Factor utility functions #2279

Job	Run time
macOS [UBSAN] [lmdb \| clang]	39m 36s
macOS [ASAN] [lmdb \| clang]	32m 16s
Linux [UBSAN] [lmdb \| clang]	40m 9s
macOS [TSAN] [lmdb \| clang]	32m 28s
Linux [ASAN] [lmdb \| clang]	40m 28s
macOS [UBSAN] [rocksdb \| clang]	46m 16s
Linux [ASAN_INT] [lmdb \| clang] (Errors Ignored)	45m 22s
macOS [ASAN] [rocksdb \| clang]	44m 50s
Linux [TSAN] [lmdb \| clang]	44m 40s
Linux [LEAK] [lmdb \| clang] (Errors Ignored)	43m 51s
macOS [TSAN] [rocksdb \| clang]	1h 5m 47s
Linux [UBSAN] [rocksdb \| clang]	51m 59s
Linux [ASAN] [rocksdb \| clang]	58m 57s
Linux [ASAN_INT] [rocksdb \| clang] (Errors Ignored)	57m 52s
Linux [LEAK] [rocksdb \| clang] (Errors Ignored)	1h 0m 12s
	11h 44m 43s

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