/*
* waddchnstr --
* Add a string (at most n characters) to the given window
* starting at (_cury, _curx) until the end of line is reached or
* n characters have been added. If n is negative, add as much
* of the string that will fit on the current line. SUSv2 says
* that the addchnstr family does not wrap and strings are truncated
* to the RHS of the window.
*/
int
waddchnstr(WINDOW *win, const chtype *chstr, int n)
{
size_t len;
const chtype *chp;
attr_t attr;
char *ocp, *cp, *start;
int i, ret, ox, oy;
#ifdef DEBUG
__CTRACE(__CTRACE_INPUT, "waddchnstr: win = %p, chstr = %p, n = %d\n",
win, chstr, n);
#endif
if (n >= 0)
for (chp = chstr, len = 0; n-- && *chp++; ++len);
else
for (chp = chstr, len = 0; *chp++; ++len);
/* check if string is too long for current location */
if (len > (win->maxx - win->curx))
len = win->maxx - win->curx;
if ((ocp = malloc(len + 1)) == NULL)
return ERR;
chp = chstr;
cp = ocp;
start = ocp;
i = 0;
attr = (*chp) & __ATTRIBUTES;
ox = win->curx;
oy = win->cury;
while (len) {
*cp = (*chp) & __CHARTEXT;
cp++;
chp++;
i++;
len--;
if (((*chp) & __ATTRIBUTES) != attr) {
*cp = '\0';
if (_cursesi_waddbytes(win, start, i, attr, 0) == ERR) {
free(ocp);
return ERR;
}
attr = (*chp) & __ATTRIBUTES;
start = cp;
i = 0;
}
}
*cp = '\0';
ret = _cursesi_waddbytes(win, start, i, attr, 0);
free(ocp);
wmove(win, oy, ox);
return ret;
}
int
__waddch(WINDOW *win, __LDATA *dp)
{
char buf[2];
buf[0] = dp->ch;
buf[1] = '\0';
return (_cursesi_waddbytes(win, buf, 1, dp->attr, 1));
}
