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#define XERR "memorybuf"
#include "memorybuf.ih"
// by memorystream/memorystream3.cc
MemoryBuf::MemoryBuf(int id, bool erase, std::ios::openmode openMode)
:
d_mode(openMode),
d_bridge(id, erase)
{
if
(
openMode & ios::trunc // rm the bytes from the memory's
|| // segments, and resize to the
(openMode & ios::out and not (openMode & ios::in)) // original size
)
{
size_t size = d_bridge.writtenUntil();
d_bridge.truncate(0);
d_bridge.truncate(size);
}
noBuffers();
}
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