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Diffstat (limited to 'src/backend/lib/hasht.c')
-rw-r--r-- | src/backend/lib/hasht.c | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/src/backend/lib/hasht.c b/src/backend/lib/hasht.c deleted file mode 100644 index 5825a39cc5e..00000000000 --- a/src/backend/lib/hasht.c +++ /dev/null @@ -1,58 +0,0 @@ -/*------------------------------------------------------------------------- - * - * hasht.c - * hash table related functions that are not directly supported - * by the hashing packages under utils/hash. - * - * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group - * Portions Copyright (c) 1994, Regents of the University of California - * - * - * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/lib/Attic/hasht.c,v 1.15 2001/01/24 19:42:55 momjian Exp $ - * - *------------------------------------------------------------------------- - */ -#include "postgres.h" - -#include "lib/hasht.h" -#include "utils/memutils.h" - -/* ----------------------------------- - * HashTableWalk - * - * call given function on every element in hashtable - * - * one extra argument (arg) may be supplied - * - * NOTE: it is allowed for the given function to delete the hashtable entry - * it is passed. However, deleting any other element while the scan is - * in progress is UNDEFINED (see hash_seq functions). Also, if elements are - * added to the table while the scan is in progress, it is unspecified - * whether they will be visited by the scan or not. - * ----------------------------------- - */ -void -HashTableWalk(HTAB *hashtable, HashtFunc function, Datum arg) -{ - HASH_SEQ_STATUS status; - long *hashent; - void *data; - int keysize; - - hash_seq_init(&status, hashtable); - keysize = hashtable->hctl->keysize; - - while ((hashent = hash_seq_search(&status)) != (long *) TRUE) - { - if (hashent == NULL) - elog(FATAL, "error in HashTableWalk"); - - /* - * XXX the corresponding hash table insertion does NOT LONGALIGN - * -- make sure the keysize is ok - */ - data = (void *) LONGALIGN((char *) hashent + keysize); - (*function) (data, arg); - } -} |