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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/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 usr/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 (c) 1988 AT&T */
/* All Rights Reserved */
/*
* Copyright (c) 1997, by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdlib.h>
#include <sys/types.h>
#include "curses_inc.h"
/*
* Translate process code to byte-equivalent
* Return the length of the byte-equivalent string
*/
/*
* use _curs_wctomb() instead of _code2byte(code, bytes)
*/
/*
* Translate a set of byte to a single process code
*/
/*
* use _curs_mbtowc() instead of wchar_t _byte2code(bytes)
*/
/*
* Translate a string of wchar_t to a byte string.
* code: the input code string
* byte: if not NULL, space to store the output string
* n: maximum number of codes to be translated.
*/
char
*_strcode2byte(wchar_t *code, char *byte, int n)
{
char *bufp;
wchar_t *endcode;
static char *buf;
static int bufsize;
/* compute the length of the code string */
if (n < 0)
for (n = 0; code[n] != 0; ++n)
;
/* get space to store the translated string */
if (!byte && (n*CSMAX+1) > bufsize) {
if (buf)
free(buf);
bufsize = n * CSMAX + 1;
if ((buf = malloc(bufsize * sizeof (char))) == NULL)
bufsize = 0;
}
/* no space to do it */
if (!byte && !buf)
return (NULL);
/* start the translation */
bufp = byte ? byte : buf;
endcode = code+n;
while (code < endcode && *code) {
bufp += _curs_wctomb(bufp, *code & TRIM);
++code;
}
*bufp = '\0';
return (byte ? byte : buf);
}
/*
* Translate a byte-string to a wchar_t string.
*/
wchar_t
*_strbyte2code(char *byte, wchar_t *code, int n)
{
char *endbyte;
wchar_t *bufp;
static wchar_t *buf;
static int bufsize;
if (n < 0)
for (n = 0; byte[n] != '\0'; ++n)
;
if (!code && (n + 1) > bufsize) {
if (buf)
free((char *)buf);
bufsize = n + 1;
if ((buf = (wchar_t *)malloc(bufsize * sizeof (wchar_t))) ==
NULL)
bufsize = 0;
}
if (!code && !buf)
return (NULL);
bufp = code ? code : buf;
endbyte = byte + n;
while (byte < endbyte && *byte) {
int type, width;
wchar_t wchar;
type = TYPE(*byte & 0377);
width = cswidth[type];
if (type == 1 || type == 2)
width++;
if (byte + width <= endbyte) {
(void) _curs_mbtowc(&wchar, byte, width);
*bufp++ = wchar;
}
byte += width;
}
*bufp = 0;
return (code ? code : buf);
}
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