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Modify the space calculations slightly.

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Jonathan Naylor 2016-07-07 09:31:41 +01:00 committed by GitHub
parent da67a253e6
commit 0f9150c64b
1 changed files with 8 additions and 4 deletions
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12
RingBuffer.h
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@ -109,13 +109,17 @@ public:
unsigned int freeSpace() const
{
if (m_oPtr == m_iPtr)
return m_length;
unsigned int len = m_length;
if (m_oPtr > m_iPtr)
return m_oPtr - m_iPtr;
len = m_oPtr - m_iPtr;
else if (m_iPtr > m_oPtr)
len = m_length - (m_iPtr - m_oPtr);
return (m_length + m_oPtr) - m_iPtr;
if (len > m_length)
len = 0U;
return len;
}
unsigned int dataSize() const