flewkey/cuberite-2a
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Bug fix

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This commit is contained in:
Tiger Wang 2014-09-27 22:13:37 +01:00
parent 7b7225e50b
commit 1f8ee70d55
5 changed files with 27 additions and 32 deletions
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17
src/ByteBuffer.cpp
View File

@ -627,23 +627,6 @@ bool cByteBuffer::WriteBool(bool a_Value)
bool cByteBuffer::WriteBEUTF16String16(const AString & a_Value)
{
CHECK_THREAD;
CheckValid();
PUTBYTES(2);
AString UTF16BE;
UTF8ToRawBEUTF16(a_Value.data(), a_Value.size(), UTF16BE);
WriteBEShort((short)(UTF16BE.size() / 2));
PUTBYTES(UTF16BE.size());
WriteBuf(UTF16BE.data(), UTF16BE.size());
return true;
}
bool cByteBuffer::WriteVarInt(UInt32 a_Value)
{
CHECK_THREAD;

1
src/ByteBuffer.h
View File

@ -88,7 +88,6 @@ public:
bool WriteBEFloat (float a_Value);
bool WriteBEDouble (double a_Value);
bool WriteBool (bool a_Value);
bool WriteBEUTF16String16(const AString & a_Value); // string length as BE short, then string as UTF-16BE
bool WriteVarInt (UInt32 a_Value);
bool WriteVarUTF8String (const AString & a_Value); // string length as VarInt, then string as UTF-8
bool WriteLEInt (int a_Value);

17
src/Protocol/ProtocolRecognizer.cpp
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@ -190,8 +190,21 @@ void cProtocolRecognizer::SendDestroyEntity(const cEntity & a_Entity)
void cProtocolRecognizer::SendDisconnect(const AString & a_Reason)
{
ASSERT(m_Protocol != NULL);
m_Protocol->SendDisconnect(a_Reason);
if (m_Protocol != NULL)
{
m_Protocol->SendDisconnect(a_Reason);
}
else
{
// This is used when the client sends a server-ping, respond with the default packet:
static const int Packet = 0xff; // PACKET_DISCONNECT
SendData((const char *)&Packet, 1); // WriteByte()
AString & UTF16 = UTF8ToRawBEUTF16(a_Reason.c_str(), a_Reason.length());
static const short Size = htons((short)(UTF16.size() / 2));
SendData((const char *)&Size, 2); // WriteShort()
SendData(UTF16.data(), UTF16.size()); // WriteString()
}
}

20
src/StringUtils.cpp
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@ -441,10 +441,10 @@ static bool isLegalUTF8(const unsigned char * source, int length)
AString & UTF8ToRawBEUTF16(const char * a_UTF8, size_t a_UTF8Length, AString & a_UTF16)
AString UTF8ToRawBEUTF16(const char * a_UTF8, size_t a_UTF8Length)
{
a_UTF16.clear();
a_UTF16.reserve(a_UTF8Length * 3);
AString UTF16;
UTF16.reserve(a_UTF8Length * 3);
const unsigned char * source = (const unsigned char*)a_UTF8;
const unsigned char * sourceEnd = source + a_UTF8Length;
@ -458,12 +458,12 @@ AString & UTF8ToRawBEUTF16(const char * a_UTF8, size_t a_UTF8Length, AString & a
unsigned short extraBytesToRead = trailingBytesForUTF8[*source];
if (source + extraBytesToRead >= sourceEnd)
{
return a_UTF16;
return UTF16;
}
// Do this check whether lenient or strict
if (!isLegalUTF8(source, extraBytesToRead + 1))
{
return a_UTF16;
return UTF16;
}
// The cases all fall through. See "Note A" below.
@ -487,13 +487,13 @@ AString & UTF8ToRawBEUTF16(const char * a_UTF8, size_t a_UTF8Length, AString & a
ch = ' ';
}
unsigned short v = htons((unsigned short)ch);
a_UTF16.append((const char *)&v, 2);
UTF16.append((const char *)&v, 2);
}
else if (ch > UNI_MAX_UTF16)
{
// Invalid value, replace with a space
unsigned short v = htons(' ');
a_UTF16.append((const char *)&v, 2);
UTF16.append((const char *)&v, 2);
}
else
{
@ -501,11 +501,11 @@ AString & UTF8ToRawBEUTF16(const char * a_UTF8, size_t a_UTF8Length, AString & a
ch -= halfBase;
unsigned short v1 = htons((ch >> halfShift) + UNI_SUR_HIGH_START);
unsigned short v2 = htons((ch & halfMask) + UNI_SUR_LOW_START);
a_UTF16.append((const char *)&v1, 2);
a_UTF16.append((const char *)&v2, 2);
UTF16.append((const char *)&v1, 2);
UTF16.append((const char *)&v2, 2);
}
}
return a_UTF16;
return UTF16;
}
/*

4
src/StringUtils.h
View File

@ -66,8 +66,8 @@ extern void ReplaceString(AString & iHayStack, const AString & iNeedle, const AS
/// Converts a stream of BE shorts into UTF-8 string; returns a ref to a_UTF8
extern AString & RawBEToUTF8(const char * a_RawData, size_t a_NumShorts, AString & a_UTF8);
/// Converts a UTF-8 string into a UTF-16 BE string, packing that back into AString; return a ref to a_UTF16
extern AString & UTF8ToRawBEUTF16(const char * a_UTF8, size_t a_UTF8Length, AString & a_UTF16);
/// Converts a UTF-8 string into a UTF-16 BE string; returns a ref to a_UTF16
extern AString UTF8ToRawBEUTF16(const char * a_UTF8, size_t a_UTF8Length);
/// Creates a nicely formatted HEX dump of the given memory block. Max a_BytesPerLine is 120
extern AString & CreateHexDump(AString & a_Out, const void * a_Data, size_t a_Size, size_t a_BytesPerLine);