/*
* 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);
}
int
winwstr(WINDOW *win, wchar_t *wstr)
{
int counter = 0;
int cy = win->_cury;
chtype *ptr = &(win->_y[cy][win->_curx]),
*pmax = &(win->_y[cy][win->_maxx]);
chtype *p1st = &(win->_y[cy][0]);
wchar_t wc;
int sw, s;
char *cp, cbuf[CSMAX+1];
while (ISCBIT(*ptr) && (p1st < ptr))
ptr--;
while (ptr < pmax) {
wc = RBYTE(*ptr);
sw = mbscrw((int)wc);
(void) mbeucw((int)wc);
cp = cbuf;
for (s = 0; s < sw; s++, ptr++) {
if ((wc = RBYTE(*ptr)) == MBIT)
continue;
/* LINTED */
*cp++ = (char) wc;
if ((wc = LBYTE(*ptr) | MBIT) == MBIT)
continue;
/* LINTED */
*cp++ = (char) wc;
}
*cp = '\0';
if (_curs_mbtowc(&wc, cbuf, CSMAX) <= 0)
break;
*wstr++ = wc;
}
*wstr = (wchar_t)0;
return (counter);
}
