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return true;
}
static void
readExtensions(OFLHAArchiveEntry *entry, OFStream *stream,
OFStringEncoding encoding, bool allowFileName)
{
uint16_t size;
while ((size = [stream readLittleEndianInt16]) > 0) {
OFData *extension;
if (size < 2)
@throw [OFInvalidFormatException exception];
extension = [stream readDataWithCount: size - 2];
if (!parseExtension(entry, extension, encoding, allowFileName))
[entry->_extensions addObject: extension];
if (entry->_headerLevel == 1) {
if (entry->_compressedSize < size)
@throw [OFInvalidFormatException exception];
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return true;
}
static void
readExtensions(OFLHAArchiveEntry *entry, OFStream *stream,
OFStringEncoding encoding, bool allowFileName)
{
for (;;) {
uint32_t size;
OFData *extension;
if (entry->_headerLevel == 3)
size = [stream readLittleEndianInt32];
else
size = [stream readLittleEndianInt16];
if (size == 0)
break;
if (size < 2 || (entry->_headerLevel == 3 && size < 4))
@throw [OFInvalidFormatException exception];
extension = [stream readDataWithCount:
size - (entry->_headerLevel == 3 ? 4 : 2)];
if (!parseExtension(entry, extension, encoding, allowFileName))
[entry->_extensions addObject: extension];
if (entry->_headerLevel == 1) {
if (entry->_compressedSize < size)
@throw [OFInvalidFormatException exception];
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readExtensions(self, stream, encoding, false);
}
objc_autoreleasePoolPop(pool);
break;
case 2:
_modificationDate = [[OFDate alloc]
initWithTimeIntervalSince1970: date];
_CRC16 = [stream readLittleEndianInt16];
_operatingSystemIdentifier = [stream readInt8];
readExtensions(self, stream, encoding, true);
break;
default:;
OFString *version = [OFString
stringWithFormat: @"%u", _headerLevel];
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readExtensions(self, stream, encoding, false);
}
objc_autoreleasePoolPop(pool);
break;
case 2:
case 3:
_modificationDate = [[OFDate alloc]
initWithTimeIntervalSince1970: date];
_CRC16 = [stream readLittleEndianInt16];
_operatingSystemIdentifier = [stream readInt8];
if (_headerLevel == 3)
/* Size of header. Ignored. */
[stream readLittleEndianInt32];
readExtensions(self, stream, encoding, true);
break;
default:;
OFString *version = [OFString
stringWithFormat: @"%u", _headerLevel];
|