1: /* Convert Inet number to ASCII representation.
    2:    Copyright (C) 1997, 1998, 2000, 2001 Free Software Foundation, Inc.
    3:    This file is part of the GNU C Library.
    4:    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
    5: 
    6:    The GNU C Library is free software; you can redistribute it and/or
    7:    modify it under the terms of the GNU Lesser General Public
    8:    License as published by the Free Software Foundation; either
    9:    version 2.1 of the License, or (at your option) any later version.
   10: 
   11:    The GNU C Library is distributed in the hope that it will be useful,
   12:    but WITHOUT ANY WARRANTY; without even the implied warranty of
   13:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   14:    Lesser General Public License for more details.
   15: 
   16:    You should have received a copy of the GNU Lesser General Public
   17:    License along with the GNU C Library; if not, write to the Free
   18:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   19:    02111-1307 USA.  */
   20: 
   21: #include <stdio.h>
   22: #include <stdlib.h>
   23: #include <arpa/inet.h>
   24: 
   25: /* The interface of this function is completely stupid, it requires a
   26:    static buffer.  We relax this a bit in that we allow one buffer for
   27:    each thread.  */
   28: static __thread char buffer[18];
   29: 
   30: 
   31: char *
   32: inet_ntoa (struct in_addr in)
   33: {
   34:   unsigned char *bytes = (unsigned char *) &in;
   35:   __snprintf (buffer, sizeof (buffer), "%d.%d.%d.%d",
   36:               bytes[0], bytes[1], bytes[2], bytes[3]);
   37: 
   38:   return buffer;
   39: }