COMPARE (__inet_aton_exact ("192.0.2.8\t", &addr), 0);
      43  
      44    return 0;
      45  }
      46  
      47  #include <support/test-driver.c>