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124 lines
3.6 KiB
C
124 lines
3.6 KiB
C
/*
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* PROJECT: ReactOS Applications
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* LICENSE: LGPL - See COPYING in the top level directory
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* FILE: base/applications/msconfig_new/fileutils.c
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* PURPOSE: File Utility Functions
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* COPYRIGHT: Copyright 2011-2012 Hermes BELUSCA - MAITO <hermes.belusca@sfr.fr>
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*/
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#include "precomp.h"
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#include "utils.h"
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#include "fileutils.h"
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//
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// NOTE: A function called "FileExists" with the very same prototype
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// already exists in the PSDK headers (in setupapi.h)
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//
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BOOL
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MyFileExists(IN LPCWSTR lpszFilePath,
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OUT PWIN32_FIND_DATAW pFindData OPTIONAL)
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{
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BOOL bIsFound = FALSE;
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WIN32_FIND_DATAW find_data;
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DWORD dwNumOfChars;
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LPWSTR lpszCmdLine;
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HANDLE search;
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dwNumOfChars = ExpandEnvironmentStringsW(lpszFilePath, NULL, 0);
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lpszCmdLine = (LPWSTR)MemAlloc(0, dwNumOfChars * sizeof(WCHAR));
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ExpandEnvironmentStringsW(lpszFilePath, lpszCmdLine, dwNumOfChars);
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search = FindFirstFileW(lpszCmdLine, &find_data);
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MemFree(lpszCmdLine);
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bIsFound = (search != INVALID_HANDLE_VALUE);
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FindClose(search);
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if (bIsFound && pFindData)
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*pFindData = find_data;
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return bIsFound;
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}
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LRESULT
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FileQueryFiles(IN LPCWSTR Path,
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IN LPCWSTR FileNamesQuery,
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IN PQUERY_FILES_TABLE QueryTable,
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IN PVOID Context)
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{
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LRESULT res = ERROR_SUCCESS;
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WIN32_FIND_DATAW find_data;
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LPWSTR lpszQuery;
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DWORD dwNumOfChars;
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LPWSTR lpszExpandedQuery;
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HANDLE search;
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dwNumOfChars = wcslen(Path) + 1 + wcslen(FileNamesQuery) + 1;
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lpszQuery = (LPWSTR)MemAlloc(0, dwNumOfChars * sizeof(WCHAR));
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wcscpy(lpszQuery, Path);
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wcscat(lpszQuery, L"\\");
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wcscat(lpszQuery, FileNamesQuery);
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dwNumOfChars = ExpandEnvironmentStringsW(lpszQuery, NULL, 0);
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lpszExpandedQuery = (LPWSTR)MemAlloc(0, dwNumOfChars * sizeof(WCHAR));
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ExpandEnvironmentStringsW(lpszQuery, lpszExpandedQuery, dwNumOfChars);
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MemFree(lpszQuery);
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search = FindFirstFileW(lpszExpandedQuery, &find_data);
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if (search != INVALID_HANDLE_VALUE)
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{
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do
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{
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PQUERY_FILES_TABLE pTable = QueryTable;
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while (pTable && pTable->QueryRoutine)
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{
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pTable->QueryRoutine(Path, FileNamesQuery, lpszExpandedQuery, &find_data, Context, pTable->EntryContext);
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++pTable;
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}
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} while (/*res = */ FindNextFileW(search, &find_data));
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}
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else
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res = ERROR_NO_MORE_FILES;
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FindClose(search);
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MemFree(lpszExpandedQuery);
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return res;
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}
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BOOL BackupIniFile(IN LPCWSTR lpszIniFile)
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{
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BOOL Success = FALSE;
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DWORD dwNumOfChars = 0;
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LPWSTR SourceFile, DestFile;
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LPWSTR lpName, lpPath;
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dwNumOfChars = ExpandEnvironmentStringsW(lpszIniFile, NULL, 0);
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SourceFile = (LPWSTR)MemAlloc(0, dwNumOfChars * sizeof(WCHAR));
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ExpandEnvironmentStringsW(lpszIniFile, SourceFile, dwNumOfChars);
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lpName = wcsrchr(SourceFile, L'\\');
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lpName = (lpName ? lpName + 1 : SourceFile);
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dwNumOfChars = wcslen(L"%SystemRoot%\\pss\\") + wcslen(lpName) + 7 + 1;
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lpPath = (LPWSTR)MemAlloc(0, dwNumOfChars * sizeof(WCHAR));
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wcscpy(lpPath, L"%SystemRoot%\\pss\\");
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wcscat(lpPath, lpName);
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wcscat(lpPath, L".backup");
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dwNumOfChars = ExpandEnvironmentStringsW(lpPath, NULL, 0);
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DestFile = (LPWSTR)MemAlloc(0, dwNumOfChars * sizeof(WCHAR));
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ExpandEnvironmentStringsW(lpPath, DestFile, dwNumOfChars);
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MemFree(lpPath);
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Success = CopyFileW(SourceFile, DestFile, TRUE /* don't overwrite */ /* FALSE */ /* overwrite */);
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MemFree(DestFile);
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MemFree(SourceFile);
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return Success;
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}
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