1/* Convert Inet number to ASCII representation.
2 Copyright (C) 1997-2023 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 <stdio.h>
20#include <stdlib.h>
21#include <arpa/inet.h>
22
23/* The interface of this function is completely stupid, it requires a
24 static buffer. We relax this a bit in that we allow one buffer for
25 each thread. */
26static __thread char buffer[18];
27
28
29char *
30inet_ntoa (struct in_addr in)
31{
32 unsigned char *bytes = (unsigned char *) &in;
33 __snprintf (buffer, sizeof (buffer), "%d.%d.%d.%d",
34 bytes[0], bytes[1], bytes[2], bytes[3]);
35
36 return buffer;
37}
38