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authorUlrich Drepper <drepper@redhat.com>2000-01-02 06:01:06 +0000
committerUlrich Drepper <drepper@redhat.com>2000-01-02 06:01:06 +0000
commit8d6f1731fcd082e4f744ba9cb4bde4be7c08f1b3 (patch)
tree099a250d7366aef2ab028fdb24f0d692cd784b4a /db2/include/db_shash.h
parent9a6450d578556c11e7c173d2f28362345b8f1258 (diff)
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Update.
	* Makeconfig (all-subdirs): Remove db and db2.
	* db/*: Removed.
	* db2/*: Removed.
Diffstat (limited to 'db2/include/db_shash.h')
-rw-r--r--db2/include/db_shash.h106
1 files changed, 0 insertions, 106 deletions
diff --git a/db2/include/db_shash.h b/db2/include/db_shash.h
deleted file mode 100644
index 35ade395fc..0000000000
--- a/db2/include/db_shash.h
+++ /dev/null
@@ -1,106 +0,0 @@
-/*-
- * See the file LICENSE for redistribution information.
- *
- * Copyright (c) 1996, 1997, 1998
- *	Sleepycat Software.  All rights reserved.
- *
- *	@(#)db_shash.h	10.3 (Sleepycat) 4/10/98
- */
-
-/* Hash Headers */
-typedef	SH_TAILQ_HEAD(hash_head) DB_HASHTAB;
-
-/*
- * HASHLOOKUP --
- *
- * Look up something in a shared memory hash table.  The "elt" argument
- * should be a key, and cmp_func must know how to compare a key to whatever
- * structure it is that appears in the hash table.  The comparison function
- * cmp_func is called as: cmp_func(lookup_elt, table_elt);
- * begin: address of the beginning of the hash table.
- * type: the structure type of the elements that are linked in each bucket.
- * field: the name of the field by which the "type" structures are linked.
- * elt: the item for which we are searching in the hash table.
- * result: the variable into which we'll store the element if we find it.
- * nelems: the number of buckets in the hash table.
- * hash_func: the hash function that operates on elements of the type of elt
- * cmp_func: compare elements of the type of elt with those in the table (of
- *	type "type").
- *
- * If the element is not in the hash table, this macro exits with result
- * set to NULL.
- */
-#define	HASHLOOKUP(begin, type, field, elt, r, n, hash, cmp) do {	\
-	DB_HASHTAB *__bucket;						\
-	u_int32_t __ndx;						\
-									\
-	__ndx = hash(elt) % (n);					\
-	__bucket = &begin[__ndx];					\
-	for (r = SH_TAILQ_FIRST(__bucket, type);			\
-	    r != NULL; r = SH_TAILQ_NEXT(r, field, type))		\
-		if (cmp(elt, r))					\
-			break;						\
-} while(0)
-
-/*
- * HASHINSERT --
- *
- * Insert a new entry into the hash table.  This assumes that lookup has
- * failed; don't call it if you haven't already called HASHLOOKUP.
- * begin: the beginning address of the hash table.
- * type: the structure type of the elements that are linked in each bucket.
- * field: the name of the field by which the "type" structures are linked.
- * elt: the item to be inserted.
- * nelems: the number of buckets in the hash table.
- * hash_func: the hash function that operates on elements of the type of elt
- */
-#define	HASHINSERT(begin, type, field, elt, n, hash) do {		\
-	u_int32_t __ndx;						\
-	DB_HASHTAB *__bucket;						\
-									\
-	__ndx = hash(elt) % (n);					\
-	__bucket = &begin[__ndx];					\
-	SH_TAILQ_INSERT_HEAD(__bucket, elt, field, type);		\
-} while(0)
-
-/*
- * HASHREMOVE --
- *	Remove the entry with a key == elt.
- * begin: address of the beginning of the hash table.
- * type: the structure type of the elements that are linked in each bucket.
- * field: the name of the field by which the "type" structures are linked.
- * elt: the item to be deleted.
- * nelems: the number of buckets in the hash table.
- * hash_func: the hash function that operates on elements of the type of elt
- * cmp_func: compare elements of the type of elt with those in the table (of
- *	type "type").
- */
-#define	HASHREMOVE(begin, type, field, elt, n, hash, cmp) {		\
-	u_int32_t __ndx;						\
-	DB_HASHTAB *__bucket;						\
-	SH_TAILQ_ENTRY *__entp;						\
-									\
-	__ndx = hash(elt) % (n);					\
-	__bucket = &begin[__ndx];					\
-	HASHLOOKUP(begin, type, field, elt, __entp, n, hash, cmp);	\
-	SH_TAILQ_REMOVE(__bucket, __entp, field, type);			\
-}
-
-/*
- * HASHREMOVE_EL --
- *	Given the object "obj" in the table, remove it.
- * begin: address of the beginning of the hash table.
- * type: the structure type of the elements that are linked in each bucket.
- * field: the name of the field by which the "type" structures are linked.
- * obj: the object in the table that we with to delete.
- * nelems: the number of buckets in the hash table.
- * hash_func: the hash function that operates on elements of the type of elt
- */
-#define	HASHREMOVE_EL(begin, type, field, obj, n, hash) {		\
-	u_int32_t __ndx;						\
-	DB_HASHTAB *__bucket;						\
-									\
-	__ndx = hash(obj) % (n);					\
-	__bucket = &begin[__ndx];					\
-	SH_TAILQ_REMOVE(__bucket, obj, field, type);			\
-}