ADHOC/replicant-frameworks_native
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Rewrite battery history storage.

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We now write battery history directly into a buffer, instead of
creating objects.  This allows for more efficient storage; later
it can be even better because we can only write deltas.

The old code is still there temporarily for validation.

Change-Id: I9707d4d8ff30855be8ebdc93bc078911040d8e0b
This commit is contained in:
Dianne Hackborn 2011-04-13 18:15:56 -07:00
parent 4849bc5b3d
commit 97e2bcd760
1 changed files with 11 additions and 7 deletions
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6
libs/binder/Parcel.cpp
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@ -338,7 +338,7 @@ void Parcel::setDataPosition(size_t pos) const
status_t Parcel::setDataCapacity(size_t size)
{
if (size > mDataSize) return continueWrite(size);
if (size > mDataCapacity) return continueWrite(size);
return NO_ERROR;
}
@ -386,11 +386,13 @@ status_t Parcel::appendFrom(Parcel *parcel, size_t offset, size_t len)
}
int numObjects = lastIndex - firstIndex + 1;
if ((mDataSize+len) > mDataCapacity) {
// grow data
err = growData(len);
if (err != NO_ERROR) {
return err;
}
}
// append data
memcpy(mData + mDataPos, data + offset, len);
@ -1384,8 +1386,10 @@ status_t Parcel::continueWrite(size_t desired)
return NO_MEMORY;
}
} else {
if (mDataSize > desired) {
mDataSize = desired;
LOGV("continueWrite Setting data size of %p to %d\n", this, mDataSize);
}
if (mDataPos > desired) {
mDataPos = desired;
LOGV("continueWrite Setting data pos of %p to %d\n", this, mDataPos);