tools: add iterators to checkpatch

For the purpose of allowing the space in `frr_each (`, copy the list of
iterators from .clang-format and wire it up appropriately.

Signed-off-by: David Lamparter <equinox@opensourcerouting.org>

1 files changed, 21 insertions, 1 deletions

diff --git a/tools/checkpatch.pl b/tools/checkpatch.pl
index cf15d0079..984112de0 100755
--- a/tools/checkpatch.pl
+++ b/tools/checkpatch.pl
@@ -409,6 +409,25 @@ our $Operators	= qr{
 		  }x;
 
 our $c90_Keywords = qr{do|for|while|if|else|return|goto|continue|switch|default|case|break}x;
+our $Iterators	= qr{
+			frr_each|frr_each_safe|frr_each_from|
+			frr_with_mutex|frr_with_privs|
+			LIST_FOREACH|LIST_FOREACH_SAFE|
+			SLIST_FOREACH|SLIST_FOREACH_SAFE|SLIST_FOREACH_PREVPTR|
+			STAILQ_FOREACH|STAILQ_FOREACH_SAFE|
+			TAILQ_FOREACH|TAILQ_FOREACH_SAFE|TAILQ_FOREACH_REVERSE|TAILQ_FOREACH_REVERSE_SAFE|
+			RB_FOREACH|RB_FOREACH_SAFE|RB_FOREACH_REVERSE|RB_FOREACH_REVERSE_SAFE|
+			SPLAY_FOREACH|
+			FOR_ALL_INTERFACES|FOR_ALL_INTERFACES_ADDRESSES|JSON_FOREACH|
+			LY_FOR_KEYS|LY_LIST_FOR|LY_TREE_FOR|LY_TREE_DFS_BEGIN|LYD_TREE_DFS_BEGIN|
+			RE_DEST_FOREACH_ROUTE|RE_DEST_FOREACH_ROUTE_SAFE|
+			RNODE_FOREACH_RE|RNODE_FOREACH_RE_SAFE|
+			UPDGRP_FOREACH_SUBGRP|UPDGRP_FOREACH_SUBGRP_SAFE|
+			SUBGRP_FOREACH_PEER|SUBGRP_FOREACH_PEER_SAFE|
+			SUBGRP_FOREACH_ADJ|SUBGRP_FOREACH_ADJ_SAFE|
+			AF_FOREACH|FOREACH_AFI_SAFI|FOREACH_SAFI|
+			LSDB_LOOP
+		  }x;
 
 our $BasicType;
 our $NonptrType;
@@ -4028,7 +4047,8 @@ sub process {
 				if|for|while|switch|return|case|
 				volatile|__volatile__|
 				__attribute__|format|__extension__|
-				asm|__asm__)$/x)
+				asm|__asm__|
+				$Iterators)$/x)
 			{
 			# cpp #define statements have non-optional spaces, ie
 			# if there is a space between the name and the open