On Sun, Aug 14, 2022 at 02:33:40AM +0200, Wolfram Sang wrote: > > > (b) auto-convert (with a coccinelle script) all the 'strlcpy()' users > > that don't care about the return value, and leave a few broken users > > of strlcpy around > > > > I think (b) is the simpler thing, but I have no idea how to write a > > coccinelle patch that basically does "if return value of strlcpy is > > not used, convert the strlcpy to a strscpy". > > That shouldn't be hard. I'll give it a try tomorrow. So, I tried right away and it was really as easy as expected: === @@ @@ - strlcpy + strscpy (...); === The ';' at the end ensures that spatch only looks for complete statements not containing anything more than expressed. I pushed out a branch for the testbots now: git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git renesas/strlcpy Patch granularity might not be perfect currently, but for testing this should do. All the best, Wolfram
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