checkpatch: add an error test for no space before comma

Using code like:

    int foo , bar;

is not preferred to:

    int foo, bar;

so emit an error on this style.

Signed-off-by: Joe Perches <joe@perches.com>
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 2014-12-10 15:51:32 -08:00 committed by Linus Torvalds
parent 69c953c85c
commit 2381097b6c
1 changed files with 21 additions and 2 deletions

View File

@ -3563,14 +3563,33 @@ sub process {
}
}
# , must have a space on the right.
# , must not have a space before and must have a space on the right.
} elsif ($op eq ',') {
my $rtrim_before = 0;
my $space_after = 0;
if ($ctx =~ /Wx./) {
if (ERROR("SPACING",
"space prohibited before that '$op' $at\n" . $hereptr)) {
$line_fixed = 1;
$rtrim_before = 1;
}
}
if ($ctx !~ /.x[WEC]/ && $cc !~ /^}/) {
if (ERROR("SPACING",
"space required after that '$op' $at\n" . $hereptr)) {
$good = $fix_elements[$n] . trim($fix_elements[$n + 1]) . " ";
$line_fixed = 1;
$last_after = $n;
$space_after = 1;
}
}
if ($rtrim_before || $space_after) {
if ($rtrim_before) {
$good = rtrim($fix_elements[$n]) . trim($fix_elements[$n + 1]);
} else {
$good = $fix_elements[$n] . trim($fix_elements[$n + 1]);
}
if ($space_after) {
$good .= " ";
}
}