diff options
Diffstat (limited to 'src/backend/nodes/list.c')
| -rw-r--r-- | src/backend/nodes/list.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/backend/nodes/list.c b/src/backend/nodes/list.c index 207acea947..7467e1a00e 100644 --- a/src/backend/nodes/list.c +++ b/src/backend/nodes/list.c @@ -9,7 +9,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/nodes/list.c,v 1.49 2003/05/28 22:32:49 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/nodes/list.c,v 1.50 2003/06/15 22:51:45 tgl Exp $ * * NOTES * XXX a few of the following functions are duplicated to handle @@ -359,6 +359,21 @@ llast(List *l) } /* + * llastnode + * + * Get the last node of l ... NIL if empty list + */ +List * +llastnode(List *l) +{ + if (l == NIL) + return NIL; + while (lnext(l) != NIL) + l = lnext(l); + return l; +} + +/* * freeList * * Free the List nodes of a list |