提交 08eb9b80 编写于 作者: J Joe Perches 提交者: Linus Torvalds

checkpatch: test multiple line block comment alignment

Warn when block comments are not aligned on the *

/*
 * block comment, no warning
 */

/*
  * block comment, emit warning
  */

Link: http://lkml.kernel.org/r/edb57bd330adfe024b95ec2a807d4aa7f0c8b112.1472261299.git.joe@perches.comSigned-off-by: NJoe Perches <joe@perches.com>
Reported-by: NSudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 f90774e1
......@@ -2979,6 +2979,25 @@ sub process {
"Block comments use a trailing */ on a separate line\n" . $herecurr);
}
# Block comment * alignment
if ($prevline =~ /$;[ \t]*$/ && #ends in comment
(($prevrawline =~ /^\+.*?\/\*/ && #starting /*
$prevrawline !~ /\*\/[ \t]*$/) || #no trailing */
$prevrawline =~ /^\+[ \t]*\*/) && #starting *
$rawline =~ /^\+[ \t]*\*/) { #rawline *
$prevrawline =~ m@^\+([ \t]*/?)\*@;
my $oldindent = expand_tabs($1);
$rawline =~ m@^\+([ \t]*)\*@;
my $newindent = $1;
my $test_comment = '^\\+' . "$;" x (length($newindent) + 1);
$newindent = expand_tabs($newindent);
if ($line =~ /$test_comment/ &&
length($oldindent) ne length($newindent)) {
WARN("BLOCK_COMMENT_STYLE",
"Block comments should align the * on each line\n" . $hereprev);
}
}
# check for missing blank lines after struct/union declarations
# with exceptions for various attributes and macros
if ($prevline =~ /^[\+ ]};?\s*$/ &&
......
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