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92 lines
1.6 KiB
92 lines
1.6 KiB
#include "ulib.hxx"
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#include "rootio.hxx"
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#include "diskedit.h"
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#include "rfatsa.hxx"
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extern "C" {
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#include <stdio.h>
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}
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BOOLEAN
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ROOT_IO::Setup(
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IN PMEM Mem,
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IN PLOG_IO_DP_DRIVE Drive,
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IN HANDLE Application,
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IN HWND WindowHandle,
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OUT PBOOLEAN Error
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)
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{
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REAL_FAT_SA fatsa;
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MESSAGE msg;
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_drive = Drive;
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*Error = TRUE;
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if (!_drive ||
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!fatsa.Initialize(_drive, &msg) ||
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!fatsa.FAT_SA::Read() ||
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!_rootdir.Initialize(Mem, _drive,
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fatsa.QueryReservedSectors() +
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fatsa.QueryFats() * fatsa.QuerySectorsPerFat(),
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fatsa.QueryRootEntries())) {
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return FALSE;
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}
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_buffer = _rootdir.GetDirEntry(0);
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_buffer_size = ((BytesPerDirent*fatsa.QueryRootEntries() - 1)/
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_drive->QuerySectorSize() + 1)*_drive->QuerySectorSize();
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wsprintf(_header_text, TEXT("DiskEdit - Root Directory"));
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return TRUE;
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}
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BOOLEAN
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ROOT_IO::Read(
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OUT PULONG pError
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)
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{
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*pError = 0;
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if (NULL == _drive) {
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return FALSE;
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}
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if (!_rootdir.Read()) {
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*pError = _drive->QueryLastNtStatus();
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return FALSE;
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}
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return TRUE;
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}
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BOOLEAN
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ROOT_IO::Write(
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)
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{
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return _drive ? _rootdir.Write() : FALSE;
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}
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PVOID
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ROOT_IO::GetBuf(
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OUT PULONG Size
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)
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{
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if (Size) {
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*Size = _buffer_size;
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}
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return _buffer;
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}
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PTCHAR
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ROOT_IO::GetHeaderText(
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)
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{
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return _header_text;
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}
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