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 /* 24 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 25 * Use is subject to license terms. 26 */ 27 28 #pragma ident "%Z%%M% %I% %E% SMI" 29 30 /* Copyright (c) 1986 AT&T */ 31 /* All Rights Reserved */ 32 33 34 /* This module is created for NLS on Sep.03.86 */ 35 36 /* 37 * uses wcspbrk and wcsspn to break string into tokens on 38 * sequentially subsequent calls. returns WNULL when no 39 * non-separator characters remain. 40 * 'subsequent' calls are calls with first argument WNULL. 41 */ 42 43 #pragma weak wstok = _wstok 44 45 #include "synonyms.h" 46 #include "mtlib.h" 47 #include "mse_int.h" 48 #include <stdlib.h> 49 #include <wchar.h> 50 #include <thread.h> 51 #include "libc.h" 52 #include "tsd.h" 53 54 #ifndef WNULL 55 #define WNULL (wchar_t *)0 56 #endif 57 58 wchar_t * 59 __wcstok_xpg5(wchar_t *string, const wchar_t *sepset, wchar_t **ptr) 60 { 61 wchar_t *q, *r; 62 63 /* first or subsequent call */ 64 if ((string == WNULL && (string = *ptr) == 0) || 65 (((q = string + wcsspn(string, sepset)) != WNULL) && *q == L'\0')) 66 return (WNULL); 67 68 /* sepset becomes next string after separator */ 69 if ((r = wcspbrk(q, sepset)) == WNULL) /* move past token */ 70 *ptr = 0; /* indicate this is last token */ 71 else { 72 *r = L'\0'; 73 *ptr = r + 1; 74 } 75 return (q); 76 } 77 78 79 wchar_t * 80 wcstok(wchar_t *string, const wchar_t *sepset) 81 { 82 wchar_t **lasts = tsdalloc(_T_WCSTOK, sizeof (wchar_t *), NULL); 83 84 if (lasts == NULL) 85 return (NULL); 86 return (__wcstok_xpg5(string, sepset, lasts)); 87 } 88 89 wchar_t * 90 _wstok(wchar_t *string, const wchar_t *sepset) 91 { 92 return (wcstok(string, sepset)); 93 } 94