基于visual c++之windows核心编程代码分析（23）遍历驱动器并获取驱动器属性

我们在进行Windows编程的时候，经常需要进行遍历驱动器并获取驱动器属性，我们来实现遍历驱动器并获取驱动器属性。请见代码实现与注释讲解

 

#define _WIN32_WINNT 0x0501 /* 头文件　*/ #include <windows.h> #include <stdio.h> /* 预定义　*/ #define BUFSIZE MAX_PATH /* 函数申明　*/ BOOL GetDirverInfo(LPSTR szDrive); /* ************************************ * 功能 应用程序主函数，遍历驱动器并调用 * GetDirverInfo 获取驱动器属性 **************************************/ int main(void) { TCHAR buf[BUFSIZE]; // 卷标信息 HANDLE hVol; // 卷遍历句柄 BOOL bFlag; hVol = FindFirstVolume (buf, BUFSIZE ); if (hVol == INVALID_HANDLE_VALUE) { printf (TEXT("No volumes found!\n")); return (-1); } GetDirverInfo (buf); while( FindNextVolume( hVol, buf, BUFSIZE )) { GetDirverInfo (buf); } bFlag = FindVolumeClose( hVol ); return (bFlag); } /* ************************************ * BOOL GetDirverInfo(LPSTR szDrive) * 功能 获取驱动器的属性 * 参数 LPSTR szDrive * 指明要获取属性的驱动器的根路径 如 C:\ * 返回值 BOOL 是否成功 **************************************/ BOOL GetDirverInfo(LPSTR szDrive) { UINT uDriveType; DWORD dwVolumeSerialNumber; DWORD dwMaximumComponentLength; DWORD dwFileSystemFlags; CHAR szFileSystemNameBuffer[BUFSIZE]; CHAR szDirveName[MAX_PATH]; printf("\n%s\n",szDrive); uDriveType = GetDriveType(szDrive); switch(uDriveType) { case DRIVE_UNKNOWN: printf("The drive type cannot be determined. "); break; case DRIVE_NO_ROOT_DIR: printf("The root path is invalid, for example, no volume is mounted at the path. "); break; case DRIVE_REMOVABLE: printf("The drive is a type that has removable media, for example, a floppy drive or removable hard disk. "); break; case DRIVE_FIXED: printf("The drive is a type that cannot be removed, for example, a fixed hard drive. "); break; case DRIVE_REMOTE: printf("The drive is a remote (network) drive. "); break; case DRIVE_CDROM: printf("The drive is a CD-ROM drive. "); break; case DRIVE_RAMDISK: printf("The drive is a RAM disk. "); break; default: break; } if (!GetVolumeInformation( szDrive, szDirveName, MAX_PATH, &dwVolumeSerialNumber, &dwMaximumComponentLength, &dwFileSystemFlags, szFileSystemNameBuffer, BUFSIZE )) { return FALSE; } if(0!=lstrlen(szDirveName)) { printf ("\nDrive Name is %s\n",szDirveName); } printf ("\nVolume Serial Number is %u",dwVolumeSerialNumber); printf ("\nMaximum Component Length is %u",dwMaximumComponentLength); printf ("\nSystem Type is %s\n",szFileSystemNameBuffer); if(dwFileSystemFlags & FILE_SUPPORTS_REPARSE_POINTS) { printf ("The file system does not support volume mount points.\n"); } if(dwFileSystemFlags & FILE_VOLUME_QUOTAS) { printf ("The file system supports disk quotas.\n"); } if(dwFileSystemFlags & FILE_CASE_SENSITIVE_SEARCH) { printf ("The file system supports case-sensitive file names.\n"); } //you can use these value to get more informaion // //FILE_CASE_PRESERVED_NAMES //FILE_CASE_SENSITIVE_SEARCH //FILE_FILE_COMPRESSION //FILE_NAMED_STREAMS //FILE_PERSISTENT_ACLS //FILE_READ_ONLY_VOLUME //FILE_SUPPORTS_ENCRYPTION //FILE_SUPPORTS_OBJECT_IDS //FILE_SUPPORTS_REPARSE_POINTS //FILE_SUPPORTS_SPARSE_FILES //FILE_UNICODE_ON_DISK //FILE_VOLUME_IS_COMPRESSED //FILE_VOLUME_QUOTAS printf("...\n"); return TRUE; }