diff options
Diffstat (limited to 'db2/hash/hash_debug.c')
| -rw-r--r-- | db2/hash/hash_debug.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/db2/hash/hash_debug.c b/db2/hash/hash_debug.c new file mode 100644 index 0000000..979ddd7 --- /dev/null +++ b/db2/hash/hash_debug.c @@ -0,0 +1,96 @@ +/*- + * 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 */ |