| author | Michael Krelin <hacker@klever.net> | 2013-02-13 22:30:47 (UTC) |
|---|---|---|
| committer | Michael Krelin <hacker@klever.net> | 2013-02-13 22:30:47 (UTC) |
| commit | d6d845ab3cdbc76943d68329aa0aaa3ddf2af21a (patch) (side-by-side diff) | |
| tree | a115a131493aa73cdc4fe00f2e002a2f32f67d4e /src/eyetil.cc | |
| parent | 41f437eeadaae0dce4a3dad3da6dde2bd3c3de99 (diff) | |
| download | iii-d6d845ab3cdbc76943d68329aa0aaa3ddf2af21a.zip iii-d6d845ab3cdbc76943d68329aa0aaa3ddf2af21a.tar.gz iii-d6d845ab3cdbc76943d68329aa0aaa3ddf2af21a.tar.bz2 | |
moved tcp checksum calculation to header
Signed-off-by: Michael Krelin <hacker@klever.net>
| -rw-r--r-- | src/eyetil.cc | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/src/eyetil.cc b/src/eyetil.cc index 11e2fb7..cd22eea 100644 --- a/src/eyetil.cc +++ b/src/eyetil.cc @@ -85,2 +85,7 @@ binary_t md5_digester::final() { +uint16_t block512_t::tcpcksum(block512_t& data) { + uint32_t sum = std::accumulate(data.data,data.data+words,0); + while(uint32_t hw = sum>>16) sum = (sum&0xffff)+hw; + return 0xffff&~sum; +} @@ -152,15 +157,2 @@ bool tarchive_t::read_data_into_fd(int fd) { -#pragma pack(1) -struct block512_t { - enum { words = 512 / sizeof(uint16_t) }; - uint16_t data[words]; - - static uint16_t tcpcksum(block512_t& data) { - uint32_t sum = std::accumulate(data.data,data.data+words,0); - while(uint32_t hw = sum>>16) sum = (sum&0xffff)+hw; - return 0xffff&~sum; - } - -}; -#pragma pack() |