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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 /* Copyright (c) 1986 AT&T */
28 /* All Rights Reserved */
29
30 /*
31 * uses wcspbrk and wcsspn to break string into tokens on
32 * sequentially subsequent calls. returns WNULL when no
33 * non-separator characters remain.
34 * 'subsequent' calls are calls with first argument WNULL.
35 */
36
37 #pragma weak _wstok = wstok
38
39 #include "lint.h"
40 #include "mtlib.h"
41 #include "mse_int.h"
42 #include <stdlib.h>
43 #include <wchar.h>
44 #include <thread.h>
45 #include "libc.h"
46 #include "tsd.h"
47
48 #ifndef WNULL
49 #define WNULL (wchar_t *)0
50 #endif
51
52 wchar_t *
__wcstok_xpg5(wchar_t * string,const wchar_t * sepset,wchar_t ** ptr)53 __wcstok_xpg5(wchar_t *string, const wchar_t *sepset, wchar_t **ptr)
54 {
55 wchar_t *q, *r;
56
57 /* first or subsequent call */
58 if ((string == WNULL && (string = *ptr) == 0) ||
59 (((q = string + wcsspn(string, sepset)) != WNULL) && *q == L'\0'))
60 return (WNULL);
61
62 /* sepset becomes next string after separator */
63 if ((r = wcspbrk(q, sepset)) == WNULL) /* move past token */
64 *ptr = 0; /* indicate this is last token */
65 else {
66 *r = L'\0';
67 *ptr = r + 1;
68 }
69 return (q);
70 }
71
72
73 wchar_t *
wcstok(wchar_t * string,const wchar_t * sepset)74 wcstok(wchar_t *string, const wchar_t *sepset)
75 {
76 wchar_t **lasts = tsdalloc(_T_WCSTOK, sizeof (wchar_t *), NULL);
77
78 if (lasts == NULL)
79 return (NULL);
80 return (__wcstok_xpg5(string, sepset, lasts));
81 }
82
83 wchar_t *
wstok(wchar_t * string,const wchar_t * sepset)84 wstok(wchar_t *string, const wchar_t *sepset)
85 {
86 return (wcstok(string, sepset));
87 }
88