1 /*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 /*
17 * Description: 计算单个文件或目录下多文件进行计算SHA256校验和
18 */
19
20 #include <dirent.h>
21 #include <errno.h>
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <string.h>
25 #include <sys/stat.h>
26 #include <sys/types.h>
27
28 #include "../include/checksum_file.h"
29
30 #define BUFFER_SIZE 4096
31
main(int argc,char * argv[])32 int main(int argc, char *argv[])
33 {
34 int count = 2;
35 char *filePath = argv[1];
36 struct stat sBuf;
37
38 if (argc != count) {
39 printf("error: the argc is 2, but argc is %d.\n", argc);
40 }
41
42 int result = stat(filePath, &sBuf); // 获取文件信息，把信息放到sBuf中
43 if (result == -1) {
44 printf("error: fail to get the stat of %s: %s.\n", filePath, strerror(errno));
45 return RESULT_FAILED;
46 }
47
48 if (S_ISDIR(sBuf.st_mode)) {
49 CalcMultiFilesSha256(filePath); // 输入的文件路径为目录
50 } else {
51 CalcSingleFileSha256(filePath); // 输入的文件路径是普通文件
52 }
53
54 int fileNum = GetFileTotalNum();
55 printf("the checksum test success,the total number of files is %d.\n", fileNum);
56
57 return RESULT_SUCCESS;
58 }
59