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 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 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 * Copyright 2010 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #include <stdlib.h> 27 #include <errno.h> 28 #include "euro.h" 29 30 31 void * 32 _icv_open() 33 { 34 return ((void *) MAGIC_NUMBER); 35 } 36 37 38 void 39 _icv_close(int *cd) 40 { 41 if (! cd || cd != (int *)MAGIC_NUMBER) 42 errno = EBADF; 43 } 44 45 46 size_t 47 _icv_iconv(int *cd, char **inbuf, size_t *inbytesleft, 48 char **outbuf, size_t *outbytesleft) 49 { 50 size_t ret_val; 51 unsigned char c; 52 unsigned char *ib; 53 unsigned char *ob; 54 unsigned char *ibtail; 55 unsigned char *obtail; 56 57 if (cd != (int *)MAGIC_NUMBER) { 58 errno = EBADF; 59 return ((size_t)-1); 60 } 61 62 if (!inbuf || !(*inbuf)) 63 return ((size_t)0); 64 65 ret_val = 0; 66 ib = (unsigned char *)*inbuf; 67 ob = (unsigned char *)*outbuf; 68 ibtail = ib + *inbytesleft; 69 obtail = ob + *outbytesleft; 70 71 while (ib < ibtail) { 72 c = *ib; 73 74 if (tbl[c].sz == ICV_TYPE_ILLEGAL_CHAR) { 75 errno = EILSEQ; 76 ret_val = (size_t)-1; 77 break; 78 } 79 80 if (obtail <= ob) { 81 errno = E2BIG; 82 ret_val = (size_t)-1; 83 break; 84 } 85 86 *ob++ = tbl[c].ch; 87 ib++; 88 } 89 90 *inbuf = (char *)ib; 91 *inbytesleft = ibtail - ib; 92 *outbuf = (char *)ob; 93 *outbytesleft = obtail - ob; 94 95 return (ret_val); 96 } 97