598 lines
16 KiB
C
598 lines
16 KiB
C
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/*++
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Copyright (c) 1996 Microsoft Corporation
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Module Name:
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bootflop.c
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Abstract:
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Routines to create setup boot floppies.
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Author:
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Ted Miller (tedm) 21 November 1996
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Revision History:
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--*/
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#include "precomp.h"
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#pragma hdrstop
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//
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// Define bpb structure.
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//
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#include <pshpack1.h>
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typedef struct _MY_BPB {
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USHORT BytesPerSector;
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UCHAR SectorsPerCluster;
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USHORT ReservedSectors;
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UCHAR FatCount;
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USHORT RootDirectoryEntries;
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USHORT SectorCountSmall;
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UCHAR MediaDescriptor;
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USHORT SectorsPerFat;
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USHORT SectorsPerTrack;
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USHORT HeadCount;
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} MY_BPB, *PMY_BPB;
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#include <poppack.h>
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BOOL
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pFloppyGetDiskInDrive(
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IN HWND ParentWindow,
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IN LPCTSTR FloppyName,
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IN BOOL SpecialFirstPrompt,
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IN BOOL WriteNtBootSector,
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IN BOOL MoveParamsFileToFloppy
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);
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UINT
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FloppyGetTotalFileCount(
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VOID
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)
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/*++
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Routine Description:
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Determine how many files total are to be copied to all boot floppies,
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based on count of lines in [FloppyFiles.x] sections in dosnet.inf.
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Arguments:
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None.
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Return Value:
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Count of files.
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--*/
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{
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TCHAR SectionName[100];
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UINT u;
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UINT Count;
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LONG l;
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Count = 0;
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for(u=0; u<FLOPPY_COUNT; u++) {
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wsprintf(SectionName,TEXT("FloppyFiles.%u"),u);
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l = InfGetSectionLineCount(MainInf,SectionName);
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if(l != -1) {
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Count += (UINT)l;
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}
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}
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return(Count);
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}
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DWORD
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FloppyWorkerThread(
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IN PVOID ThreadParameter
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)
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/*++
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Routine Description:
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Create setup boot floppies.
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Arguments:
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Standard thread routine arguments.
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Return Value:
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Nothing meaningful.
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--*/
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{
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TCHAR SectionName[100];
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TCHAR FloppyName[200];
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TCHAR Buffer[150];
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TCHAR SourceName[MAX_PATH];
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TCHAR TargetName[MAX_PATH];
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TCHAR CompressedSourceName[MAX_PATH];
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WIN32_FIND_DATA FindData;
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HANDLE FindHandle;
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LPCTSTR Directory;
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LPCTSTR p,q;
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LPTSTR r;
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UINT Floppy;
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LONG Count;
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LONG Line;
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DWORD d;
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HWND ParentWindow;
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BOOL FirstPrompt;
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BOOL TryCompressedFirst;
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ParentWindow = (HWND)ThreadParameter;
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FirstPrompt = TRUE;
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TryCompressedFirst = FALSE;
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//
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// Do the floppies backwards so the boot floppy is in the drive
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// when we're done.
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//
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for(Floppy=FLOPPY_COUNT; Floppy>0; Floppy--) {
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wsprintf(SectionName,TEXT("FloppyFiles.%u"),Floppy-1);
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//
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// Special case the name of the first floppy.
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//
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if(Floppy>1) {
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LoadString(
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hInst,
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Server ? IDS_FLOPPY_N_SRV : IDS_FLOPPY_N_WKS,
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Buffer,
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sizeof(Buffer)/sizeof(TCHAR)
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);
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wsprintf(FloppyName,Buffer,Floppy);
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} else {
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LoadString(
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hInst,
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Server ? IDS_BOOTFLOP_SRV : IDS_BOOTFLOP_WKS,
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FloppyName,
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sizeof(FloppyName)/sizeof(TCHAR)
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);
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}
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//
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// Get the floppy in the drive.
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//
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if(!pFloppyGetDiskInDrive(ParentWindow,FloppyName,FirstPrompt,Floppy==1,Floppy==1)) {
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PropSheet_PressButton(GetParent(ParentWindow),PSBTN_CANCEL);
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return(FALSE);
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}
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//
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// Create the file that contains drive letter information (migrate.inf)
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//
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if((Floppy == 1) && ISNT()){
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if(!GetAndSaveNTFTInfo(ParentWindow)) {
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PropSheet_PressButton(GetParent(ParentWindow),PSBTN_CANCEL);
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return(FALSE);
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}
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}
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FirstPrompt = FALSE;
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Count = InfGetSectionLineCount(MainInf,SectionName);
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if(Count == -1) {
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continue;
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}
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//
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// Do each file in the list for this floppy.
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// Since the target is a floppy, we don't bother with multithread copies,
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// all files come from source 0.
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//
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for(Line=0; Line<Count; Line++) {
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Directory = InfGetFieldByIndex(MainInf,SectionName,Line,0);
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p = InfGetFieldByIndex(MainInf,SectionName,Line,1);
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if(p && (Directory = InfGetFieldByKey(MainInf,TEXT("Directories"),Directory,0))) {
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lstrcpy(SourceName,SourcePaths[0]);
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ConcatenatePaths(SourceName,Directory,MAX_PATH);
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ConcatenatePaths(SourceName,p,MAX_PATH);
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q = InfGetFieldByIndex(MainInf,SectionName,Line,2);
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TargetName[0] = FirstFloppyDriveLetter;
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TargetName[1] = TEXT(':');
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TargetName[2] = 0;
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ConcatenatePaths(TargetName,q ? q : p,MAX_PATH);
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//
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// Create any subdirectory if necessary
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//
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if((r = _tcsrchr(TargetName,TEXT('\\'))) && ((r-TargetName) > 3)) {
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*r = 0;
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d = CreateMultiLevelDirectory(TargetName);
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*r = TEXT('\\');
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} else {
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d = NO_ERROR;
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}
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if(d == NO_ERROR) {
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if(TryCompressedFirst) {
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GenerateCompressedName(SourceName,CompressedSourceName);
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FindHandle = FindFirstFile(CompressedSourceName,&FindData);
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if(FindHandle != INVALID_HANDLE_VALUE) {
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FindClose(FindHandle);
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lstrcpy(SourceName,CompressedSourceName);
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GenerateCompressedName(TargetName,FindData.cFileName);
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lstrcpy(TargetName,FindData.cFileName);
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} else {
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FindHandle = FindFirstFile(SourceName,&FindData);
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if(FindHandle != INVALID_HANDLE_VALUE) {
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FindClose(FindHandle);
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TryCompressedFirst = FALSE;
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}
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}
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} else {
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FindHandle = FindFirstFile(SourceName,&FindData);
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if(FindHandle != INVALID_HANDLE_VALUE) {
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FindClose(FindHandle);
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} else {
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GenerateCompressedName(SourceName,CompressedSourceName);
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FindHandle = FindFirstFile(CompressedSourceName,&FindData);
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if(FindHandle != INVALID_HANDLE_VALUE) {
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FindClose(FindHandle);
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lstrcpy(SourceName,CompressedSourceName);
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GenerateCompressedName(TargetName,FindData.cFileName);
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lstrcpy(TargetName,FindData.cFileName);
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}
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}
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}
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d = CopyFile(SourceName,TargetName,FALSE) ? NO_ERROR : GetLastError();
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//
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// Retry once to overcome transient net glitches.
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//
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if((d != NO_ERROR) && (d != ERROR_FILE_NOT_FOUND)
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&& (d != ERROR_PATH_NOT_FOUND) && (d != ERROR_WRITE_PROTECT)) {
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Sleep(350);
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d = CopyFile(SourceName,TargetName,FALSE) ? NO_ERROR : GetLastError();
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}
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}
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if(d == NO_ERROR) {
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//
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// Tell main thread that another file is done.
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//
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SendMessage(ParentWindow,WMX_COPYPROGRESS,0,0);
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} else {
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switch(FileCopyError(ParentWindow,SourceName,TargetName,d,FALSE)) {
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case COPYERR_SKIP:
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//
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// Tell main thread that another file is done.
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//
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SendMessage(ParentWindow,WMX_COPYPROGRESS,0,0);
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break;
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case COPYERR_EXIT:
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//
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// We're outta here.
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//
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PropSheet_PressButton(GetParent(ParentWindow),PSBTN_CANCEL);
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return(FALSE);
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break;
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case COPYERR_RETRY:
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//
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// Little hack to retry the current line.
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//
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Line--;
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break;
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}
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}
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}
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}
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}
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//
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// Send message indicating completion.
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//
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SendMessage(ParentWindow,WMX_COPYPROGRESS,0,1);
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return(TRUE);
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}
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BOOL
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pFloppyGetDiskInDrive(
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IN HWND ParentWindow,
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IN LPCTSTR FloppyName,
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IN BOOL SpecialFirstPrompt,
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IN BOOL WriteNtBootSector,
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IN BOOL MoveParamsFileToFloppy
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)
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/*++
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Routine Description:
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This routine prompts the user to insert a floppy disk and verifies that
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the disk is blank, etc.
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Arguments:
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ParentWindow - supplies the window handle of the window to be the
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owner/parent for ui that this routine will display.
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FloppyName - supplies human-readable name of the floppy, used in prompting.
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SpecialFirstPrompt - if TRUE then this routine assumes that a special prompt
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should be used, that is suitable to be the first prompt the user sees
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for any floppies.
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WriteNtBootSector - if TRUE then an NT boot sector is written to the disk.
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Return Value:
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TRUE if the disk is in the drive. FALSE means the program should exit.
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--*/
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{
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int i;
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BOOL b;
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BYTE BootSector[512];
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BYTE NewBootSector[512];
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TCHAR SourceName[MAX_PATH];
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TCHAR TargetName[MAX_PATH];
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DWORD d;
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PMY_BPB p;
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DWORD spc,bps,freeclus,totclus;
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//
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// Issue the prompt.
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//
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reprompt:
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i = MessageBoxFromMessage(
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ParentWindow,
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SpecialFirstPrompt ? MSG_FIRST_FLOPPY_PROMPT : MSG_GENERIC_FLOPPY_PROMPT,
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FALSE,
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AppTitleStringId,
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MB_OKCANCEL | MB_ICONEXCLAMATION,
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FloppyName,
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FLOPPY_COUNT
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);
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if(i == IDCANCEL) {
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//
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// Confirm.
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//
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i = MessageBoxFromMessage(
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ParentWindow,
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MSG_SURE_EXIT,
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FALSE,
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AppTitleStringId,
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MB_YESNO | MB_ICONQUESTION | MB_DEFBUTTON2
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);
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if(i == IDYES) {
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Cancelled = TRUE;
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return(FALSE);
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}
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goto reprompt;
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}
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//
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// Inspect the floppy. Start by reading the boot sector off the disk.
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//
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b = ReadDiskSectors(FirstFloppyDriveLetter,0,1,512,BootSector);
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if(!b) {
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d = GetLastError();
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if((d == ERROR_SHARING_VIOLATION) || (d == ERROR_ACCESS_DENIED)) {
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//
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// Another app is using the drive.
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//
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MessageBoxFromMessage(
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ParentWindow,
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MSG_FLOPPY_BUSY,
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FALSE,
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AppTitleStringId,
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MB_OK | MB_ICONWARNING
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);
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} else {
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//
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|
|
// Read error -- assume no floppy is inserted or it's unformatted
|
||
|
|
//
|
||
|
|
MessageBoxFromMessage(
|
||
|
|
ParentWindow,
|
||
|
|
MSG_FLOPPY_BAD_FORMAT,
|
||
|
|
FALSE,
|
||
|
|
AppTitleStringId,
|
||
|
|
MB_OK | MB_ICONWARNING
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
goto reprompt;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Sanity check on the boot sector. Note that on PC98 there is no
|
||
|
|
// 55aa sig on a disk formatted by DOS5.0.
|
||
|
|
//
|
||
|
|
p = (PMY_BPB)&BootSector[11];
|
||
|
|
if((BootSector[0] != 0xeb) || (BootSector[2] != 0x90)
|
||
|
|
|| (!IsNEC98() && ((BootSector[510] != 0x55) || (BootSector[511] != 0xaa)))
|
||
|
|
|| (p->BytesPerSector != 512)
|
||
|
|
|| ((p->SectorsPerCluster != 1) && (p->SectorsPerCluster != 2)) // 2.88M disks have 2 spc
|
||
|
|
|| (p->ReservedSectors != 1)
|
||
|
|
|| (p->FatCount != 2)
|
||
|
|
|| !p->SectorCountSmall // <32M uses the 16-bit count
|
||
|
|
|| (p->MediaDescriptor != 0xf0)
|
||
|
|
|| (p->HeadCount != 2)
|
||
|
|
|| !p->RootDirectoryEntries) {
|
||
|
|
|
||
|
|
MessageBoxFromMessage(
|
||
|
|
ParentWindow,
|
||
|
|
MSG_FLOPPY_BAD_FORMAT,
|
||
|
|
FALSE,
|
||
|
|
AppTitleStringId,
|
||
|
|
MB_OK | MB_ICONWARNING
|
||
|
|
);
|
||
|
|
|
||
|
|
goto reprompt;
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Get the free space on the disk. Make sure it's blank, by which we mean
|
||
|
|
// that is has as much free space on it as a 1.44MB floppy would usually have
|
||
|
|
// immediately after formatting.
|
||
|
|
//
|
||
|
|
SourceName[0] = FirstFloppyDriveLetter;
|
||
|
|
SourceName[1] = TEXT(':');
|
||
|
|
SourceName[2] = TEXT('\\');
|
||
|
|
SourceName[3] = 0;
|
||
|
|
if(!GetDiskFreeSpace(SourceName,&spc,&bps,&freeclus,&totclus)) {
|
||
|
|
MessageBoxFromMessage(
|
||
|
|
ParentWindow,
|
||
|
|
MSG_FLOPPY_CANT_GET_SPACE,
|
||
|
|
FALSE,
|
||
|
|
AppTitleStringId,
|
||
|
|
MB_OK | MB_ICONWARNING
|
||
|
|
);
|
||
|
|
|
||
|
|
goto reprompt;
|
||
|
|
}
|
||
|
|
|
||
|
|
if((freeclus * spc * bps) < 1457664) {
|
||
|
|
MessageBoxFromMessage(
|
||
|
|
ParentWindow,
|
||
|
|
MSG_FLOPPY_NOT_BLANK,
|
||
|
|
FALSE,
|
||
|
|
AppTitleStringId,
|
||
|
|
MB_OK | MB_ICONWARNING
|
||
|
|
);
|
||
|
|
|
||
|
|
goto reprompt;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(WriteNtBootSector) {
|
||
|
|
extern BYTE FatBootCode[512];
|
||
|
|
extern BYTE PC98FatBootCode[512];
|
||
|
|
|
||
|
|
CopyMemory(NewBootSector,IsNEC98() ? PC98FatBootCode : FatBootCode,512);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Copy the BPB we retreived for the disk into the bootcode template.
|
||
|
|
// We only care about the original BPB fields, through the head count
|
||
|
|
// field. We will fill in the other fields ourselves.
|
||
|
|
//
|
||
|
|
strncpy(NewBootSector+3,"MSDOS5.0",8);
|
||
|
|
CopyMemory(NewBootSector+11,BootSector+11,sizeof(MY_BPB));
|
||
|
|
|
||
|
|
//
|
||
|
|
// Set up other fields in the bootsector/BPB/xBPB.
|
||
|
|
//
|
||
|
|
// Large sector count (4 bytes)
|
||
|
|
// Hidden sector count (4 bytes)
|
||
|
|
// current head (1 byte, not necessary to set this, but what the heck)
|
||
|
|
// physical disk# (1 byte)
|
||
|
|
//
|
||
|
|
ZeroMemory(NewBootSector+28,10);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Extended BPB signature
|
||
|
|
//
|
||
|
|
NewBootSector[38] = 41;
|
||
|
|
|
||
|
|
//
|
||
|
|
// Serial number
|
||
|
|
//
|
||
|
|
*(DWORD UNALIGNED *)(NewBootSector+39) = ((GetTickCount() << 12)
|
||
|
|
| ((GetTickCount() >> 4) & 0xfff));
|
||
|
|
|
||
|
|
//
|
||
|
|
// volume label/system id
|
||
|
|
//
|
||
|
|
strncpy(NewBootSector+43,"NO NAME ",11);
|
||
|
|
strncpy(NewBootSector+54,"FAT12 ",8);
|
||
|
|
|
||
|
|
//
|
||
|
|
// Overwrite the 'ntldr' string with 'setupldr.bin' so the right file gets
|
||
|
|
// loaded when the floppy is booted.
|
||
|
|
//
|
||
|
|
for(i=499; i>0; --i) {
|
||
|
|
if(!memcmp("NTLDR ",NewBootSector+i,11)) {
|
||
|
|
strncpy(NewBootSector+i,"SETUPLDRBIN",11);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Write it out.
|
||
|
|
//
|
||
|
|
b = WriteDiskSectors(FirstFloppyDriveLetter,0,1,512,NewBootSector);
|
||
|
|
if(!b) {
|
||
|
|
MessageBoxFromMessage(
|
||
|
|
ParentWindow,
|
||
|
|
MSG_CANT_WRITE_FLOPPY,
|
||
|
|
FALSE,
|
||
|
|
AppTitleStringId,
|
||
|
|
MB_OK | MB_ICONWARNING
|
||
|
|
);
|
||
|
|
|
||
|
|
goto reprompt;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if(MoveParamsFileToFloppy) {
|
||
|
|
|
||
|
|
wsprintf(SourceName,TEXT("%c:\\%s"),SystemPartitionDriveLetter,WINNT_SIF_FILE);
|
||
|
|
wsprintf(TargetName,TEXT("%c:\\%s"),FirstFloppyDriveLetter,WINNT_SIF_FILE);
|
||
|
|
|
||
|
|
SetFileAttributes(TargetName,FILE_ATTRIBUTE_NORMAL);
|
||
|
|
DeleteFile(TargetName);
|
||
|
|
if(!MoveFile(SourceName,TargetName)) {
|
||
|
|
|
||
|
|
MessageBoxFromMessageAndSystemError(
|
||
|
|
ParentWindow,
|
||
|
|
MSG_CANT_MOVE_FILE_TO_FLOPPY,
|
||
|
|
GetLastError(),
|
||
|
|
AppTitleStringId,
|
||
|
|
MB_OK | MB_ICONERROR,
|
||
|
|
SystemPartitionDriveLetter,
|
||
|
|
WINNT_SIF_FILE
|
||
|
|
);
|
||
|
|
|
||
|
|
goto reprompt;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Floppy seems OK.
|
||
|
|
//
|
||
|
|
return(TRUE);
|
||
|
|
}
|