Github user wengyanqing commented on a diff in the pull request: https://github.com/apache/incubator-hawq/pull/1274#discussion_r131581898 --- Diff: depends/libhdfs3/src/client/CryptoCodec.cpp --- @@ -119,33 +119,38 @@ namespace Hdfs { return -1; } - //calculate new IV when appending a existed file + // Calculate iv and counter in order to init cipher context with cipher method. Default value is 0. + resetStreamOffset(crypto_method, stream_offset); + + LOG(DEBUG3, "CryptoCodec init success, length of the decrypted key is : %llu, crypto method is : %d", AlgorithmBlockSize, crypto_method); + is_init = true; + return 1; + + } + + int CryptoCodec::resetStreamOffset(CryptoMethod crypto_method, int64_t stream_offset) { --- End diff -- The function prototype defines that it could return 1, 0, -1, but there is no value 0 return.
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