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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2010 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <stdlib.h>
#include <errno.h>
#include "euro.h"
void *
_icv_open()
{
return ((void *) MAGIC_NUMBER);
}
void
_icv_close(int *cd)
{
if (! cd || cd != (int *)MAGIC_NUMBER)
errno = EBADF;
}
size_t
_icv_iconv(int *cd, char **inbuf, size_t *inbytesleft,
char **outbuf, size_t *outbytesleft)
{
size_t ret_val;
unsigned char c;
unsigned char *ib;
unsigned char *ob;
unsigned char *ibtail;
unsigned char *obtail;
if (cd != (int *)MAGIC_NUMBER) {
errno = EBADF;
return ((size_t)-1);
}
if (!inbuf || !(*inbuf))
return ((size_t)0);
ret_val = 0;
ib = (unsigned char *)*inbuf;
ob = (unsigned char *)*outbuf;
ibtail = ib + *inbytesleft;
obtail = ob + *outbytesleft;
while (ib < ibtail) {
c = *ib;
if (tbl[c].sz == ICV_TYPE_ILLEGAL_CHAR) {
errno = EILSEQ;
ret_val = (size_t)-1;
break;
}
if (obtail <= ob) {
errno = E2BIG;
ret_val = (size_t)-1;
break;
}
*ob++ = tbl[c].ch;
ib++;
}
*inbuf = (char *)ib;
*inbytesleft = ibtail - ib;
*outbuf = (char *)ob;
*outbytesleft = obtail - ob;
return (ret_val);
}
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