exp bool DirCreate(const char* dirName) {
// Convert the filename into DOS8.3 format
char* dosName = new char[12];
ToDos83Name(dirName, dosName);
DirectoryEntry* entry = MakeEntry(dosName, ATTRIB_DIRECTORY, 0, &directory);
if (!entry) {
LastError("DirCreate", "Failed to create a directory");
delete[] dosName;
return false;
}
// Write FAT entry
FatEntry fatEntry;
fatEntry.buffer = new char[bpb->bytesPerSector];
fatEntry.cluster = GetClusterFromEntry(entry);
fatEntry.sector = GetFATSector(fatEntry.cluster);
UpdateFAT(&fatEntry, GetClusterFromEntry(entry));
// Write entry to disk
DirectoryWrite(&directory);
//WriteSector(directoryBuffer + ((((char*)entry - directoryBuffer) / 512) * 512),directorySector + (((char*)entry - directoryBuffer) / 512));
delete[] dosName;
delete[] fatEntry.buffer;
return true;
}
// Updates everything except for starting cluster and name
// ONLY AFFECTS ENTRY, NOT FAT
void UpdateEntry(DirectoryEntry* entry, const uint8_t attrib, const uint32_t size) {
// Get the time
time_t timestamp;
struct tm* localTime;
time(×tamp);
localTime = localtime(×tamp);
// Update the entry
entry->attrib = (attrib) ? attrib : entry->attrib;
entry->size = (size) ? size : entry->size;
entry->lastModDate = CreateDate(localTime);
entry->lastModTime = CreateTime(localTime);
entry->accessDate = CreateDate(localTime);
// Write to disk
DirectoryWrite(&directory);
//WriteSector(directoryBuffer + ((((char*)entry - directoryBuffer) / 512) * 512),directorySector + (((char*)entry - directoryBuffer) / 512));
}
exp bool Delete(const char* filename) {
// Convert the filename into DOS8.3 format
char* dosName = new char[12];
ToDos83Name(filename, dosName);
// Find entry
DirectoryEntry* entry = FindEntry(dosName, &directory);
if (!entry) {
LastError("Delete", "Failed to find file");
return false;
}
if (!(entry->attrib & ATTRIB_ARCHIVE) || (entry->attrib & ATTRIB_DIRECTORY)) {
LastError("Delete", "This is not a file");
return false;
}
entry->name[0] = (char)ATTRIB_DELETED;
DirectoryWrite(&directory);
//WriteSector(directoryBuffer + ((((char*)entry - directoryBuffer) / 512) * 512),directorySector + (((char*)entry - directoryBuffer) / 512));
// Unlink all clusters
FatEntry fatEntry;
fatEntry.buffer = new char[bpb->bytesPerSector];
fatEntry.cluster = GetClusterFromEntry(entry);
fatEntry.sector = GetFATSector(fatEntry.cluster);
ReadSector(fatEntry.buffer, fatEntry.sector);
while (DeleteCluster(&fatEntry))
Sleep(1);
WriteSector(fatEntry.buffer, fatEntry.sector);
delete[] fatEntry.buffer;
return false;
}
exp bool Rename(const char* old, const char* newname) {
// Convert the filename into DOS8.3 format
char* dosName = new char[12];
char* dosNameNew = new char[12];
ToDos83Name(old, dosName);
ToDos83Name(newname, dosNameNew);
// Find the entry
DirectoryEntry* entry = FindEntry(dosName, &directory);
if (!entry) {
LastError("Rename", "Failed to find file");
return false;
}
memcpy(entry->name, dosNameNew, DOS83_MAX_LEN);
DirectoryWrite(&directory);
//WriteSector(directoryBuffer + ((((char*)entry - directoryBuffer) / 512) * 512),directorySector + (((char*)entry - directoryBuffer) / 512));
delete[] dosName;
delete[] dosNameNew;
return true;
}
s32 GCMemcardDirectory::Write(u32 destaddress, s32 length, u8 *srcaddress)
{
std::unique_lock<std::mutex> l(m_write_mutex);
if (length != 0x80)
INFO_LOG(EXPANSIONINTERFACE, "WRITING TO %x, len %x", destaddress, length);
s32 block = destaddress / BLOCK_SIZE;
u32 offset = destaddress % BLOCK_SIZE;
s32 extra = 0; // used for write calls that are across multiple blocks
if (offset + length > BLOCK_SIZE)
{
extra = length + offset - BLOCK_SIZE;
length -= extra;
// verify that we haven't calculated a length beyond BLOCK_SIZE
_dbg_assert_msg_(EXPANSIONINTERFACE, (destaddress + length) % BLOCK_SIZE == 0,
"Memcard directory Write Logic Error");
}
if (m_LastBlock != block)
{
switch (block)
{
case 0:
m_LastBlock = block;
m_LastBlockAddress = (u8 *)&m_hdr;
break;
case 1:
case 2:
{
m_LastBlock = -1;
s32 bytes_written = 0;
while (length > 0)
{
s32 to_write = std::min<s32>(DENTRY_SIZE, length);
bytes_written += DirectoryWrite(destaddress + bytes_written, to_write, srcaddress + bytes_written);
length -= to_write;
}
return bytes_written;
}
case 3:
m_LastBlock = block;
m_LastBlockAddress = (u8 *)&m_bat1;
break;
case 4:
m_LastBlock = block;
m_LastBlockAddress = (u8 *)&m_bat2;
break;
default:
m_LastBlock = SaveAreaRW(block, true);
if (m_LastBlock == -1)
{
PanicAlertT("Report: GCIFolder Writing to unallocated block %x", block);
exit(0);
}
}
}
memcpy(m_LastBlockAddress + offset, srcaddress, length);
l.unlock();
if (extra)
extra = Write(destaddress + length, extra, srcaddress + length);
if (offset + length == BLOCK_SIZE)
m_flush_trigger.Set();
return length + extra;
}
exp bool CopyIn(const char* source, const char* dest) {
DirectoryEntry* entry = 0;
char* buffer = new char[bpb->bytesPerSector];
// Open file we're copying in
std::ifstream inHandle(source, std::ios::in | std::ios::binary | std::ios::ate);
if (!inHandle.is_open()) {
LastError("CopyIn", "Failed to open source file");
return false;
}
// Get size of source file
size_t inLength = (size_t)inHandle.tellg();
inHandle.seekg(std::ios::beg);
// Convert the filename into DOS8.3 format
char* dosName = new char[12];
ToDos83Name(dest, dosName);
// Check if entry exists, if so, overwrite it
entry = FindEntry(dosName, &directory);
if (entry) {
// Delete file
Delete(dest);
// Undelete entry
entry->name[0] = dosName[0];
}
// Create the directory entry
if (!entry) {
// Didn't delete file, make it
entry = MakeEntry(dosName, ATTRIB_ARCHIVE, inLength, &directory);
if (!entry) {
LastError("CopyIn", "Failed to create directory entry");
delete[] dosName;
delete[] buffer;
return false;
}
}
else {
// Deleted file, find it
entry = FindEntry(dosName, &directory);
if (!entry) {
LastError("CopyIn", "Somehow a file that was just undeleted can't be found...");
delete[] dosName;
delete[] buffer;
return false;
}
UpdateEntry(entry, 0, inLength);
}
// Write entry to disk
DirectoryWrite(&directory);
// Update FAT and then load each cluster and write it while updating the FAT
FatEntry fatEntry;
fatEntry.buffer = new char[bpb->bytesPerSector];
fatEntry.cluster = GetClusterFromEntry(entry);
fatEntry.sector = GetFATSector(fatEntry.cluster);
ReadSector(fatEntry.buffer, fatEntry.sector);
UpdateFAT(&fatEntry, FindFreeCluster());
// Write to disk
for (size_t i = 0; i < inLength; i += bpb->bytesPerSector) {
memset(buffer, 0, bpb->bytesPerSector);
if (!(i % bpb->bytesPerSector))
inHandle.read(buffer, bpb->bytesPerSector);
else
inHandle.read(buffer, i % bpb->bytesPerSector);
WriteCluster(&fatEntry, buffer);
}
delete[] dosName;
delete[] buffer;
delete[] fatEntry.buffer;
inHandle.close();
return true;
}
