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5929563f | 1 | /* Convert Inet number to ASCII representation. |
bfff8b1b | 2 | Copyright (C) 1997-2017 Free Software Foundation, Inc. |
5929563f UD |
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 | |
41bdb6e2 AJ |
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. | |
5929563f UD |
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 | |
41bdb6e2 | 14 | Lesser General Public License for more details. |
5929563f | 15 | |
41bdb6e2 | 16 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
17 | License along with the GNU C Library; if not, see |
18 | <http://www.gnu.org/licenses/>. */ | |
5929563f | 19 | |
28f540f4 | 20 | #include <stdio.h> |
5929563f UD |
21 | #include <stdlib.h> |
22 | #include <arpa/inet.h> | |
5929563f UD |
23 | |
24 | /* The interface of this function is completely stupid, it requires a | |
279d494b UD |
25 | static buffer. We relax this a bit in that we allow one buffer for |
26 | each thread. */ | |
27 | static __thread char buffer[18]; | |
5929563f | 28 | |
28f540f4 RM |
29 | |
30 | char * | |
5929563f | 31 | inet_ntoa (struct in_addr in) |
28f540f4 | 32 | { |
279d494b UD |
33 | unsigned char *bytes = (unsigned char *) ∈ |
34 | __snprintf (buffer, sizeof (buffer), "%d.%d.%d.%d", | |
50304ef0 | 35 | bytes[0], bytes[1], bytes[2], bytes[3]); |
5929563f UD |
36 | |
37 | return buffer; | |
38 | } |