's3plugin::WriteFile': '4' bytes padding added after data member 's3plugin::WriteFile::part_tracker_'

Implicit conversion from 'int' to bool. Possible information loss

'getenv': This function or variable may be unsafe. Consider using _dupenv_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.

'initializing': conversion from 'int' to 'size_t', signed/unsigned mismatch

'argument': conversion from 'int' to 'size_t', signed/unsigned mismatch

'initializing': conversion from 'int' to 'size_t', signed/unsigned mismatch

'argument': conversion from 'int' to 'size_t', signed/unsigned mismatch

'+=': conversion from '__int64' to 'int', possible loss of data

'initializing': conversion from 'int' to 'size_t', signed/unsigned mismatch

'argument': conversion from 'int' to 'size_t', signed/unsigned mismatch

adding 'char' to a string does not append to the string [-Wstring-plus-int]