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Allow skipping data when reading file.

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This commit is contained in:
Bartosz Taudul 2018-04-20 14:27:20 +02:00
parent 4eb205ad18
commit cc65e52663
1 changed files with 28 additions and 0 deletions
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28
server/TracyFileRead.hpp
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@ -38,6 +38,34 @@ public:
}
}
void Skip( size_t size )
{
if( size <= BufSize - m_offset )
{
m_offset += size;
}
else
{
char m_lz4buf[LZ4Size];
while( size > 0 )
{
if( m_offset == BufSize )
{
m_active = 1 - m_active;
m_offset = 0;
uint32_t sz;
fread( &sz, 1, sizeof( sz ), m_file );
fread( m_lz4buf, 1, sz, m_file );
m_lastBlock = LZ4_decompress_safe_continue( m_stream, m_lz4buf, m_buf[m_active], sz, BufSize );
}
const auto sz = std::min( size, BufSize - m_offset );
m_offset += sz;
size -= sz;
}
}
}
bool IsEOF()
{
if( m_lastBlock != BufSize && m_offset == m_lastBlock ) return true;