int
getzlequery(void)
{
int c;
#ifdef FIONREAD
int val;
/* check for typeahead, which is treated as a negative response */
ioctl(SHTTY, FIONREAD, (char *)&val);
if (val) {
putc('n', shout);
return 'n';
}
#endif
/* get a character from the tty and interpret it */
c = getkey(0);
if (c == '\t')
c = 'y';
else if (icntrl(c) || c == EOF)
c = 'n';
else
c = tulower(c);
/* echo response and return */
putc(c, shout);
return c;
}
void refresh() /**/
{
unsigned char *s,*t,*sen,*scs = line+cs; char **qbuf;
int ln = 0,nvcs,nvln = -1,t0;
cost = 0;
if (resetneeded)
{
resetvideo();
resetneeded = 0;
if (isset(SINGLELINEZLE) || !termok)
vcs = 0;
else
printf("%s",pmpt);
}
zleactive = 1;
if (isset(SINGLELINEZLE) || !termok)
{
singlerefresh();
return;
}
/* first, we generate the video line buffers so we know what to
put on the screen.
s = ptr into the video buffer.
t = ptr into the real buffer.
sen = end of the video buffer (eol)
*/
s = (unsigned char *)(nbuf[ln = 0]+pptlen);
t = line;
sen = (unsigned char *)(*nbuf+winw);
for (; *t; t++)
{
if (icntrl((char)*t))
if (*t == '\n')
{
if (t == scs)
{
nvcs = (char *)s-nbuf[nvln = ln];
scs = (unsigned char *)NULL;
}
nextline
}
else if ((char)*t == '\t')
{
int t1 = (char *)s-nbuf[ln];
if ((t1|7)+1 >= winw) nextline
else
do
*s++ = ' ';
while ((++t1) & 7);
}
