1  /* Convert a h_errno error code to a string.
       2     Copyright (C) 2016-2023 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 <support/format_nss.h>
      20  
      21  #include <support/support.h>
      22  
      23  char *
      24  support_format_herrno (int code)
      25  {
      26    const char *errstr;
      27    switch (code)
      28      {
      29      case HOST_NOT_FOUND:
      30        errstr = "HOST_NOT_FOUND";
      31        break;
      32      case NO_ADDRESS:
      33        errstr = "NO_ADDRESS";
      34        break;
      35      case NO_RECOVERY:
      36        errstr = "NO_RECOVERY";
      37        break;
      38      case TRY_AGAIN:
      39        errstr = "TRY_AGAIN";
      40        break;
      41      default:
      42        return xasprintf ("<invalid h_errno value %d>\n", code);
      43      }
      44    return xstrdup (errstr);
      45  }