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Diffstat (limited to 'src/util/db2/hash/hash_debug.c')
| -rw-r--r-- | src/util/db2/hash/hash_debug.c | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/util/db2/hash/hash_debug.c b/src/util/db2/hash/hash_debug.c new file mode 100644 index 0000000000..ed99c69320 --- /dev/null +++ b/src/util/db2/hash/hash_debug.c @@ -0,0 +1,106 @@ +/*- + * Copyright (c) 1995 + * The President and Fellows of Harvard University + * + * This code is derived from software contributed to Harvard 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. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "@(#)hash_debug.c 8.4 (Berkeley) 11/7/95"; +#endif /* LIBC_SCCS and not lint */ + +#ifdef DEBUG +/* + * PACKAGE: hashing + * + * DESCRIPTION: + * Debug routines. + * + * ROUTINES: + * + * External + * __dump_bucket + */ +#include <stdio.h> + +#include "db-int.h" +#include "hash.h" +#include "page.h" +#include "extern.h" +#include "compat.h" + +void +__dump_bucket(hashp, bucket) + HTAB *hashp; + u_int32_t bucket; +{ + CURSOR cursor; + DBT key, val; + ITEM_INFO item_info; + int var; + char *cp; + + cursor.pagep = NULL; + item_info.seek_size = 0; + item_info.seek_found_page = 0; + + __get_item_reset(hashp, &cursor); + + cursor.bucket = bucket; + for (;;) { + __get_item_next(hashp, &cursor, &key, &val, &item_info); + if (item_info.status == ITEM_ERROR) { + (void)printf("get_item_next returned error\n"); + break; + } else if (item_info.status == ITEM_NO_MORE) + break; + + if (item_info.key_off == BIGPAIR) { + if (__big_keydata(hashp, cursor.pagep, &key, &val, + item_info.pgndx)) { + (void)printf("__big_keydata returned error\n"); + break; + } + } + + if (key.size == sizeof(int)) { + memcpy(&var, key.data, sizeof(int)); + (void)printf("%d\n", var); + } else { + for (cp = (char *)key.data; key.size--; cp++) + (void)printf("%c", *cp); + (void)printf("\n"); + } + } + __get_item_done(hashp, &cursor); +} +#endif /* DEBUG */ |