[FFmpeg-devel] [PATCH v2 1/2] avformat/url: check double dot is not to parent directory

[Nicolas George]

刘歧 (12020-07-25):
>     I think the best would be to use strtok(p, "/") to split the path into the
>     components and for each ".." component remove the previous one (if there
>     are some still).
> I think you can submit patch if you have full idea for it.

strtok() is a terrible API, and better not used, but you are right, the
logic of the parsing is flawed.

I would suggest to keep walk from / to / (using strchr() probably), and
keep a pointer on the last two in the source and the last one in the
target IIRC.

Regards,

-- 
  Nicolas George
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