Do not resize user provide buffer when the buffer is reading.  When writing only resize it when it is smaller then kExtraSpace (i.e. 8 bytes)
Do not resize user provide buffer when the buffer is reading.  When writing only resize it when it is smaller then kExtraSpace (i.e. 8 bytes)


git-svn-id: acec3fd5b7ea1eb9e79d6329d318e8118ee2e14f@27750 27541ba8-7e3a-0410-8455-c3a389f83636

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