fileutils.h File Reference

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Classes
struct	__tagQUERY_FILES_TABLE

Macros
#define	QUERY_FILES_TABLE_ROUTINE(fnName)

Typedefs
typedef LRESULT(*	PQUERY_FILES_TABLE_ROUTINE) (IN LPCWSTR Path, IN LPCWSTR FileNamesQuery, IN LPCWSTR ExpandedFileNamesQuery, IN PWIN32_FIND_DATAW pfind_data, IN PVOID Context, IN PVOID EntryContext)
typedef struct __tagQUERY_FILES_TABLE	QUERY_FILES_TABLE
typedef struct __tagQUERY_FILES_TABLE *	PQUERY_FILES_TABLE

Functions
BOOL	MyFileExists (IN LPCWSTR lpszFilePath, OUT PWIN32_FIND_DATAW pFindData OPTIONAL)
LRESULT	FileQueryFiles (IN LPCWSTR Path, IN LPCWSTR FileNamesQuery, IN PQUERY_FILES_TABLE QueryTable, IN PVOID Context)
BOOL	BackupIniFile (IN LPCWSTR lpszIniFile)

Macro Definition Documentation

QUERY_FILES_TABLE_ROUTINE

#define QUERY_FILES_TABLE_ROUTINE

(

fnName

)

Value:

LRESULT (fnName)(IN LPCWSTR Path,                   \
                     IN LPCWSTR FileNamesQuery,         \
                     IN LPCWSTR ExpandedFileNamesQuery, \
                     IN PWIN32_FIND_DATAW pfind_data,   \
                     IN PVOID   Context,                \
                     IN PVOID   EntryContext)

Definition at line 35 of file fileutils.h.

Typedef Documentation

PQUERY_FILES_TABLE

typedef struct __tagQUERY_FILES_TABLE * PQUERY_FILES_TABLE

PQUERY_FILES_TABLE_ROUTINE

typedef LRESULT(* PQUERY_FILES_TABLE_ROUTINE) (IN LPCWSTR Path, IN LPCWSTR FileNamesQuery, IN LPCWSTR ExpandedFileNamesQuery, IN PWIN32_FIND_DATAW pfind_data, IN PVOID Context, IN PVOID EntryContext)

Definition at line 28 of file fileutils.h.

QUERY_FILES_TABLE

typedef struct __tagQUERY_FILES_TABLE QUERY_FILES_TABLE

Function Documentation

BackupIniFile()

BOOL BackupIniFile

(

IN LPCWSTR

lpszIniFile

)

Definition at line 93 of file fileutils.c.

{
    BOOL Success = FALSE;
    SIZE_T dwNumOfChars = 0;
    LPWSTR SourceFile, DestFile;
    LPWSTR lpName, lpPath;

    dwNumOfChars = ExpandEnvironmentStringsW(lpszIniFile, NULL, 0);
    SourceFile = (LPWSTR)MemAlloc(0, dwNumOfChars * sizeof(WCHAR));
    ExpandEnvironmentStringsW(lpszIniFile, SourceFile, dwNumOfChars);

    lpName = wcsrchr(SourceFile, L'\\');
    lpName = (lpName ? lpName + 1 : SourceFile);
    dwNumOfChars = wcslen(L"%SystemRoot%\\pss\\") + wcslen(lpName) + 7 + 1;
    lpPath = (LPWSTR)MemAlloc(0, dwNumOfChars * sizeof(WCHAR));
    wcscpy(lpPath, L"%SystemRoot%\\pss\\");
    wcscat(lpPath, lpName);
    wcscat(lpPath, L".backup");

    dwNumOfChars = ExpandEnvironmentStringsW(lpPath, NULL, 0);
    DestFile = (LPWSTR)MemAlloc(0, dwNumOfChars * sizeof(WCHAR));
    ExpandEnvironmentStringsW(lpPath, DestFile, dwNumOfChars);
    MemFree(lpPath);

    Success = CopyFileW(SourceFile, DestFile, TRUE /* don't overwrite */ /* FALSE */ /* overwrite */);

    MemFree(DestFile);
    MemFree(SourceFile);

    return Success;
}

Referenced by CreatePropSheet().

FileQueryFiles()

LRESULT FileQueryFiles	(	IN LPCWSTR	Path,
		IN LPCWSTR	FileNamesQuery,
		IN PQUERY_FILES_TABLE	QueryTable,
		IN PVOID	Context
	)

Definition at line 46 of file fileutils.c.

{
    LRESULT          res = ERROR_SUCCESS;
    WIN32_FIND_DATAW find_data;

    LPWSTR lpszQuery;
    SIZE_T dwNumOfChars;
    LPWSTR lpszExpandedQuery;
    HANDLE search;

    dwNumOfChars = wcslen(Path) + 1 + wcslen(FileNamesQuery) + 1;
    lpszQuery = (LPWSTR)MemAlloc(0, dwNumOfChars * sizeof(WCHAR));
    wcscpy(lpszQuery, Path);
    wcscat(lpszQuery, L"\\");
    wcscat(lpszQuery, FileNamesQuery);

    dwNumOfChars      = ExpandEnvironmentStringsW(lpszQuery, NULL, 0);
    lpszExpandedQuery = (LPWSTR)MemAlloc(0, dwNumOfChars * sizeof(WCHAR));
    ExpandEnvironmentStringsW(lpszQuery, lpszExpandedQuery, dwNumOfChars);
    MemFree(lpszQuery);

    search = FindFirstFileW(lpszExpandedQuery, &find_data);
    if (search != INVALID_HANDLE_VALUE)
    {
        do
        {
            PQUERY_FILES_TABLE pTable = QueryTable;
            while (pTable && pTable->QueryRoutine)
            {
                pTable->QueryRoutine(Path, FileNamesQuery, lpszExpandedQuery, &find_data, Context, pTable->EntryContext);
                ++pTable;
            }
        } while (/*res = */ FindNextFileW(search, &find_data));
    }
    else
        res = ERROR_NO_MORE_FILES;

    FindClose(search);

    MemFree(lpszExpandedQuery);

    return res;
}

MyFileExists()

BOOL MyFileExists	(	IN LPCWSTR	lpszFilePath,
		OUT PWIN32_FIND_DATAW pFindData	OPTIONAL
	)

Definition at line 18 of file fileutils.c.

{
    BOOL             bIsFound = FALSE;
    WIN32_FIND_DATAW find_data;

    DWORD  dwNumOfChars;
    LPWSTR lpszCmdLine;
    HANDLE search;

    dwNumOfChars = ExpandEnvironmentStringsW(lpszFilePath, NULL, 0);
    lpszCmdLine  = (LPWSTR)MemAlloc(0, dwNumOfChars * sizeof(WCHAR));
    ExpandEnvironmentStringsW(lpszFilePath, lpszCmdLine, dwNumOfChars);

    search = FindFirstFileW(lpszCmdLine, &find_data);
    MemFree(lpszCmdLine);

    bIsFound = (search != INVALID_HANDLE_VALUE);

    FindClose(search);

    if (bIsFound && pFindData)
        *pFindData = find_data;

    return bIsFound;
}

Referenced by CreatePropSheet(), and GeneralPageWndProc().