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#include "CBuffer.h"
CBufferBase& CBufferBase::assign(const void* sztmp, size_t ms)
{
if (ms*membersize > len)
{
delete [] buffer;
buffer = new unsigned char[len = ms*membersize];
}
memcpy(buffer, sztmp, len);
return *this;
}
CBufferBase::CBufferBase(size_t ms, size_t n) : len(n*ms), membersize(ms)
{
buffer = new unsigned char[len];
memset(buffer, 0, len);
}
void* CBufferBase::operator[](int i)
{
if ((i+1)*membersize > len)
{
unsigned char* oldbuffer = buffer;
buffer = new unsigned char[(i+1)*membersize];
memcpy(buffer, oldbuffer, len);
memset(buffer+len, 0, (i+1)*membersize-len);
len = (i+1)*membersize;
delete [] oldbuffer;
}
return buffer+i*membersize;
}
size_t CBufferBase::bstrlen(unsigned char* _buffer)
{
if (_buffer == NULL) _buffer = buffer;
unsigned char* zero = new unsigned char[membersize];
memset(zero,0,membersize);
unsigned char* element = _buffer;
while (memcmp(element, zero, membersize) != 0)
{
element += membersize;
}
delete [] zero;
return (element - _buffer)/membersize;
}
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