544 lines
15 KiB
C
544 lines
15 KiB
C
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/*++
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Copyright (c) 1993-1994 Microsoft Corporation
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Module Name:
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fileutl.c
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Abstract:
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Routines for getting data from ini file
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Author:
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HonWah Chan (a-honwah) October, 1993
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Revision History:
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--*/
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#include "initodat.h"
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#include "strids.h"
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#include "common.h"
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#include "winerror.h"
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NTSTATUS
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DatReadMultiSzFile(
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#ifdef FE_SB
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IN UINT uCodePage,
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#endif
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IN PUNICODE_STRING FileName,
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OUT PVOID *ValueBuffer,
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OUT PULONG ValueLength
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)
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{
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NTSTATUS Status;
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UNICODE_STRING NtFileName;
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PWSTR s;
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UNICODE_STRING MultiSource;
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UNICODE_STRING MultiValue;
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REG_UNICODE_FILE MultiSzFile;
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ULONG MultiSzFileSize;
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if (ValueBuffer == NULL || ValueLength == NULL) {
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return STATUS_INVALID_PARAMETER;
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}
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FileName->Buffer[ FileName->Length/sizeof(WCHAR) ] = UNICODE_NULL;
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RtlDosPathNameToNtPathName_U( FileName->Buffer,
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&NtFileName,
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NULL,
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NULL );
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#ifdef FE_SB
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Status = DatLoadAsciiFileAsUnicode( uCodePage, &NtFileName, &MultiSzFile );
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#else
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Status = DatLoadAsciiFileAsUnicode( &NtFileName, &MultiSzFile );
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#endif
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if (!NT_SUCCESS( Status )) {
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return( Status );
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}
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MultiSzFileSize = (ULONG)(MultiSzFile.EndOfFile -
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MultiSzFile.NextLine) * sizeof(WCHAR);
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*ValueLength = 0;
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*ValueBuffer = RtlAllocateHeap( RtlProcessHeap(), 0,
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MultiSzFileSize);
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if (* ValueBuffer == NULL) {
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return STATUS_NO_MEMORY;
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}
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MultiSource.Buffer = MultiSzFile.NextLine;
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if (MultiSzFileSize <= MAXUSHORT) {
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MultiSource.Length =
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MultiSource.MaximumLength = (USHORT)MultiSzFileSize;
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} else {
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MultiSource.Length =
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MultiSource.MaximumLength = MAXUSHORT;
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}
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while (DatGetMultiString(&MultiSource, &MultiValue)) {
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RtlMoveMemory( (PUCHAR)*ValueBuffer + *ValueLength,
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MultiValue.Buffer,
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MultiValue.Length );
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*ValueLength += MultiValue.Length;
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s = MultiSource.Buffer;
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while ( *s != L'"' &&
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*s != L',' &&
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((s - MultiSource.Buffer) * sizeof(WCHAR)) <
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MultiSource.Length ) s++;
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if ( ((s - MultiSource.Buffer) * sizeof(WCHAR)) ==
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MultiSource.Length ||
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*s == L',' ||
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*s == L';' ) {
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((PWSTR)*ValueBuffer)[ *ValueLength / sizeof(WCHAR) ] =
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UNICODE_NULL;
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*ValueLength += sizeof(UNICODE_NULL);
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if ( *s == L';' ) {
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break;
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}
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}
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if ( (MultiSzFile.EndOfFile - MultiSource.Buffer) * sizeof(WCHAR) >=
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MAXUSHORT ) {
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MultiSource.Length =
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MultiSource.MaximumLength = MAXUSHORT;
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} else {
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MultiSource.Length =
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MultiSource.MaximumLength =
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(USHORT)((MultiSzFile.EndOfFile - MultiSource.Buffer) *
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sizeof(WCHAR));
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}
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}
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((PWSTR)*ValueBuffer)[ *ValueLength / sizeof(WCHAR) ] = UNICODE_NULL;
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*ValueLength += sizeof(UNICODE_NULL);
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// Virtual memory for reading of MultiSzFile freed at process
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// death?
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return( TRUE );
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}
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NTSTATUS
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DatLoadAsciiFileAsUnicode(
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#ifdef FE_SB
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IN UINT uCodePage,
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#endif
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IN PUNICODE_STRING FileName,
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OUT PREG_UNICODE_FILE UnicodeFile
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)
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{
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NTSTATUS Status;
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OBJECT_ATTRIBUTES ObjectAttributes;
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IO_STATUS_BLOCK IoStatus;
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HANDLE File;
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FILE_BASIC_INFORMATION FileDateTimeInfo;
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FILE_STANDARD_INFORMATION FileInformation;
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SIZE_T BufferSize;
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ULONG i, i1, LineCount;
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PVOID BufferBase;
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PCHAR Src = NULL;
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PCHAR Src1;
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PWSTR Dst = NULL;
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memset (&FileDateTimeInfo, 0, sizeof(FileDateTimeInfo));
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InitializeObjectAttributes( &ObjectAttributes,
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FileName,
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OBJ_CASE_INSENSITIVE,
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(HANDLE)NULL,
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NULL
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);
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Status = NtOpenFile( &File,
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SYNCHRONIZE | GENERIC_READ,
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&ObjectAttributes,
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&IoStatus,
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FILE_SHARE_DELETE |
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FILE_SHARE_READ |
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FILE_SHARE_WRITE,
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FILE_SYNCHRONOUS_IO_NONALERT |
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FILE_NON_DIRECTORY_FILE
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);
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if (!NT_SUCCESS( Status )) {
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return( Status );
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}
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Status = NtQueryInformationFile( File,
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&IoStatus,
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(PVOID)&FileInformation,
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sizeof( FileInformation ),
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FileStandardInformation
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);
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if (NT_SUCCESS( Status )) {
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if (FileInformation.EndOfFile.HighPart) {
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Status = STATUS_BUFFER_OVERFLOW;
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}
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}
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if (!NT_SUCCESS( Status )) {
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NtClose( File );
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return( Status );
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}
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#ifdef FE_SB
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BufferSize = FileInformation.EndOfFile.LowPart * sizeof( WCHAR ) * 2;
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#else
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BufferSize = FileInformation.EndOfFile.LowPart * sizeof( WCHAR );
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#endif
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BufferSize += sizeof( UNICODE_NULL );
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BufferBase = NULL;
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Status = NtAllocateVirtualMemory( NtCurrentProcess(),
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(PVOID *)&BufferBase,
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0,
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&BufferSize,
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MEM_COMMIT,
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PAGE_READWRITE
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);
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if (NT_SUCCESS( Status )) {
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Src = (PCHAR)BufferBase + ((FileInformation.EndOfFile.LowPart+1) & ~1);
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Dst = (PWSTR)BufferBase;
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Status = NtReadFile( File,
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NULL,
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NULL,
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NULL,
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&IoStatus,
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Src,
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FileInformation.EndOfFile.LowPart,
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NULL,
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NULL
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);
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if (NT_SUCCESS( Status )) {
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Status = IoStatus.Status;
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if (NT_SUCCESS( Status )) {
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if (IoStatus.Information != FileInformation.EndOfFile.LowPart) {
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Status = STATUS_END_OF_FILE;
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}
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else {
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Status = NtQueryInformationFile( File,
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&IoStatus,
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(PVOID)&FileDateTimeInfo,
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sizeof( FileDateTimeInfo ),
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FileBasicInformation
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);
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}
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}
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}
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if (!NT_SUCCESS( Status )) {
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NtFreeVirtualMemory( NtCurrentProcess(),
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(PVOID *)&BufferBase,
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&BufferSize,
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MEM_RELEASE
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);
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}
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}
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NtClose( File );
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if (!NT_SUCCESS( Status )) {
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return( Status );
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}
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i = 0;
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while (i < FileInformation.EndOfFile.LowPart) {
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if (i > 1 && (Src[-2] == ' ' || Src[-2] == '\t') &&
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Src[-1] == '\\' && (*Src == '\r' || *Src == '\n')
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) {
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if (Dst[-1] == L'\\') {
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--Dst;
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}
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while (Dst > (PWSTR)BufferBase) {
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if (Dst[-1] > L' ') {
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break;
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}
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Dst--;
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}
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LineCount = 0;
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while (i < FileInformation.EndOfFile.LowPart) {
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if (*Src == '\n') {
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i++;
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Src++;
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LineCount++;
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}
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else
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if (*Src == '\r' &&
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(i+1) < FileInformation.EndOfFile.LowPart &&
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Src[ 1 ] == '\n'
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) {
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i += 2;
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Src += 2;
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LineCount++;
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}
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else {
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break;
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}
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}
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if (LineCount > 1) {
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*Dst++ = L'\n';
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}
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else {
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*Dst++ = L' ';
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while (i < FileInformation.EndOfFile.LowPart && (*Src == ' ' || *Src == '\t')) {
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i++;
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Src++;
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}
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}
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if (i >= FileInformation.EndOfFile.LowPart) {
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break;
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}
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}
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else
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if ((*Src == '\r' && Src[1] == '\n') || *Src == '\n') {
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#pragma warning ( disable : 4127 )
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while (TRUE) {
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while (i < FileInformation.EndOfFile.LowPart && (*Src == '\r' || *Src == '\n')) {
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i++;
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Src++;
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}
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Src1 = Src;
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i1 = i;
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while (i1 < FileInformation.EndOfFile.LowPart && (*Src1 == ' ' || *Src1 == '\t')) {
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i1++;
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Src1++;
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}
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if (i1 < FileInformation.EndOfFile.LowPart &&
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(*Src1 == '\r' && Src1[1] == '\n') || *Src1 == '\n'
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) {
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Src = Src1;
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i = i1;
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}
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else {
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break;
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}
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}
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#pragma warning ( default : 4127 )
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*Dst++ = L'\n';
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}
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else {
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#ifdef FE_SB
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WCHAR UnicodeCharacter;
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LONG cbCharSize = IsDBCSLeadByteEx(uCodePage,*Src) ? 2 : 1;
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if ( MultiByteToWideChar(
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uCodePage,
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0,
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Src,
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cbCharSize,
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&UnicodeCharacter,
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1) == 0) {
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//
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// Check for error - The only time this will happen is if there is
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// a leadbyte without a trail byte.
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//
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UnicodeCharacter = 0x0020;
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}
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i += cbCharSize;
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Src += cbCharSize;
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*Dst++ = UnicodeCharacter;
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#else
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i++;
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*Dst++ = RtlAnsiCharToUnicodeChar( &Src );
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#endif
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}
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}
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if (NT_SUCCESS( Status )) {
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*Dst = UNICODE_NULL;
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UnicodeFile->FileContents = BufferBase;
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UnicodeFile->EndOfFile = Dst;
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UnicodeFile->BeginLine = NULL;
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UnicodeFile->EndOfLine = NULL;
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UnicodeFile->NextLine = BufferBase;
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UnicodeFile->LastWriteTime = FileDateTimeInfo.LastWriteTime;
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}
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else {
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NtFreeVirtualMemory( NtCurrentProcess(),
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(PVOID *)&BufferBase,
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&BufferSize,
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MEM_RELEASE
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);
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}
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return( Status );
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}
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//
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// Define an upcase macro for temporary use by the upcase routines
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//
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|
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#define upcase(C) (WCHAR )(((C) >= 'a' && (C) <= 'z' ? (C) - ('a' - 'A') : (C)))
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|
|
|
|||
|
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BOOLEAN
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|||
|
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DatGetMultiString(
|
|||
|
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IN OUT PUNICODE_STRING ValueString,
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|||
|
|
OUT PUNICODE_STRING MultiString
|
|||
|
|
)
|
|||
|
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|
|||
|
|
/*++
|
|||
|
|
|
|||
|
|
Routine Description:
|
|||
|
|
|
|||
|
|
This routine parses multi-strings of the form
|
|||
|
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|
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|
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"foo" "bar" "bletch"
|
|||
|
|
|
|||
|
|
Each time it is called, it strips the first string in quotes from
|
|||
|
|
the input string, and returns it as the multi-string.
|
|||
|
|
|
|||
|
|
INPUT ValueString: "foo" "bar" "bletch"
|
|||
|
|
|
|||
|
|
OUTPUT ValueString: "bar" "bletch"
|
|||
|
|
MultiString: foo
|
|||
|
|
|
|||
|
|
Arguments:
|
|||
|
|
|
|||
|
|
ValueString - Supplies the string from which the multi-string will be
|
|||
|
|
parsed
|
|||
|
|
- Returns the remaining string after the multi-string is
|
|||
|
|
removed
|
|||
|
|
|
|||
|
|
MultiString - Returns the multi-string removed from ValueString
|
|||
|
|
|
|||
|
|
Return Value:
|
|||
|
|
|
|||
|
|
TRUE - multi-string found and removed.
|
|||
|
|
|
|||
|
|
FALSE - no more multi-strings remaining.
|
|||
|
|
|
|||
|
|
--*/
|
|||
|
|
|
|||
|
|
{
|
|||
|
|
//
|
|||
|
|
// Find the first quote mark.
|
|||
|
|
//
|
|||
|
|
while ((*(ValueString->Buffer) != L'"') &&
|
|||
|
|
(ValueString->Length > 0)) {
|
|||
|
|
++ValueString->Buffer;
|
|||
|
|
ValueString->Length -= sizeof(WCHAR);
|
|||
|
|
ValueString->MaximumLength -= sizeof(WCHAR);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (ValueString->Length == 0) {
|
|||
|
|
return(FALSE);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//
|
|||
|
|
// We have found the start of the multi-string. Now find the end,
|
|||
|
|
// building up our return MultiString as we go.
|
|||
|
|
//
|
|||
|
|
++ValueString->Buffer;
|
|||
|
|
ValueString->Length -= sizeof(WCHAR);
|
|||
|
|
ValueString->MaximumLength -= sizeof(WCHAR);
|
|||
|
|
MultiString->Buffer = ValueString->Buffer;
|
|||
|
|
MultiString->Length = 0;
|
|||
|
|
MultiString->MaximumLength = 0;
|
|||
|
|
while ((*(ValueString->Buffer) != L'"') &&
|
|||
|
|
(ValueString->Length > 0)) {
|
|||
|
|
++ValueString->Buffer;
|
|||
|
|
ValueString->Length -= sizeof(WCHAR);
|
|||
|
|
ValueString->MaximumLength -= sizeof(WCHAR);
|
|||
|
|
|
|||
|
|
MultiString->Length += sizeof(WCHAR);
|
|||
|
|
MultiString->MaximumLength += sizeof(WCHAR);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (ValueString->Length == 0) {
|
|||
|
|
return(FALSE);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
++ValueString->Buffer;
|
|||
|
|
ValueString->Length -= sizeof(WCHAR);
|
|||
|
|
ValueString->MaximumLength -= sizeof(WCHAR);
|
|||
|
|
|
|||
|
|
return( TRUE );
|
|||
|
|
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#define EXTENSION_DELIMITER TEXT('.')
|
|||
|
|
LPTSTR
|
|||
|
|
FindFileExtension (
|
|||
|
|
IN PUNICODE_STRING FileName
|
|||
|
|
)
|
|||
|
|
{
|
|||
|
|
LPTSTR lpszDelimiter ;
|
|||
|
|
|
|||
|
|
lpszDelimiter = _tcsrchr ((LPCTSTR)FileName->Buffer, (TCHAR)EXTENSION_DELIMITER) ;
|
|||
|
|
|
|||
|
|
if (lpszDelimiter)
|
|||
|
|
return lpszDelimiter;
|
|||
|
|
else
|
|||
|
|
return (LPTSTR)((PBYTE)FileName->Buffer + FileName->Length - sizeof(WCHAR));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
BOOL
|
|||
|
|
OutputIniData (
|
|||
|
|
IN PUNICODE_STRING FileName,
|
|||
|
|
IN LPTSTR OutFileCandidate,
|
|||
|
|
IN PVOID pValueBuffer,
|
|||
|
|
IN ULONG ValueLength
|
|||
|
|
)
|
|||
|
|
{
|
|||
|
|
HANDLE hOutFile = NULL;
|
|||
|
|
LPTSTR lpExtension = NULL;
|
|||
|
|
DWORD nAmtWritten ;
|
|||
|
|
BOOL bSuccess ;
|
|||
|
|
DWORD ErrorCode ;
|
|||
|
|
|
|||
|
|
// If output file not specified, derive from input file name
|
|||
|
|
|
|||
|
|
if (! lstrcmp(OutFileCandidate, (LPCWSTR)L"\0")) {
|
|||
|
|
lpExtension = FindFileExtension (FileName);
|
|||
|
|
lstrcpy (lpExtension, (LPCTSTR)TEXT(".dat"));
|
|||
|
|
lstrcpy (OutFileCandidate, FileName->Buffer);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
hOutFile = (HANDLE) CreateFile (
|
|||
|
|
OutFileCandidate,
|
|||
|
|
GENERIC_READ | GENERIC_WRITE,
|
|||
|
|
FILE_SHARE_READ,
|
|||
|
|
NULL, CREATE_ALWAYS,
|
|||
|
|
FILE_ATTRIBUTE_NORMAL, NULL);
|
|||
|
|
|
|||
|
|
if ((hOutFile == NULL) || (hOutFile == INVALID_HANDLE_VALUE)) {
|
|||
|
|
ErrorCode = GetLastError();
|
|||
|
|
printf (GetFormatResource(LC_CANT_CREATE), ErrorCode);
|
|||
|
|
if (ErrorCode == ERROR_ACCESS_DENIED)
|
|||
|
|
printf ("%ws\n", GetStringResource(LC_ACCESS_DENIED));
|
|||
|
|
return FALSE;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
bSuccess = WriteFile (
|
|||
|
|
hOutFile,
|
|||
|
|
pValueBuffer,
|
|||
|
|
ValueLength,
|
|||
|
|
&nAmtWritten,
|
|||
|
|
NULL) ;
|
|||
|
|
|
|||
|
|
bSuccess = bSuccess && (nAmtWritten == ValueLength) ;
|
|||
|
|
|
|||
|
|
CloseHandle( hOutFile );
|
|||
|
|
|
|||
|
|
if (!bSuccess) {
|
|||
|
|
ErrorCode = GetLastError();
|
|||
|
|
printf (GetFormatResource(LC_CANT_WRITE), ErrorCode);
|
|||
|
|
if (ErrorCode == ERROR_DISK_FULL)
|
|||
|
|
printf ("%ws\n", GetStringResource(LC_DISK_FULL));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return bSuccess;
|
|||
|
|
}
|
|||
|
|
|