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SubjectRe: [PATCH 5/7] lib: rework bitmap_parse()
On Tue, Apr 30, 2019 at 06:06:34PM -0700, Yury Norov wrote:
> bitmap_parse() is ineffective and full of opaque variables and opencoded
> parts. It leads to hard understanding and usage of it. This rework
> includes:
> - remove bitmap_shift_left() call from the cycle. Now it makes the
> complexity of the algorithm as O(nbits^2). In the suggested approach
> the input string is parsed in reverse direction, so no shifts needed;
> - relax requirement on a single comma and no white spaces between chunks.
> It is considered useful in scripting, and it aligns with
> bitmap_parselist();
> - split bitmap_parse() to small readable helpers;
> - make an explicit calculation of the end of input line at the
> beginning, so users of the bitmap_parse() won't bother doing this.

> +static inline bool in_str(const char *start, const char *ptr)
> +{
> + return start <= ptr;
> +}
> +

The explicit use of the conditional is better.

--
With Best Regards,
Andy Shevchenko


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