Coverity fixes from Nelson

* merges:
  Coverity: FORWARD NULL: CID 54, 53, 52
  Coverity: Forward NULL: CID 59, 58, 56
  Coverity: CHAR_IO: CID 5,6,7,9
  Coverity: UNINIT: CID 393
  Coverity: UNINIT: CID 397
  Coverity: UNINIT: CID 398
  Coverity: UNINIT: CID 399
  Coverity: Uninit: CID 400
  Coverity: UNINIT: CID 401
  Fix build
  Fix build
  Coverity: UNINIT: CID 402
  Coverity: UNINIT: CID  403
  Coverity: UNINIT: CID 405, 404
  Coverity: UNUSED: CID 427
  Coverity: Forward NULL: CID 439
  Coverity: UNINIT: CID 599
  Coverity: UNINIT: CID 600
  Coverity: UNINIT: CID 601