media/mtransport/third_party/nrappkit/src/util/byteorder.c@97036ab72558 (annotated)
media/mtransport/third_party/nrappkit/src/util/byteorder.c
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | /** |
| michael@0 | 2 | byteorder.c |
| michael@0 | 3 | |
| michael@0 | 4 | |
| michael@0 | 5 | Copyright (C) 2007, Network Resonance, Inc. |
| michael@0 | 6 | All Rights Reserved |
| michael@0 | 7 | |
| michael@0 | 8 | Redistribution and use in source and binary forms, with or without |
| michael@0 | 9 | modification, are permitted provided that the following conditions |
| michael@0 | 10 | are met: |
| michael@0 | 11 | |
| michael@0 | 12 | 1. Redistributions of source code must retain the above copyright |
| michael@0 | 13 | notice, this list of conditions and the following disclaimer. |
| michael@0 | 14 | 2. Redistributions in binary form must reproduce the above copyright |
| michael@0 | 15 | notice, this list of conditions and the following disclaimer in the |
| michael@0 | 16 | documentation and/or other materials provided with the distribution. |
| michael@0 | 17 | 3. Neither the name of Network Resonance, Inc. nor the name of any |
| michael@0 | 18 | contributors to this software may be used to endorse or promote |
| michael@0 | 19 | products derived from this software without specific prior written |
| michael@0 | 20 | permission. |
| michael@0 | 21 | |
| michael@0 | 22 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' |
| michael@0 | 23 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| michael@0 | 24 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| michael@0 | 25 | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| michael@0 | 26 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| michael@0 | 27 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| michael@0 | 28 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| michael@0 | 29 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| michael@0 | 30 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| michael@0 | 31 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| michael@0 | 32 | POSSIBILITY OF SUCH DAMAGE. |
| michael@0 | 33 | |
| michael@0 | 34 | |
| michael@0 | 35 | briank@networkresonance.com Wed May 16 16:46:00 PDT 2007 |
| michael@0 | 36 | */ |
| michael@0 | 37 | |
| michael@0 | 38 | |
| michael@0 | 39 | static char *RCSSTRING __UNUSED__ ="$Id: byteorder.c,v 1.2 2007/06/26 22:37:55 adamcain Exp $"; |
| michael@0 | 40 | |
| michael@0 | 41 | #include "nr_common.h" |
| michael@0 | 42 | #ifndef WIN32 |
| michael@0 | 43 | #include <arpa/inet.h> |
| michael@0 | 44 | #endif |
| michael@0 | 45 | #include "r_types.h" |
| michael@0 | 46 | #include "byteorder.h" |
| michael@0 | 47 | |
| michael@0 | 48 | #define IS_BIG_ENDIAN (htonl(0x1) == 0x1) |
| michael@0 | 49 | |
| michael@0 | 50 | #define BYTE(n,i) (((UCHAR*)&(n))[(i)]) |
| michael@0 | 51 | #define SWAP(n,x,y) tmp=BYTE((n),(x)), \ |
| michael@0 | 52 | BYTE((n),(x))=BYTE((n),(y)), \ |
| michael@0 | 53 | BYTE((n),(y))=tmp |
| michael@0 | 54 | |
| michael@0 | 55 | UINT8 |
| michael@0 | 56 | nr_htonll(UINT8 hostlonglong) |
| michael@0 | 57 | { |
| michael@0 | 58 | UINT8 netlonglong = hostlonglong; |
| michael@0 | 59 | UCHAR tmp; |
| michael@0 | 60 | |
| michael@0 | 61 | if (!IS_BIG_ENDIAN) { |
| michael@0 | 62 | SWAP(netlonglong, 0, 7); |
| michael@0 | 63 | SWAP(netlonglong, 1, 6); |
| michael@0 | 64 | SWAP(netlonglong, 2, 5); |
| michael@0 | 65 | SWAP(netlonglong, 3, 4); |
| michael@0 | 66 | } |
| michael@0 | 67 | |
| michael@0 | 68 | return netlonglong; |
| michael@0 | 69 | } |
| michael@0 | 70 | |
| michael@0 | 71 | UINT8 |
| michael@0 | 72 | nr_ntohll(UINT8 netlonglong) |
| michael@0 | 73 | { |
| michael@0 | 74 | return nr_htonll(netlonglong); |
| michael@0 | 75 | } |
| michael@0 | 76 |
