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-rw-r--r--db2/hash/hash_debug.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/db2/hash/hash_debug.c b/db2/hash/hash_debug.c
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+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1996, 1997
+ *	Sleepycat Software.  All rights reserved.
+ */
+/*
+ * Copyright (c) 1995
+ *	The President and Fellows of Harvard University.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Jeremy Rassen.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "config.h"
+
+#ifndef lint
+static const char sccsid[] = "@(#)hash_debug.c	10.2 (Sleepycat) 6/21/97";
+#endif /* not lint */
+
+#ifdef DEBUG
+/*
+ * PACKAGE:  hashing
+ *
+ * DESCRIPTION:
+ *	Debug routines.
+ *
+ * ROUTINES:
+ *
+ * External
+ *	__dump_bucket
+ */
+#ifndef NO_SYSTEM_INCLUDES
+#include <sys/types.h>
+
+#include <stdio.h>
+#include <string.h>
+#endif
+
+#include "db_int.h"
+#include "db_page.h"
+#include "hash.h"
+
+/*
+ * __ham_dump_bucket --
+ *
+ * PUBLIC: #ifdef DEBUG
+ * PUBLIC: void __ham_dump_bucket __P((HTAB *, u_int32_t));
+ * PUBLIC: #endif
+ */
+void
+__ham_dump_bucket(hashp, bucket)
+	HTAB *hashp;
+	u_int32_t bucket;
+{
+	PAGE *p;
+	db_pgno_t pgno;
+	int ret;
+
+	for (pgno = BUCKET_TO_PAGE(hashp, bucket); pgno != PGNO_INVALID;) {
+		if ((ret = memp_fget(hashp->dbp->mpf, &pgno, 0, &p)) != 0)
+			break;
+		(void)__db_prpage(p, 1);
+		pgno = p->next_pgno;
+		(void)memp_fput(hashp->dbp->mpf, p, 0);
+	}
+}
+#endif /* DEBUG */