diff options
Diffstat (limited to 'video_in_hal/nsframework/backup_manager/server/src/bkup_crc32.cpp')
-rwxr-xr-x | video_in_hal/nsframework/backup_manager/server/src/bkup_crc32.cpp | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/video_in_hal/nsframework/backup_manager/server/src/bkup_crc32.cpp b/video_in_hal/nsframework/backup_manager/server/src/bkup_crc32.cpp deleted file mode 100755 index f1d8449..0000000 --- a/video_in_hal/nsframework/backup_manager/server/src/bkup_crc32.cpp +++ /dev/null @@ -1,62 +0,0 @@ -/* - * @copyright Copyright (c) 2016-2020 TOYOTA MOTOR CORPORATION. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include <cstdio> -#include "bkup_crc32.h" -#include "bkup_util.h" - -/* - * CRC-32C lookup table - * - * Polynomial 0x1EDC6F41 - */ -static const uint32_t kBkupCrc32Lookup[4][256] = { - { - }, - { - }, - { - }, - { - } -}; - -/** - * compute CRC-32C (Slicing-by-4) - */ -uint32_t BkupCrc32(const void *data, size_t length) { - uint32_t crc = 0xFFFFFFFF; - const uint32_t *current = (const uint32_t *)data; - - if (data == NULL) { - return -1; - } - while (length >= 4) { - uint32_t one = *current++ ^ crc; - crc = kBkupCrc32Lookup[0][(one >> 24) & 0xFF] ^ - kBkupCrc32Lookup[1][(one >> 16) & 0xFF] ^ - kBkupCrc32Lookup[2][(one >> 8) & 0xFF] ^ - kBkupCrc32Lookup[3][one & 0xFF]; - length -= 4; - } - - const uint8_t *current_char = (const uint8_t *)current; - while (length-- > 0) { - crc = (crc >> 8) ^ kBkupCrc32Lookup[0][(crc & 0xFF) ^ *current_char++]; - } - - return ~crc; -} |