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Card writing bug fixes

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This commit is contained in:
Jack Andersen 2017-02-03 17:43:49 -10:00
parent 11d1c676c4
commit 537cceca49
2 changed files with 65 additions and 9 deletions
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9
include/kabufuda/Card.hpp
View File

@ -20,13 +20,13 @@ namespace kabufuda
class FileHandle
{
friend class Card;
uint32_t idx = 0;
uint32_t idx = -1;
int32_t offset = 0;
FileHandle(uint32_t idx) : idx(idx) {}
public:
FileHandle() = default;
uint32_t getFileNo() const { return idx; }
operator bool() const { return getFileNo() != 0; }
operator bool() const { return getFileNo() != -1; }
};
enum class ECardResult
@ -519,6 +519,11 @@ public:
*/
void commit();
/**
* @brief Commits changes to disk and closes host file
*/
void close();
/**
* @brief Gets card-scope error state
* @return READY, BROKEN, or NOCARD

65
lib/kabufuda/Card.cpp
View File

@ -10,6 +10,11 @@ namespace kabufuda
#define ROUND_UP_8192(val) (((val) + 8191) & ~8191)
static void NullFileAccess()
{
fprintf(stderr, "Attempted to access null file\n");
}
void Card::_swapEndian()
{
m_formatTime = SBig(m_formatTime);
@ -46,9 +51,7 @@ Card::Card(Card&& other)
Card& Card::operator=(Card&& other)
{
commit();
if (m_fileHandle)
fclose(m_fileHandle);
close();
memmove(__raw, other.__raw, BlockSize);
m_filename = std::move(other.m_filename);
@ -121,9 +124,7 @@ Card::Card(const SystemString& filename, const char* game, const char* maker) :
Card::~Card()
{
commit();
if (m_fileHandle)
fclose(m_fileHandle);
close();
}
ECardResult Card::openFile(const char* filename, FileHandle& handleOut)
@ -175,6 +176,11 @@ void Card::_updateChecksum()
File* Card::_fileFromHandle(const FileHandle& fh) const
{
if (!fh)
{
NullFileAccess();
return nullptr;
}
return const_cast<Directory&>(m_dirs[m_currentDir]).getFile(fh.idx);
}
@ -205,7 +211,7 @@ ECardResult Card::createFile(const char* filename, size_t size,
f->m_firstBlock = block;
f->m_blockCount = neededBlocks;
handleOut = FileHandle(m_dirs[m_currentDir].indexForFile(f));
handleOut = FileHandle(dir.indexForFile(f));
_updateDirAndBat(dir, bat);
return ECardResult::READY;
}
@ -230,6 +236,11 @@ FileHandle Card::firstFile()
FileHandle Card::nextFile(const FileHandle& cur)
{
if (!cur)
{
NullFileAccess();
return {};
}
File* next = m_dirs[m_currentDir].getFirstNonFreeFile(cur.idx + 1, m_game, m_maker);
if (!next)
return {};
@ -259,6 +270,11 @@ void Card::_deleteFile(File& f, BlockAllocationTable& bat)
void Card::deleteFile(const FileHandle& fh)
{
if (!fh)
{
NullFileAccess();
return;
}
Directory dir = m_dirs[m_currentDir];
BlockAllocationTable bat = m_bats[m_currentBat];
_deleteFile(*dir.getFile(fh.idx), bat);
@ -310,6 +326,11 @@ ECardResult Card::write(FileHandle& fh, const void* buf, size_t size)
{
if (m_fileHandle)
{
if (!fh)
{
NullFileAccess();
return ECardResult::NOFILE;
}
File* file = m_dirs[m_currentDir].getFile(fh.idx);
if (!file)
return ECardResult::NOFILE;
@ -358,6 +379,11 @@ ECardResult Card::read(FileHandle& fh, void* dst, size_t size)
{
if (m_fileHandle)
{
if (!fh)
{
NullFileAccess();
return ECardResult::NOFILE;
}
File* file = m_dirs[m_currentDir].getFile(fh.idx);
if (!file)
return ECardResult::NOFILE;
@ -403,6 +429,11 @@ ECardResult Card::read(FileHandle& fh, void* dst, size_t size)
void Card::seek(FileHandle& fh, int32_t pos, SeekOrigin whence)
{
if (!fh)
{
NullFileAccess();
return;
}
File* file = m_dirs[m_currentDir].getFile(fh.idx);
if (!file)
return;
@ -532,6 +563,11 @@ static uint32_t TlutSize(EImageFormat fmt)
ECardResult Card::getStatus(const FileHandle& fh, CardStat& statOut) const
{
if (!fh)
{
NullFileAccess();
return ECardResult::NOFILE;
}
return getStatus(fh.idx, statOut);
}
@ -593,6 +629,11 @@ ECardResult Card::getStatus(uint32_t fileNo, CardStat& statOut) const
ECardResult Card::setStatus(const FileHandle& fh, const CardStat& stat)
{
if (!fh)
{
NullFileAccess();
return ECardResult::NOFILE;
}
return setStatus(fh.idx, stat);
}
@ -950,6 +991,16 @@ void Card::commit()
}
}
void Card::close()
{
if (m_fileHandle)
{
commit();
fclose(m_fileHandle);
m_fileHandle = nullptr;
}
}
ECardResult Card::getError() const
{
if (m_fileHandle == nullptr)