Re: [RFC Redux] strbuf: Add method to convert byte-size to human readable form

> Takes a strbuf as its first argument and appends the human-readable
> form of 'value', the second argument, to that buffer.
> 
> e.g. strbuf_append_human_readable(sb, 1012, 0, 0, HR_SPACE)
> produces "0.9 Ki".
> 
> Documented in strbuf.h; units can be directly appended to the strbuf
> to produce "0.9 KiB/s", "0.9 KiB".
> 
> Supports SI magnitude prefixes as well as padding and spacing of
> the units portion of the output.
> 
> Also, add in test cases to ensure it produces the expected output
> and to demonstrate what different arguments do.
> 
> Signed-off-by: Marcus Griep <marcus@griep.us>
> ---
> 
>  This is a redux of a prior patch as part of a series on count-objects
>  but is now split off and submitted on its own as an RFC for a library
>  function to be added to strbuf.  If accepted, I'd like to standardize
>  upon this method for user visible byte-sizes, thoroughput, large object
>  counts, etc.
> 
>  Provides similar functionality similar to the '-h' size output of du
>  in the default case.
> 
>  Based on master, but also applies cleanly to next.
> 
>  .gitignore                |    1 +
>  Makefile                  |    2 +-
>  strbuf.c                  |   92 +++++++++++++++++++++++++++++++++++++++++++++
>  strbuf.h                  |   30 +++++++++++++++
>  t/t0031-human-readable.sh |   49 ++++++++++++++++++++++++
>  test-human-read.c         |   23 +++++++++++
>  6 files changed, 196 insertions(+), 1 deletions(-)
>  create mode 100755 t/t0031-human-readable.sh
>  create mode 100644 test-human-read.c