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checkpatch: suspect indent -- skip over preprocessor, label and blank lines

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We should skip over and check the lines which follow preprocessor
statements, labels, and blank lines.  These all have legitimate reasons to
be indented differently.

Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andy Whitcroft 2008-10-15 22:02:22 -07:00 committed by Linus Torvalds
parent 4d001e4d88
commit 9bd49efe4e
1 changed files with 15 additions and 10 deletions
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25
scripts/checkpatch.pl
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@ -1434,7 +1434,7 @@ sub process {
if ($s =~ s/^\s*\\//) {
$continuation = 1;
}
if ($s =~ s/^\s*\n//) {
if ($s =~ s/^\s*?\n//) {
$check = 1;
$cond_lines++;
}
@ -1446,15 +1446,20 @@ sub process {
$check = 0;
}
# Ignore the current line if its is a preprocessor
# line.
if ($s =~ /^\s*#\s*/) {
$check = 0;
}
my $cond_ptr = -1;
while ($cond_ptr != $cond_lines) {
$cond_ptr = $cond_lines;
# Ignore the current line if it is label.
if ($s =~ /^\s*$Ident\s*:/) {
$check = 0;
# Ignore:
# 1) blank lines, they should be at 0,
# 2) preprocessor lines, and
# 3) labels.
if ($s =~ /^\s*?\n/ ||
$s =~ /^\s*#\s*?/ ||
$s =~ /^\s*$Ident\s*:/) {
$s =~ s/^.*?\n//;
$cond_lines++;
}
}
my (undef, $sindent) = line_stats("+" . $s);
@ -1470,7 +1475,7 @@ sub process {
$stat_real = "[...]\n$stat_real";
}
##print "line<$line> prevline<$prevline> indent<$indent> sindent<$sindent> check<$check> continuation<$continuation> s<$s> cond_lines<$cond_lines> stat_real<$stat_real> stat<$stat>\n";
#print "line<$line> prevline<$prevline> indent<$indent> sindent<$sindent> check<$check> continuation<$continuation> s<$s> cond_lines<$cond_lines> stat_real<$stat_real> stat<$stat>\n";
if ($check && (($sindent % 8) != 0 ||
($sindent <= $indent && $s ne ''))) {