libDwm-0.6.0
DwmIpv4Utils.hh
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1 //===========================================================================
2 // @(#) $DwmPath: dwm/libDwm/tags/libDwm-0.6.0/include/DwmIpv4Utils.hh 8401 $
3 // @(#) $Id: DwmIpv4Utils.hh 8401 2016-04-17 06:44:31Z dwm $
4 //===========================================================================
5 // Copyright (c) Daniel W. McRobb 2007
6 // All rights reserved.
7 //
8 // Redistribution and use in source and binary forms, with or without
9 // modification, are permitted provided that the following conditions
10 // are met:
11 //
12 // 1. Redistributions of source code must retain the above copyright
13 // notice, this list of conditions and the following disclaimer.
14 // 2. Redistributions in binary form must reproduce the above copyright
15 // notice, this list of conditions and the following disclaimer in the
16 // documentation and/or other materials provided with the distribution.
17 // 3. The names of the authors and copyright holders may not be used to
18 // endorse or promote products derived from this software without
19 // specific prior written permission.
20 //
21 // IN NO EVENT SHALL DANIEL W. MCROBB BE LIABLE TO ANY PARTY FOR
22 // DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
23 // INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE,
24 // EVEN IF DANIEL W. MCROBB HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
25 // DAMAGE.
26 //
27 // THE SOFTWARE PROVIDED HEREIN IS ON AN "AS IS" BASIS, AND
28 // DANIEL W. MCROBB HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT,
29 // UPDATES, ENHANCEMENTS, OR MODIFICATIONS. DANIEL W. MCROBB MAKES NO
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31 // IMPLIED OR EXPRESS, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
32 // WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE,
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34 // TRADEMARK OR OTHER RIGHTS.
35 //===========================================================================
36 
37 //---------------------------------------------------------------------------
40 //---------------------------------------------------------------------------
41 
42 #ifndef _DWMIPV4UTILS_HH_
43 #define _DWMIPV4UTILS_HH_
44 
45 extern "C" {
46  #include <inttypes.h>
47 }
48 
49 namespace Dwm {
50 
51  namespace Ipv4Utils {
52 
53  //------------------------------------------------------------------------
56  //------------------------------------------------------------------------
57  uint32_t Sum(const uint8_t *ptr, uint16_t len);
58 
59  //------------------------------------------------------------------------
62  //------------------------------------------------------------------------
63  void AddCarries(uint32_t & sum);
64 
65  } // namespace Ipv4Utils
66 
67 } // namespace Dwm
68 
69 #endif // _DWMIPV4UTILS_HH_
70 
71 //---------------------------- emacs settings -----------------------------
72 // Local Variables:
73 // mode: C++/la
74 // tab-width: 2
75 // indent-tabs-mode: nil
76 // c-basic-offset: 2
77 // End:
78 //-------------------------------------------------------------------------
uint32_t Sum(const uint8_t *ptr, uint16_t len)
Compute the IP sum (part of checksum computation) of the memory at ptr of length len.
Definition: DwmBZ2IO.hh:67
void AddCarries(uint32_t &sum)
Part of IP checksum computation...