checkpatch: Add exception to BRACKED_SPACE rule for macros

When brackets are used in macros, there may sometimes be a space in front of them. The checkpatch script should allow this. The change includes the example that triggered the need for this change. Signed-off-by: Rubin Gerritsen <[email protected]>
zephyrproject-rtos · Jun 14, 2024 · f78c51d · f78c51d
1 parent 301d24f
commit f78c51d
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
@@ -4419,11 +4419,13 @@ sub process {
 #  1. with a type on the left -- int [] a;
 #  2. at the beginning of a line for slice initialisers -- [0...10] = 5,
 #  3. inside a curly brace -- = { [0...10] = 5 }
+#  4. inside macro arguments, example: #define HCI_ERR(err) [err] = #err
 		while ($line =~ /(.*?\s)\[/g) {
 			my ($where, $prefix) = ($-[1], $1);
 			if ($prefix !~ /$Type\s+$/ &&
 			    ($where != 0 || $prefix !~ /^.\s+$/) &&
 			    $prefix !~ /[{,:]\s+$/ &&
+			    $prefix !~ /\#define\s+.+\s+$/ &&
 			    $prefix !~ /:\s+$/) {
 				if (ERROR("BRACKET_SPACE",
 					  "space prohibited before open square bracket '['\n" . $herecurr) &&