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FAT code: also look at short file names and not just long names

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This commit is contained in:
Floris Bos 2022-11-19 23:46:11 +01:00
parent cc88408dae
commit fce80b2a67
1 changed files with 13 additions and 4 deletions
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17
src/devicewrapperfatpartition.cpp
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@ -347,6 +347,17 @@ void DeviceWrapperFatPartition::writeFile(const QString &filename, const QByteAr
updateDirEntry(&entry); updateDirEntry(&entry);
} }
inline QByteArray _dirEntryToShortName(struct dir_entry *entry)
{
QByteArray base = QByteArray((char *) entry->DIR_Name, 8).trimmed().toLower();
QByteArray ext = QByteArray((char *) entry->DIR_Name+8, 3).trimmed().toLower();
if (ext.isEmpty())
return base;
else
return base+"."+ext;
}
bool DeviceWrapperFatPartition::getDirEntry(const QString &longFilename, struct dir_entry *entry, bool createIfNotExist) bool DeviceWrapperFatPartition::getDirEntry(const QString &longFilename, struct dir_entry *entry, bool createIfNotExist)
{ {
QString filenameRead, longFilenameLower = longFilename.toLower(); QString filenameRead, longFilenameLower = longFilename.toLower();
@ -375,11 +386,9 @@ bool DeviceWrapperFatPartition::getDirEntry(const QString &longFilename, struct
{ {
filenameRead.truncate(filenameRead.indexOf(QChar::Null)); filenameRead.truncate(filenameRead.indexOf(QChar::Null));
//qDebug() << "Long filename:" << filenameRead << "Short:" << QByteArray(entry->DIR_Name, sizeof(entry->DIR_Name)); //qDebug() << "Long filename:" << filenameRead << "DIR_Name:" << QByteArray((char *) entry->DIR_Name, sizeof(entry->DIR_Name)) << "Short:" << _dirEntryToShortName(entry);
/* FIXME: should we check short file names as well, if they are not preceeded by long file name entry? */ if (filenameRead.toLower() == longFilenameLower || (filenameRead.isEmpty() && _dirEntryToShortName(entry) == longFilenameLower))
if (filenameRead.toLower() == longFilenameLower)
{ {
return true; return true;
} }