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-rw-r--r--1.2-netsec/db1-ast/recno/rec_get.c311
1 files changed, 0 insertions, 311 deletions
diff --git a/1.2-netsec/db1-ast/recno/rec_get.c b/1.2-netsec/db1-ast/recno/rec_get.c
deleted file mode 100644
index 47dd773fb..000000000
--- a/1.2-netsec/db1-ast/recno/rec_get.c
+++ /dev/null
@@ -1,311 +0,0 @@
-/*-
- * Copyright (c) 1990, 1993, 1994
- * The Regents of the University of California. All rights reserved.
- *
- * 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[] = "@(#)rec_get.c 8.9 (Berkeley) 8/18/94";
-#endif /* LIBC_SCCS and not lint */
-
-#include <sys/types.h>
-
-#include <errno.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include <db.h>
-#include "recno.h"
-
-/*
- * __REC_GET -- Get a record from the btree.
- *
- * Parameters:
- * dbp: pointer to access method
- * key: key to find
- * data: data to return
- * flag: currently unused
- *
- * Returns:
- * RET_ERROR, RET_SUCCESS and RET_SPECIAL if the key not found.
- */
-int
-__rec_get(dbp, key, data, flags)
- const DB *dbp;
- const DBT *key;
- DBT *data;
- u_int flags;
-{
- BTREE *t;
- EPG *e;
- recno_t nrec;
- int status;
-
- t = dbp->internal;
-
- /* Toss any page pinned across calls. */
- if (t->bt_pinned != NULL) {
- mpool_put(t->bt_mp, t->bt_pinned, 0);
- t->bt_pinned = NULL;
- }
-
- /* Get currently doesn't take any flags, and keys of 0 are illegal. */
- if (flags || (nrec = *(recno_t *)key->data) == 0) {
- errno = EINVAL;
- return (RET_ERROR);
- }
-
- /*
- * If we haven't seen this record yet, try to find it in the
- * original file.
- */
- if (nrec > t->bt_nrecs) {
- if (F_ISSET(t, R_EOF | R_INMEM))
- return (RET_SPECIAL);
- if ((status = t->bt_irec(t, nrec)) != RET_SUCCESS)
- return (status);
- }
-
- --nrec;
- if ((e = __rec_search(t, nrec, SEARCH)) == NULL)
- return (RET_ERROR);
-
- status = __rec_ret(t, e, 0, NULL, data);
- if (F_ISSET(t, B_DB_LOCK))
- mpool_put(t->bt_mp, e->page, 0);
- else
- t->bt_pinned = e->page;
- return (status);
-}
-
-/*
- * __REC_FPIPE -- Get fixed length records from a pipe.
- *
- * Parameters:
- * t: tree
- * cnt: records to read
- *
- * Returns:
- * RET_ERROR, RET_SUCCESS
- */
-int
-__rec_fpipe(t, top)
- BTREE *t;
- recno_t top;
-{
- DBT data;
- recno_t nrec;
- size_t len;
- int ch;
- u_char *p;
-
- if (t->bt_rdata.size < t->bt_reclen) {
- t->bt_rdata.data = t->bt_rdata.data == NULL ?
- malloc(t->bt_reclen) :
- realloc(t->bt_rdata.data, t->bt_reclen);
- if (t->bt_rdata.data == NULL)
- return (RET_ERROR);
- t->bt_rdata.size = t->bt_reclen;
- }
- data.data = t->bt_rdata.data;
- data.size = t->bt_reclen;
-
- for (nrec = t->bt_nrecs; nrec < top;) {
- len = t->bt_reclen;
- for (p = t->bt_rdata.data;; *p++ = ch)
- if ((ch = getc(t->bt_rfp)) == EOF || !--len) {
- if (ch != EOF)
- *p = ch;
- if (len != 0)
- memset(p, t->bt_bval, len);
- if (__rec_iput(t,
- nrec, &data, 0) != RET_SUCCESS)
- return (RET_ERROR);
- ++nrec;
- break;
- }
- if (ch == EOF)
- break;
- }
- if (nrec < top) {
- F_SET(t, R_EOF);
- return (RET_SPECIAL);
- }
- return (RET_SUCCESS);
-}
-
-/*
- * __REC_VPIPE -- Get variable length records from a pipe.
- *
- * Parameters:
- * t: tree
- * cnt: records to read
- *
- * Returns:
- * RET_ERROR, RET_SUCCESS
- */
-int
-__rec_vpipe(t, top)
- BTREE *t;
- recno_t top;
-{
- DBT data;
- recno_t nrec;
- indx_t len;
- size_t sz;
- int bval, ch;
- u_char *p;
-
- bval = t->bt_bval;
- for (nrec = t->bt_nrecs; nrec < top; ++nrec) {
- for (p = t->bt_rdata.data,
- sz = t->bt_rdata.size;; *p++ = ch, --sz) {
- if ((ch = getc(t->bt_rfp)) == EOF || ch == bval) {
- data.data = t->bt_rdata.data;
- data.size = p - (u_char *)t->bt_rdata.data;
- if (ch == EOF && data.size == 0)
- break;
- if (__rec_iput(t, nrec, &data, 0)
- != RET_SUCCESS)
- return (RET_ERROR);
- break;
- }
- if (sz == 0) {
- len = p - (u_char *)t->bt_rdata.data;
- t->bt_rdata.size += (sz = 256);
- t->bt_rdata.data = t->bt_rdata.data == NULL ?
- malloc(t->bt_rdata.size) :
- realloc(t->bt_rdata.data, t->bt_rdata.size);
- if (t->bt_rdata.data == NULL)
- return (RET_ERROR);
- p = (u_char *)t->bt_rdata.data + len;
- }
- }
- if (ch == EOF)
- break;
- }
- if (nrec < top) {
- F_SET(t, R_EOF);
- return (RET_SPECIAL);
- }
- return (RET_SUCCESS);
-}
-
-/*
- * __REC_FMAP -- Get fixed length records from a file.
- *
- * Parameters:
- * t: tree
- * cnt: records to read
- *
- * Returns:
- * RET_ERROR, RET_SUCCESS
- */
-int
-__rec_fmap(t, top)
- BTREE *t;
- recno_t top;
-{
- DBT data;
- recno_t nrec;
- u_char *sp, *ep, *p;
- size_t len;
-
- if (t->bt_rdata.size < t->bt_reclen) {
- t->bt_rdata.data = t->bt_rdata.data == NULL ?
- malloc(t->bt_reclen) :
- realloc(t->bt_rdata.data, t->bt_reclen);
- if (t->bt_rdata.data == NULL)
- return (RET_ERROR);
- t->bt_rdata.size = t->bt_reclen;
- }
- data.data = t->bt_rdata.data;
- data.size = t->bt_reclen;
-
- sp = (u_char *)t->bt_cmap;
- ep = (u_char *)t->bt_emap;
- for (nrec = t->bt_nrecs; nrec < top; ++nrec) {
- if (sp >= ep) {
- F_SET(t, R_EOF);
- return (RET_SPECIAL);
- }
- len = t->bt_reclen;
- for (p = t->bt_rdata.data;
- sp < ep && len > 0; *p++ = *sp++, --len);
- if (len != 0)
- memset(p, t->bt_bval, len);
- if (__rec_iput(t, nrec, &data, 0) != RET_SUCCESS)
- return (RET_ERROR);
- }
- t->bt_cmap = (caddr_t)sp;
- return (RET_SUCCESS);
-}
-
-/*
- * __REC_VMAP -- Get variable length records from a file.
- *
- * Parameters:
- * t: tree
- * cnt: records to read
- *
- * Returns:
- * RET_ERROR, RET_SUCCESS
- */
-int
-__rec_vmap(t, top)
- BTREE *t;
- recno_t top;
-{
- DBT data;
- u_char *sp, *ep;
- recno_t nrec;
- int bval;
-
- sp = (u_char *)t->bt_cmap;
- ep = (u_char *)t->bt_emap;
- bval = t->bt_bval;
-
- for (nrec = t->bt_nrecs; nrec < top; ++nrec) {
- if (sp >= ep) {
- F_SET(t, R_EOF);
- return (RET_SPECIAL);
- }
- for (data.data = sp; sp < ep && *sp != bval; ++sp);
- data.size = sp - (u_char *)data.data;
- if (__rec_iput(t, nrec, &data, 0) != RET_SUCCESS)
- return (RET_ERROR);
- ++sp;
- }
- t->bt_cmap = (caddr_t)sp;
- return (RET_SUCCESS);
-}
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