• 拷貝文件

   1 //拷貝文件
   2 void copy()
   3 {
   4     //自身路徑
   5     char selfpath[256] = { 0 };
   6     //Windows路徑
   7     char windowpath[256] = { 0 };
   8     //系統路徑
   9     char systempath[256] = { 0 };
  10 
  11     //獲取自身路徑
  12     GetModuleFileNameA(NULL, selfpath, 256);
  13     //獲取Windows路徑
  14     GetWindowsDirectoryA(windowpath, 256
   
  );
  15     //獲取系統路徑
  16     GetSystemDirectoryA(systempath, 256);
  17     strcat(windowpath, "\\test.exe");
  18     strcat(systempath, "\\test.exe");
  19     //輸出目錄
  20     printf("%s\n", selfpath);
  21     printf("%s\n", windowpath);
  22     printf("%s\n", systempath);
  23     //拷貝函數
  24     CopyFileA(selfpath, windowpath, FALSE);
   
  25 }

• 遍歷所有磁盤信息

   1 //遍歷所有磁盤信息
   2 void find_all()
   3 {
   4     char szbuf[100] = { 0 };
   5     //載入磁盤信息
   6     GetLogicalDriveStrings(100, szbuf);
   7     char *p = szbuf;
   8     while (*p != ‘\0‘)
   9     {
  10         printf("%s\n", p);
  11         getspace(p);
  12         p += strlen(p) + 1;
  13     }
  14 }

• 獲取磁盤大小

   1
   
   //獲取磁盤大小
   2 int getspace(char *pstr)
   3 {
   4     //剩余空間 可用空間  總大小
   5     ULARGE_INTEGER dwl, dwfree, dwtol;
   6     char szsize[128] = { 0 };
   7     double size = 0;
   8     GetDiskFreeSpaceEx(pstr, &dwl, &dwtol, &dwfree);
   9     size = dwtol.QuadPart / 1024.0 / 1024 / 1204;//GB
  10     printf("總大小:%f GB\n", size);
  11     size = dwl.QuadPart / 1024.0 / 1024 / 1204;//GB
  12     printf("剩余空間:%f GB\n", size);
  13     size = dwfree.QuadPart / 1024.0 / 1024 / 1204;//GB
  14     printf("可用空間:%f GB\n", size);
  15 }

完整代碼

 1 #define _CRT_SECURE_NO_WARNINGS
 2 #include <Windows.h>
 3 #include <stdio.h>
 4 #include <stdlib.h>
 5 //獲取磁盤大小
 6 int getspace(char *pstr)
 7 {
 8     //剩余空間 可用空間  總大小
 9     ULARGE_INTEGER dwl, dwfree, dwtol;
10     char szsize[128] = { 0 };
11     double size = 0;
12     GetDiskFreeSpaceEx(pstr, &dwl, &dwtol, &dwfree);
13     size = dwtol.QuadPart / 1024.0 / 1024 / 1204;//GB
14     printf("總大小:%f GB\n", size);
15     size = dwl.QuadPart / 1024.0 / 1024 / 1204;//GB
16     printf("剩余空間:%f GB\n", size);
17     size = dwfree.QuadPart / 1024.0 / 1024 / 1204;//GB
18     printf("可用空間:%f GB\n", size);
19 }
20 
21 //遍歷所有磁盤信息
22 void find_all()
23 {
24     char szbuf[100] = { 0 };
25     //載入磁盤信息
26     GetLogicalDriveStrings(100, szbuf);
27     char *p = szbuf;
28     while (*p != ‘\0‘)
29     {
30         printf("%s\n", p);
31         getspace(p);
32         p += strlen(p) + 1;
33     }
34 }
35 
36 //拷貝文件
37 void copy()
38 {
39     //自身路徑
40     char selfpath[256] = { 0 };
41     //Windows路徑
42     char windowpath[256] = { 0 };
43     //系統路徑
44     char systempath[256] = { 0 };
45 
46     //獲取自身路徑
47     GetModuleFileNameA(NULL, selfpath, 256);
48     //獲取Windows路徑
49     GetWindowsDirectoryA(windowpath, 256);
50     //獲取系統路徑
51     GetSystemDirectoryA(systempath, 256);
52     strcat(windowpath, "\\test.exe");
53     strcat(systempath, "\\test.exe");
54     //輸出目錄
55     printf("%s\n", selfpath);
56     printf("%s\n", windowpath);
57     printf("%s\n", systempath);
58     //拷貝函數
59     CopyFileA(selfpath, windowpath, FALSE);
60 }
61 
62 void main()
63 {
64     find_all();
65     system("pause");
66     
67     system("pause");
68 }

110.文件搜索,系統大小獲取,以及病毒行為