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39d54b2056
- Allow listing of partitions from Dopen/Dread. - Support opening files not in the root directory.
48 lines
1 KiB
C++
48 lines
1 KiB
C++
#include "ApaReader.h"
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#include <cassert>
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#include <cstring>
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#include "HddDefs.h"
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using namespace Hdd;
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CApaReader::CApaReader(Framework::CStream& stream)
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: m_stream(stream)
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{
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}
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std::vector<APA_HEADER> CApaReader::GetPartitions()
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{
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std::vector<APA_HEADER> result;
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uint32_t lba = 0;
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while(1)
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{
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APA_HEADER header;
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m_stream.Seek(lba * g_sectorSize, Framework::STREAM_SEEK_SET);
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m_stream.Read(&header, sizeof(APA_HEADER));
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assert(header.magic == APA_HEADER_MAGIC);
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result.push_back(header);
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lba = header.next;
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if(lba == 0) break;
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}
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return result;
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}
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bool CApaReader::TryFindPartition(const char* partitionId, APA_HEADER& partitionHeader)
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{
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uint32_t lba = 0;
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while(1)
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{
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APA_HEADER header;
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m_stream.Seek(lba * g_sectorSize, Framework::STREAM_SEEK_SET);
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m_stream.Read(&header, sizeof(APA_HEADER));
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assert(header.magic == APA_HEADER_MAGIC);
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if(!strcmp(header.id, partitionId))
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{
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partitionHeader = header;
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return true;
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}
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lba = header.next;
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if(lba == 0) break;
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}
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return false;
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}
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