1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate * CDDL HEADER START
3*0Sstevel@tonic-gate *
4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*0Sstevel@tonic-gate * with the License.
8*0Sstevel@tonic-gate *
9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate * and limitations under the License.
13*0Sstevel@tonic-gate *
14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate *
20*0Sstevel@tonic-gate * CDDL HEADER END
21*0Sstevel@tonic-gate */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate * db_entry.cc
24*0Sstevel@tonic-gate *
25*0Sstevel@tonic-gate * Copyright (c) 1988-2001 by Sun Microsystems, Inc.
26*0Sstevel@tonic-gate * All Rights Reserved.
27*0Sstevel@tonic-gate */
28*0Sstevel@tonic-gate
29*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI"
30*0Sstevel@tonic-gate
31*0Sstevel@tonic-gate
32*0Sstevel@tonic-gate #include <sys/types.h>
33*0Sstevel@tonic-gate #include <stdio.h>
34*0Sstevel@tonic-gate #include <string.h>
35*0Sstevel@tonic-gate
36*0Sstevel@tonic-gate #include "db_headers.h"
37*0Sstevel@tonic-gate #include "db_table.h" /* must come before db_entry */
38*0Sstevel@tonic-gate #include "db_entry.h"
39*0Sstevel@tonic-gate #include "nisdb_mt.h"
40*0Sstevel@tonic-gate
41*0Sstevel@tonic-gate #define PRINT_WIDTH 32
42*0Sstevel@tonic-gate
43*0Sstevel@tonic-gate void
print_entry(entryp location,entry_object * e)44*0Sstevel@tonic-gate print_entry(entryp location, entry_object *e)
45*0Sstevel@tonic-gate {
46*0Sstevel@tonic-gate printf("entry at location %d: \n", location);
47*0Sstevel@tonic-gate
48*0Sstevel@tonic-gate if (e == NULL) {
49*0Sstevel@tonic-gate printf("\tnull object\n");
50*0Sstevel@tonic-gate return;
51*0Sstevel@tonic-gate }
52*0Sstevel@tonic-gate
53*0Sstevel@tonic-gate int size = e->en_cols.en_cols_len, i, j, col_width;
54*0Sstevel@tonic-gate entry_col * entry = e->en_cols.en_cols_val;
55*0Sstevel@tonic-gate
56*0Sstevel@tonic-gate printf("\ttype: %s\n", e->en_type ? e->en_type : "none");
57*0Sstevel@tonic-gate printf("\tnumber of columns: %d\n", size);
58*0Sstevel@tonic-gate
59*0Sstevel@tonic-gate for (i = 0; i < size; i++) {
60*0Sstevel@tonic-gate printf("\t\t%d: flags=0x%x, length=%d, value=",
61*0Sstevel@tonic-gate i, entry[i].ec_flags, entry[i].ec_value.ec_value_len);
62*0Sstevel@tonic-gate col_width = ((entry[i].ec_value.ec_value_len > PRINT_WIDTH) ?
63*0Sstevel@tonic-gate PRINT_WIDTH : entry[i].ec_value.ec_value_len);
64*0Sstevel@tonic-gate for (j = 0; j < col_width; j++) {
65*0Sstevel@tonic-gate if (entry[i].ec_value.ec_value_val[j] < 32) {
66*0Sstevel@tonic-gate putchar('^');
67*0Sstevel@tonic-gate putchar(entry[i].ec_value.ec_value_val[j]+32);
68*0Sstevel@tonic-gate } else {
69*0Sstevel@tonic-gate putchar(entry[i].ec_value.ec_value_val[j]);
70*0Sstevel@tonic-gate }
71*0Sstevel@tonic-gate }
72*0Sstevel@tonic-gate
73*0Sstevel@tonic-gate putchar('\n');
74*0Sstevel@tonic-gate }
75*0Sstevel@tonic-gate }
76*0Sstevel@tonic-gate
77*0Sstevel@tonic-gate entry_object*
new_entry(entry_object * old)78*0Sstevel@tonic-gate new_entry(entry_object *old)
79*0Sstevel@tonic-gate {
80*0Sstevel@tonic-gate entry_object* newobj = new entry_object;
81*0Sstevel@tonic-gate if (newobj == NULL)
82*0Sstevel@tonic-gate FATAL3("new_entry:: cannot allocate space", DB_MEMORY_LIMIT,
83*0Sstevel@tonic-gate NULL);
84*0Sstevel@tonic-gate
85*0Sstevel@tonic-gate if (copy_entry(old, newobj))
86*0Sstevel@tonic-gate return (newobj);
87*0Sstevel@tonic-gate else {
88*0Sstevel@tonic-gate delete newobj;
89*0Sstevel@tonic-gate return (NULL);
90*0Sstevel@tonic-gate }
91*0Sstevel@tonic-gate }
92*0Sstevel@tonic-gate
93*0Sstevel@tonic-gate bool_t
copy_entry(entry_object * old,entry_object * nb)94*0Sstevel@tonic-gate copy_entry(entry_object * old, entry_object *nb)
95*0Sstevel@tonic-gate {
96*0Sstevel@tonic-gate int tlen, j, i;
97*0Sstevel@tonic-gate int num_cols = 0;
98*0Sstevel@tonic-gate entry_col *cols, *newcols = NULL;
99*0Sstevel@tonic-gate
100*0Sstevel@tonic-gate if (old == NULL) return FALSE;
101*0Sstevel@tonic-gate
102*0Sstevel@tonic-gate if (old->en_type == NULL)
103*0Sstevel@tonic-gate nb->en_type = NULL;
104*0Sstevel@tonic-gate else {
105*0Sstevel@tonic-gate nb->en_type = strdup(old->en_type);
106*0Sstevel@tonic-gate if (nb->en_type == NULL)
107*0Sstevel@tonic-gate FATAL3(
108*0Sstevel@tonic-gate "copy_entry: cannot allocate space for entry type",
109*0Sstevel@tonic-gate DB_MEMORY_LIMIT, FALSE);
110*0Sstevel@tonic-gate }
111*0Sstevel@tonic-gate
112*0Sstevel@tonic-gate num_cols = old->en_cols.en_cols_len;
113*0Sstevel@tonic-gate cols = old->en_cols.en_cols_val;
114*0Sstevel@tonic-gate if (num_cols == 0)
115*0Sstevel@tonic-gate nb->en_cols.en_cols_val = NULL;
116*0Sstevel@tonic-gate else {
117*0Sstevel@tonic-gate newcols = new entry_col[num_cols];
118*0Sstevel@tonic-gate if (newcols == NULL) {
119*0Sstevel@tonic-gate if (nb->en_type)
120*0Sstevel@tonic-gate delete nb->en_type;
121*0Sstevel@tonic-gate FATAL3("copy_entry: cannot allocate space for columns",
122*0Sstevel@tonic-gate DB_MEMORY_LIMIT, FALSE);
123*0Sstevel@tonic-gate }
124*0Sstevel@tonic-gate for (j = 0; j < num_cols; j++) {
125*0Sstevel@tonic-gate newcols[j].ec_flags = cols[j].ec_flags;
126*0Sstevel@tonic-gate tlen = newcols[j].ec_value.ec_value_len =
127*0Sstevel@tonic-gate cols[j].ec_value.ec_value_len;
128*0Sstevel@tonic-gate newcols[j].ec_value.ec_value_val = new char[ tlen ];
129*0Sstevel@tonic-gate if (newcols[j].ec_value.ec_value_val == NULL) {
130*0Sstevel@tonic-gate // cleanup space already allocated
131*0Sstevel@tonic-gate if (nb->en_type)
132*0Sstevel@tonic-gate delete nb->en_type;
133*0Sstevel@tonic-gate for (i = 0; i < j; i++)
134*0Sstevel@tonic-gate delete newcols[i].ec_value.ec_value_val;
135*0Sstevel@tonic-gate delete newcols;
136*0Sstevel@tonic-gate FATAL3(
137*0Sstevel@tonic-gate "copy_entry: cannot allocate space for column value",
138*0Sstevel@tonic-gate DB_MEMORY_LIMIT, FALSE);
139*0Sstevel@tonic-gate }
140*0Sstevel@tonic-gate memcpy(newcols[j].ec_value.ec_value_val,
141*0Sstevel@tonic-gate cols[j].ec_value.ec_value_val,
142*0Sstevel@tonic-gate tlen);
143*0Sstevel@tonic-gate }
144*0Sstevel@tonic-gate }
145*0Sstevel@tonic-gate nb->en_cols.en_cols_len = num_cols;
146*0Sstevel@tonic-gate nb->en_cols.en_cols_val = newcols;
147*0Sstevel@tonic-gate return (TRUE);
148*0Sstevel@tonic-gate }
149*0Sstevel@tonic-gate
150*0Sstevel@tonic-gate void
free_entry(entry_object * obj)151*0Sstevel@tonic-gate free_entry(entry_object * obj)
152*0Sstevel@tonic-gate {
153*0Sstevel@tonic-gate int i;
154*0Sstevel@tonic-gate int num_cols;
155*0Sstevel@tonic-gate entry_col *cols;
156*0Sstevel@tonic-gate
157*0Sstevel@tonic-gate if (obj != NULL) {
158*0Sstevel@tonic-gate num_cols = obj->en_cols.en_cols_len;
159*0Sstevel@tonic-gate cols = obj->en_cols.en_cols_val;
160*0Sstevel@tonic-gate for (i = 0; i < num_cols; i++)
161*0Sstevel@tonic-gate if (cols[i].ec_value.ec_value_val != NULL)
162*0Sstevel@tonic-gate delete cols[i].ec_value.ec_value_val;
163*0Sstevel@tonic-gate if (cols)
164*0Sstevel@tonic-gate delete cols;
165*0Sstevel@tonic-gate if (obj->en_type)
166*0Sstevel@tonic-gate delete obj->en_type;
167*0Sstevel@tonic-gate delete obj;
168*0Sstevel@tonic-gate }
169*0Sstevel@tonic-gate }
170*0Sstevel@tonic-gate
171*0Sstevel@tonic-gate bool_t
sameEntry(entry_object * a,entry_object * b)172*0Sstevel@tonic-gate sameEntry(entry_object *a, entry_object *b) {
173*0Sstevel@tonic-gate uint_t i;
174*0Sstevel@tonic-gate
175*0Sstevel@tonic-gate if (a == 0)
176*0Sstevel@tonic-gate return (b == 0);
177*0Sstevel@tonic-gate if (b == 0)
178*0Sstevel@tonic-gate return (FALSE);
179*0Sstevel@tonic-gate
180*0Sstevel@tonic-gate if (a->en_type != 0 && b->en_type != 0) {
181*0Sstevel@tonic-gate if (strcmp(a->en_type, b->en_type) != 0)
182*0Sstevel@tonic-gate return (FALSE);
183*0Sstevel@tonic-gate } else if (a->en_type != b->en_type) {
184*0Sstevel@tonic-gate return (FALSE);
185*0Sstevel@tonic-gate }
186*0Sstevel@tonic-gate
187*0Sstevel@tonic-gate if (a->en_cols.en_cols_len != b->en_cols.en_cols_len)
188*0Sstevel@tonic-gate return (FALSE);
189*0Sstevel@tonic-gate
190*0Sstevel@tonic-gate for (i = 0; i < a->en_cols.en_cols_len; i++) {
191*0Sstevel@tonic-gate if (a->en_cols.en_cols_val[i].ec_flags !=
192*0Sstevel@tonic-gate b->en_cols.en_cols_val[i].ec_flags)
193*0Sstevel@tonic-gate return (FALSE);
194*0Sstevel@tonic-gate if (a->en_cols.en_cols_val[i].ec_value.ec_value_len !=
195*0Sstevel@tonic-gate b->en_cols.en_cols_val[i].ec_value.ec_value_len)
196*0Sstevel@tonic-gate return (FALSE);
197*0Sstevel@tonic-gate if (memcmp(a->en_cols.en_cols_val[i].ec_value.ec_value_val,
198*0Sstevel@tonic-gate b->en_cols.en_cols_val[i].ec_value.ec_value_val,
199*0Sstevel@tonic-gate a->en_cols.en_cols_val[i].ec_value.ec_value_len) != 0)
200*0Sstevel@tonic-gate return (FALSE);
201*0Sstevel@tonic-gate }
202*0Sstevel@tonic-gate
203*0Sstevel@tonic-gate return (TRUE);
204*0Sstevel@tonic-gate }
205