diff options
Diffstat (limited to 'src/crc.c')
| -rw-r--r-- | src/crc.c | 18 |
1 files changed, 10 insertions, 8 deletions
@@ -8,7 +8,7 @@ of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. @@ -63,7 +63,8 @@ static const uint16_t crctable[256] = { 0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0 }; -static uint16_t CRC_Block (byte *start, size_t count) { +static uint16_t CRC_Block(byte *start, size_t count) +{ uint16_t crc = CRC_INIT_VALUE; while (count--) @@ -146,7 +147,8 @@ COM_BlockSequenceCRCByte For proxy protecting ==================== */ -byte COM_BlockSequenceCRCByte (byte *base, size_t length, int sequence) { +byte COM_BlockSequenceCRCByte(byte *base, size_t length, int sequence) +{ int n; const byte *p; int x; @@ -160,18 +162,18 @@ byte COM_BlockSequenceCRCByte (byte *base, size_t length, int sequence) { if (length > 60) length = 60; - memcpy (chkb, base, length); + memcpy(chkb, base, length); chkb[length] = p[0]; - chkb[length+1] = p[1]; - chkb[length+2] = p[2]; - chkb[length+3] = p[3]; + chkb[length + 1] = p[1]; + chkb[length + 2] = p[2]; + chkb[length + 3] = p[3]; length += 4; crc = CRC_Block(chkb, length); - for (x=0, n=0; n<length; n++) + for (x = 0, n = 0; n < length; n++) x += chkb[n]; crc = (crc ^ x) & 0xff; |