summaryrefslogtreecommitdiffstats
path: root/video_in_hal/nsframework/backup_manager/server/src/bkup_crc32.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'video_in_hal/nsframework/backup_manager/server/src/bkup_crc32.cpp')
-rwxr-xr-xvideo_in_hal/nsframework/backup_manager/server/src/bkup_crc32.cpp62
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;
-}