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#define XERR "memoryaccess"
#include "memoryaccess.ih"
// truncate.cc updates d_maxSize and ensures that
// newSize <= d_nBlocks * d_blockSize
// if truncate's new size is less than d_writtenUntil then the bytes
// from the new size till d_writtenUntil are set to 0,
// by truncate.cc
void MemoryAccess::setZero(size_t from)
{
size_t toDo = d_writtenUntil - from; // #bytes to set to 0
while (toDo > 0)
{
load(from); // from is OK, set by truncate
size_t avail = min(d_writtenUntil, d_blockEnd) - from;
memset(ptr(from), 0, avail);
toDo -= avail;
from = d_blockEnd;
}
}
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