void br_fdb_cleanup(struct net_bridge *br)
{
int i;
unsigned long timeout;
timeout = __timeout(br);
write_lock_bh(&br->hash_lock);
for (i=0;i<BR_HASH_SIZE;i++) {
struct net_bridge_fdb_entry *f;
f = br->hash[i];
while (f != NULL) {
struct net_bridge_fdb_entry *g;
g = f->next_hash;
if (!f->is_static &&
time_before_eq(f->ageing_timer, timeout)) {
__hash_unlink(f);
br_fdb_put(f);
}
f = g;
}
}
write_unlock_bh(&br->hash_lock);
}
static __inline__ int has_expired(struct net_bridge *br,
struct net_bridge_fdb_entry *fdb)
{
if (!fdb->is_static &&
time_before_eq(fdb->ageing_timer, __timeout(br)))
return 1;
return 0;
}
/*
* halfdelay --
* Put the terminal into cbreak mode with the specified timeout.
*
*/
int
halfdelay(int duration)
{
if ((duration < 1) || (duration > 255))
return ERR;
if (cbreak() == ERR)
return ERR;
if (__timeout(duration) == ERR)
return ERR;
_cursesi_screen->half_delay = TRUE;
return OK;
}
/*
* wgetch --
* Read in a character from the window.
*/
int
wgetch(WINDOW *win)
{
int inp, weset;
int c;
FILE *infd = _cursesi_screen->infd;
#ifdef DEBUG
__CTRACE(__CTRACE_INPUT, "wgetch: win(%p)\n", win);
#endif
if (!(win->flags & __SCROLLOK) && (win->flags & __FULLWIN)
&& win->curx == win->maxx - 1 && win->cury == win->maxy - 1
&& __echoit)
return (ERR);
if (is_wintouched(win))
wrefresh(win);
#ifdef DEBUG
__CTRACE(__CTRACE_INPUT, "wgetch: __echoit = %d, "
"__rawmode = %d, __nl = %d, flags = %#.4x, delay = %d\n",
__echoit, __rawmode, _cursesi_screen->nl, win->flags, win->delay);
#endif
if (_cursesi_screen->resized) {
_cursesi_screen->resized = 0;
#ifdef DEBUG
__CTRACE(__CTRACE_INPUT, "wgetch returning KEY_RESIZE\n");
#endif
return KEY_RESIZE;
}
if (_cursesi_screen->unget_pos) {
#ifdef DEBUG
__CTRACE(__CTRACE_INPUT, "wgetch returning char at %d\n",
_cursesi_screen->unget_pos);
#endif
_cursesi_screen->unget_pos--;
c = _cursesi_screen->unget_list[_cursesi_screen->unget_pos];
if (__echoit)
waddch(win, (chtype) c);
return c;
}
if (__echoit && !__rawmode) {
cbreak();
weset = 1;
} else
weset = 0;
__save_termios();
if (win->flags & __KEYPAD) {
switch (win->delay)
{
case -1:
inp = inkey (win->flags & __NOTIMEOUT ? 0 : 1, 0);
break;
case 0:
if (__nodelay() == ERR)
return ERR;
inp = inkey(0, 0);
break;
default:
inp = inkey(win->flags & __NOTIMEOUT ? 0 : 1, win->delay);
break;
}
} else {
switch (win->delay)
{
case -1:
if (__delay() == ERR)
return ERR;
break;
case 0:
if (__nodelay() == ERR)
return ERR;
break;
default:
if (__timeout(win->delay) == ERR)
return ERR;
break;
}
c = fgetc(infd);
if (feof(infd)) {
clearerr(infd);
__restore_termios();
return ERR; /* we have timed out */
}
if (ferror(infd)) {
clearerr(infd);
inp = ERR;
} else {
inp = c;
}
}
#ifdef DEBUG
if (inp > 255)
/* we have a key symbol - treat it differently */
/* XXXX perhaps __unctrl should be expanded to include
* XXXX the keysyms in the table....
*/
__CTRACE(__CTRACE_INPUT, "wgetch assembled keysym 0x%x\n", inp);
else
__CTRACE(__CTRACE_INPUT, "wgetch got '%s'\n", unctrl(inp));
#endif
if (win->delay > -1) {
if (__delay() == ERR)
return ERR;
}
__restore_termios();
if ((__echoit) && (inp < KEY_MIN))
waddch(win, (chtype) inp);
if (weset)
nocbreak();
if (_cursesi_screen->nl && inp == 13)
inp = 10;
return ((inp < 0) || (inp == ERR) ? ERR : inp);
}
wchar_t
inkey(int to, int delay)
{
wchar_t k;
int c, mapping;
keymap_t *current = _cursesi_screen->base_keymap;
FILE *infd = _cursesi_screen->infd;
k = 0; /* XXX gcc -Wuninitialized */
#ifdef DEBUG
__CTRACE(__CTRACE_INPUT, "inkey (%d, %d)\n", to, delay);
#endif
for (;;) { /* loop until we get a complete key sequence */
reread:
if (state == INKEY_NORM) {
if (delay && __timeout(delay) == ERR)
return ERR;
c = fgetc(infd);
if (c == EOF) {
clearerr(infd);
return ERR;
}
if (delay && (__notimeout() == ERR))
return ERR;
k = (wchar_t) c;
#ifdef DEBUG
__CTRACE(__CTRACE_INPUT,
"inkey (state normal) got '%s'\n", unctrl(k));
#endif
working = start;
inbuf[working] = k;
INC_POINTER(working);
end = working;
state = INKEY_ASSEMBLING; /* go to the assembling
* state now */
} else if (state == INKEY_BACKOUT) {
k = inbuf[working];
INC_POINTER(working);
if (working == end) { /* see if we have run
* out of keys in the
* backlog */
/* if we have then switch to assembling */
state = INKEY_ASSEMBLING;
}
} else if (state == INKEY_ASSEMBLING) {
/* assembling a key sequence */
if (delay) {
if (__timeout(to ? (ESCDELAY / 100) : delay)
== ERR)
return ERR;
} else {
if (to && (__timeout(ESCDELAY / 100) == ERR))
return ERR;
}
c = fgetc(infd);
if (ferror(infd)) {
clearerr(infd);
return ERR;
}
if ((to || delay) && (__notimeout() == ERR))
return ERR;
#ifdef DEBUG
__CTRACE(__CTRACE_INPUT,
"inkey (state assembling) got '%s'\n", unctrl(k));
#endif
if (feof(infd) || c == -1) { /* inter-char timeout,
* start backing out */
clearerr(infd);
if (start == end)
/* no chars in the buffer, restart */
goto reread;
k = inbuf[start];
state = INKEY_TIMEOUT;
} else {
k = (wchar_t) c;
inbuf[working] = k;
INC_POINTER(working);
end = working;
}
} else {
fprintf(stderr, "Inkey state screwed - exiting!!!");
exit(2);
}
/*
* Check key has no special meaning and we have not
* timed out and the key has not been disabled
*/
mapping = current->mapping[k];
if (((state == INKEY_TIMEOUT) || (mapping < 0))
|| ((current->key[mapping]->type == KEYMAP_LEAF)
&& (current->key[mapping]->enable == FALSE))) {
/* return the first key we know about */
k = inbuf[start];
INC_POINTER(start);
working = start;
if (start == end) { /* only one char processed */
state = INKEY_NORM;
} else {/* otherwise we must have more than one char
* to backout */
state = INKEY_BACKOUT;
}
return k;
} else { /* must be part of a multikey sequence */
/* check for completed key sequence */
if (current->key[current->mapping[k]]->type == KEYMAP_LEAF) {
start = working; /* eat the key sequence
* in inbuf */
/* check if inbuf empty now */
if (start == end) {
/* if it is go back to normal */
state = INKEY_NORM;
} else {
/* otherwise go to backout state */
state = INKEY_BACKOUT;
}
/* return the symbol */
return current->key[current->mapping[k]]->value.symbol;
} else {
/*
* Step on to next part of the multi-key
* sequence.
*/
current = current->key[current->mapping[k]]->value.next;
}
}
}
}
