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Network Code Fixes

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This should be backwards compatible with existing network code, however it fixes a bug.
This commit is contained in:
Calvin Balke 2018-07-15 11:50:09 -07:00 committed by GitHub
parent 6e60bf5fec
commit 24071f06e2
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 10 additions and 4 deletions
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14
Engine/source/core/stream/bitStream.cpp
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@ -140,7 +140,7 @@ class HuffmanProcessor
static HuffmanProcessor g_huffProcessor;
bool readHuffBuffer(BitStream* pStream, char* out_pBuffer);
bool readHuffBuffer(BitStream* pStream, char* out_pBuffer, S32 maxLen);
bool writeHuffBuffer(BitStream* pStream, const char* out_pBuffer, S32 maxLen);
};
@ -667,12 +667,12 @@ void BitStream::readString(char buf[256])
if(readFlag())
{
S32 offset = readInt(8);
HuffmanProcessor::g_huffProcessor.readHuffBuffer(this, stringBuffer + offset);
HuffmanProcessor::g_huffProcessor.readHuffBuffer(this, stringBuffer + offset, 256 - offset);
dStrcpy(buf, stringBuffer, 256);
return;
}
}
HuffmanProcessor::g_huffProcessor.readHuffBuffer(this, buf);
HuffmanProcessor::g_huffProcessor.readHuffBuffer(this, buf, 256);
if(stringBuffer)
dStrcpy(stringBuffer, buf, 256);
}
@ -812,13 +812,16 @@ S16 HuffmanProcessor::determineIndex(HuffWrap& rWrap)
}
}
bool HuffmanProcessor::readHuffBuffer(BitStream* pStream, char* out_pBuffer)
bool HuffmanProcessor::readHuffBuffer(BitStream* pStream, char* out_pBuffer, S32 maxLen=256)
{
if (m_tablesBuilt == false)
buildTables();
if (pStream->readFlag()) {
S32 len = pStream->readInt(8);
if (len >= maxLen) {
len = maxLen;
}
for (S32 i = 0; i < len; i++) {
S32 index = 0;
while (true) {
@ -839,6 +842,9 @@ bool HuffmanProcessor::readHuffBuffer(BitStream* pStream, char* out_pBuffer)
} else {
// Uncompressed string...
U32 len = pStream->readInt(8);
if (len >= maxLen) {
len = maxLen;
}
pStream->read(len, out_pBuffer);
out_pBuffer[len] = '\0';
return true;