diff options
Diffstat (limited to 'src/backend/nodes/list.c')
| -rw-r--r-- | src/backend/nodes/list.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/src/backend/nodes/list.c b/src/backend/nodes/list.c index 45f42dc5024..e94b357d24b 100644 --- a/src/backend/nodes/list.c +++ b/src/backend/nodes/list.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/nodes/list.c,v 1.32 2000/06/09 01:44:12 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/nodes/list.c,v 1.33 2000/09/12 21:06:49 tgl Exp $ * * NOTES * XXX a few of the following functions are duplicated to handle @@ -351,6 +351,25 @@ member(void *l1, List *l2) return false; } +/* + * like member(), but use when pointer-equality comparison is sufficient + */ +bool +ptrMember(void *l1, List *l2) +{ + List *i; + + foreach(i, l2) + { + if (l1 == ((void *) lfirst(i))) + return true; + } + return false; +} + +/* + * membership test for integer lists + */ bool intMember(int l1, List *l2) { |