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Date: Fri, 23 Dec 2022 01:21:42 +0100 (CET)
From: Jan Engelhardt <>
cc: Alejandro Colomar <>, 
    Michael Kerrisk <>,,
Subject: Re: [patch] proc.5: tell how to parse /proc/*/stat

On Thursday 2022-12-22 23:03, Dominique Martinet wrote:
>> +
>> +Note that \fIcomm\fP can contain space and closing parenthesis characters. 
>> +Parsing /proc/${pid}/stat with split() or equivalent, or scanf(3) isn't
>> +reliable. The correct way is to locate closing parenthesis with strrchr(')')
>> +from the end of the buffer and parse integers from there.
>That's still not enough unless new lines are escaped, which they aren't:

strrchr does not concern itself with "lines".
If your input buffer contains the complete content of /proc/X/stat (and not
just a "line" thereof), the strrchr approach appears quite workable.

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