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#define XERR "memorybuf"
#include "memorybuf.ih"
// called by overflow/underflow: resetting the other buffer when called
// after, resp. reading/writing
streamsize MemoryBuf::getOffset()
{
streamsize offset;
switch (d_last)
{
default: // to catch the uninitialize warning
offset = d_bridge.offset(); // no buffers currently in use
break;
case READ: // use the lastused read offset
offset = d_bridge.blockBegin() + (gptr() - eback());
setg(0, 0, 0);
break;
case WRITE: // use the lastused write offset
offset = d_bridge.blockBegin() + (pptr() - pbase());
setp(0, 0);
break;
}
d_bridge.offset(offset);
d_bridge.bufLimits(); // set the buffer limits around offset
return offset;
}
//xerr("IN: d_last: " << d_last << ", offset = " << offset);
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