Error EventBuffer::AcceptEvent(Event *pPMOEvent)
{
BufferEvent *pEvent;
assert(this);
assert(m_pQueue);
assert(pPMOEvent);
pEvent = new BufferEvent;
pEvent->iIndex = GetWriteIndex();
pEvent->pEvent = pPMOEvent;
m_pQueue->Write(pEvent);
return kError_NoErr;
}
inline bool EnsureWritableBytes(size_t minWritableBytes,
bool growzero = false)
{
if (WriteableBytes() >= minWritableBytes)
{
return true;
} else
{
size_t newCapacity = Capacity();
if (0 == newCapacity)
{
newCapacity = DEFAULT_BUFFER_SIZE;
}
size_t minNewCapacity = GetWriteIndex()
+ minWritableBytes;
while (newCapacity < minNewCapacity)
{
newCapacity <<= 1;
}
char* tmp = NULL;
//tmp = (char*) realloc(m_buffer, newCapacity);
tmp = (char*) malloc(newCapacity);
if (NULL != tmp)
{
if (growzero)
{
memset(tmp, 0, newCapacity);
}
if (NULL != m_buffer)
{
memcpy(tmp, m_buffer, Capacity());
}
if (NULL != m_buffer)
{
free(m_buffer);
}
m_buffer = tmp;
m_buffer_len = newCapacity;
return true;
}
return false;
}
}
