84 …   return CanWrite(sizeof(uint8_t)) ? (*mWritePointer++ = aByte, mRemainingLength--, OT_ERROR_NONE)  in WriteByte()
99         mWritePointer -= aUndoLength;  in UndoLastWrites()
105         : mWritePointer(nullptr)  in FrameWritePointer()
110     uint8_t *mWritePointer;    ///< A pointer to current write position in the buffer.  member in ot::Spinel::FrameWritePointer
136         mWritePointer    = mBuffer;  in Clear()
146     bool IsEmpty(void) const { return (mWritePointer == mBuffer); }  in IsEmpty()
153     uint16_t GetLength(void) const { return static_cast<uint16_t>(mWritePointer - mBuffer); }  in GetLength()
194         mWritePointer    = mBuffer + kHeaderSize;  in Clear()
206     bool HasFrame(void) const { return (mWritePointer != GetFrame()); }  in HasFrame()
222             mWritePointer    = GetFrame() + aLength;  in SetLength()
223             mRemainingLength = static_cast<uint16_t>(mBuffer + kSize - mWritePointer);  in SetLength()
235     uint16_t GetLength(void) const { return static_cast<uint16_t>(mWritePointer - GetFrame()); }  in GetLength()
252             mWritePointer    = GetFrame();  in SetSkipLength()
253             mRemainingLength = static_cast<uint16_t>(mBuffer + kSize - mWritePointer);  in SetSkipLength()
306             mWriteFrameStart = mWritePointer;  in SaveFrame()
321         mWritePointer    = GetFrame();  in DiscardFrame()
322         mRemainingLength = static_cast<uint16_t>(mBuffer + kSize - mWritePointer);  in DiscardFrame()
384 …       memmove(mBuffer, mWriteFrameStart, static_cast<uint16_t>(mWritePointer - mWriteFrameStart));  in ClearSavedFrames()
385             mWritePointer -= len;  in ClearSavedFrames()