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Capture and Reset File State (MISCFileStateCapture_WIN)
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Miscellaneous Module
Stash Repository: Miscellaneous Library
Module Name: MISCFileStateCapture_WIN (Windows APIApplication Programming Interface)
Module Description: This module allows you to caputre and store a file/directory state (attributes and timestamps), and reset it. Designed to allow a user to capture a file state, make all accesses and modifications to the file, and reset the file state.
Usage:
BOOL CaptureFileState(WCHAR *wcFilePath, FileSnapShot *fsSnap);
wcFilePath: The path to the file or directory you want to capture the state of. The state is described under the module specific structures section.
fsSnap: A FileSnapShot structure that is filled with the attributes and timestamps of wcFilePath.
BOOL ResetFileState(WCHAR * wcFilePath, FileSnapShot *fsSnap);
wcFilePath: The path to the file or directory you want to set the state of. The state is described under the module specific structures section.
fsSnap: A FileSnapShot structure that contains the attributes and timestamps that should be used when setting the state of wcFilePath.
PSP/OS Issues: No known issues. Designed for XP+.
('excerpt' missing)
Sharing Level: Unilateral
Technique Origin: In-house (Windows APIApplication Programming Interface)
Notes:
- Only resets the attributes of a file/folder and the timestamps (creation, access, modified). Does not do anything with the stored files sizes.
- No memory is allocated for the FileSnapShot object.
Module Specific Structures:
This structure is filled using CaptureFileState. This structure is used in ResetFileState to set the Attributes and timestamps of a file/folder.
struct FileSnapShot
{
DWORD dwAttributeConstants;
FILETIME ftCreationDate;
FILETIME ftModifiedDate;
FILETIME ftAccessDate;
DWORD dwFileSizeHigh;
DWORD dwFileSizeLow;
};
Module Return Codes: TRUE = SUCCESS
Example Code:
HANDLE hText = CreateFile(L"C:\\TestDir\\abc.txt", GENERIC_READ | GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (hText != INVALID_HANDLE_VALUE)
{
CloseHandle(hText);
}
else EXPECT_TRUE(false);
//Grab a snapshot of attributes and timestamps and set them back
FileSnapShot fsSnap;
MISCFileStateCapture_WIN fsCapture;
BOOL bRet = fsCapture.CaptureFileState(L"C:\\TestDir\\abc.txt", &fsSnap);
//Modify file here
bRet = fsCapture.ResetFileState(L"C:\\TestDir\\abc.txt", &fsSnap);
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