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Diffstat (limited to 'src/util/common_endian.c')
-rw-r--r-- | src/util/common_endian.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/util/common_endian.c b/src/util/common_endian.c new file mode 100644 index 000000000..223144c40 --- /dev/null +++ b/src/util/common_endian.c | |||
@@ -0,0 +1,52 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | (C) 2001, 2002, 2003, 2004, 2006 Christian Grothoff (and other contributing authors) | ||
4 | |||
5 | GNUnet is free software; you can redistribute it and/or modify | ||
6 | it under the terms of the GNU General Public License as published | ||
7 | by the Free Software Foundation; either version 2, or (at your | ||
8 | option) any later version. | ||
9 | |||
10 | GNUnet is distributed in the hope that it will be useful, but | ||
11 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU General Public License | ||
16 | along with GNUnet; see the file COPYING. If not, write to the | ||
17 | Free Software Foundation, Inc., 59 Temple Place - Suite 330, | ||
18 | Boston, MA 02111-1307, USA. | ||
19 | */ | ||
20 | |||
21 | /** | ||
22 | * @file util/common_endian.c | ||
23 | * @brief endian conversion helpers | ||
24 | * @author Christian Grothoff | ||
25 | */ | ||
26 | |||
27 | #include "platform.h" | ||
28 | #include "gnunet_common.h" | ||
29 | |||
30 | unsigned long long | ||
31 | GNUNET_ntohll (unsigned long long n) | ||
32 | { | ||
33 | #if __BYTE_ORDER == __BIG_ENDIAN | ||
34 | return n; | ||
35 | #else | ||
36 | return (((unsigned long long) ntohl (n)) << 32) + ntohl (n >> 32); | ||
37 | #endif | ||
38 | } | ||
39 | |||
40 | unsigned long long | ||
41 | GNUNET_htonll (unsigned long long n) | ||
42 | { | ||
43 | #if __BYTE_ORDER == __BIG_ENDIAN | ||
44 | return n; | ||
45 | #else | ||
46 | return (((unsigned long long) htonl (n)) << 32) + htonl (n >> 32); | ||
47 | #endif | ||
48 | } | ||
49 | |||
50 | |||
51 | |||
52 | /* end of common_endian.c */ | ||