1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 1997 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1988 AT&T */
28 /* All Rights Reserved */
29
30 /*
31 * University Copyright- Copyright (c) 1982, 1986, 1988
32 * The Regents of the University of California
33 * All Rights Reserved
34 *
35 * University Acknowledgment- Portions of this document are derived from
36 * software developed by the University of California, Berkeley, and its
37 * contributors.
38 */
39
40 /*LINTLIBRARY*/
41
42 #include <sys/types.h>
43 #include <string.h>
44
45 int
_tcsearch(char * cap,short offsets[],char * names[],int size,int n)46 _tcsearch(char *cap, short offsets[], char *names[], int size, int n)
47 {
48 int l = 0, u = size - 1;
49 int m, cmp;
50
51 while (l <= u) {
52 m = (l + u) / 2;
53 cmp = ((n == 0) ? strcmp(cap, names[offsets[m]]) :
54 strncmp(cap, names[offsets[m]], n));
55
56 if (cmp < 0)
57 u = m - 1;
58 else
59 if (cmp > 0)
60 l = m + 1;
61 else
62 return (offsets[m]);
63 }
64 return (-1);
65 }
66