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checkpatch: extend CamelCase types and ignore existing CamelCase uses in a patch

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Extend the CamelCase words found to include structure members.

In https://lkml.org/lkml/2013/9/3/318 Sarah Sharp (mostly) wrote:

"In general, if checkpatch.pl complains about a variable a patch
introduces that's CamelCase, you should pay attention to it.  Otherwise,
[] ignore it."

So, if checking a patch, scan the original patched file if it's available
and add any preexisting CamelCase types so reuses do not generate
CamelCase messages.

That also means Andrew's not so cruelly spurned anymore.
https://lkml.org/lkml/2013/2/22/426

Signed-off-by: Joe Perches <joe@perches.com>
Suggested-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches 2013-11-12 15:10:06 -08:00 committed by Linus Torvalds
parent 847316231c
commit d8b077101b
1 changed files with 10 additions and 2 deletions
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12
scripts/checkpatch.pl
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@ -443,7 +443,7 @@ sub seed_camelcase_file {
if ($line =~ /^[ \t]*(?:#[ \t]*define|typedef\s+$Type)\s+(\w*(?:[A-Z][a-z]|[a-z][A-Z])\w*)/) {
$camelcase{$1} = 1;
}
elsif ($line =~ /^\s*$Declare\s+(\w*(?:[A-Z][a-z]|[a-z][A-Z])\w*)\s*\(/) {
elsif ($line =~ /^\s*$Declare\s+(\w*(?:[A-Z][a-z]|[a-z][A-Z])\w*)\s*[\(\[,;]/) {
$camelcase{$1} = 1;
}
}
@ -1612,6 +1612,8 @@ sub process {
my @setup_docs = ();
my $setup_docs = 0;
my $camelcase_file_seeded = 0;
sanitise_line_reset();
my $line;
foreach my $rawline (@rawlines) {
@ -3394,7 +3396,13 @@ sub process {
while ($var =~ m{($Ident)}g) {
my $word = $1;
next if ($word !~ /[A-Z][a-z]|[a-z][A-Z]/);
seed_camelcase_includes() if ($check);
if ($check) {
seed_camelcase_includes();
if (!$file && !$camelcase_file_seeded) {
seed_camelcase_file($realfile);
$camelcase_file_seeded = 1;
}
}
if (!defined $camelcase{$word}) {
$camelcase{$word} = 1;
CHK("CAMELCASE",