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 1993 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* 28 * mbstowcs 29 */ 30 31 #pragma ident "%Z%%M% %I% %E% SMI" 32 33 #if !defined(lint) && defined(SCCSIDS) 34 static char *sccsid = "%Z%%M% %I% %E% SMI"; 35 #endif 36 37 #include <sys/types.h> 38 #include "codeset.h" 39 #include "mbextern.h" 40 41 int 42 mbstowcs(pwcs, s, n) 43 wchar_t * pwcs; 44 char *s; 45 size_t n; 46 { 47 char *handle; /* handle */ 48 int (*p)(); 49 int num = 0; 50 int ret; 51 52 switch (_code_set_info.code_id) { 53 case CODESET_NONE: 54 /* 55 * default code set, 56 */ 57 while (*s && num < n) { 58 *pwcs++ = (wchar_t)*s++; 59 num++; 60 } 61 if (num < n) 62 *pwcs = 0; 63 return (num); 64 break; 65 case CODESET_EUC: 66 /* 67 * EUC code set 68 */ 69 return(_mbstowcs_euc(pwcs, s, n)); 70 break; 71 72 case CODESET_XCCS: 73 /* 74 * XCCS code set 75 */ 76 return(_mbstowcs_xccs(pwcs, s, n)); 77 break; 78 79 case CODESET_ISO2022: 80 /* 81 * ISO family 82 */ 83 return(_mbstowcs_iso(pwcs, s, n)); 84 break; 85 86 default: 87 /* 88 * User defined code set 89 */ 90 handle = _ml_open_library(); 91 if (handle == (void *)NULL) 92 return(ERROR_NO_LIB); /* No user library */ 93 p = (int (*)()) dlsym(handle, "_mbstowcs"); 94 if (p == (int (*)()) NULL) 95 return(ERROR_NO_SYM); 96 ret = (*p)(pwcs, s, n); 97 return (ret); 98 break; 99 } 100 /* NOTREACHED */ 101 } 102