On Mon, 2016-08-29 at 11:01 -0700, Joe Perches wrote:
> On Mon, 2016-08-29 at 17:46 +0000, Luck, Tony wrote:
> > [checkpatch] offered the advice
> > to restructure the code with helper functions etc. to avoid deep
> > indentation?
> It suggests that already for 6+ leading tabs,
And here's an inexact little histogram of the code that
expands indent levels in the -next kernel source tree.
$ grep -rP --include=*.[ch] -oh
"^[\t]+(do|while|for|if|else|return|goto|continue|switch|default|case|break)\b"
* | \
sed -r 's/^(\t+).*$/\1/' | awk '{print length($0)}' | sort -n | uniq -c
1217165 1
783085 2
249655 3
59775 4
11653 5
1993 6
444 7
158 8
50 9
19 10
10 11
4 12
1 13
Some of that code, as Linus once put it, is eye-gouging.
Luckily, almost all of the 7+ tab indent code is prehistoric.
