delwin(WINDOW *win)
{
int result = ERR;
T((T_CALLED("delwin(%p)"), (void *) win));
if (_nc_try_global(curses) == 0) {
if (win == 0
|| cannot_delete(win)) {
result = ERR;
} else {
#if NCURSES_SP_FUNCS
SCREEN *sp = _nc_screen_of(win);
#endif
if (win->_flags & _SUBWIN)
touchwin(win->_parent);
else if (CurScreen(SP_PARM) != 0)
touchwin(CurScreen(SP_PARM));
result = _nc_freewin(win);
}
_nc_unlock_global(curses);
}
returnCode(result);
}
NCURSES_SP_NAME(set_curterm) (NCURSES_SP_DCLx TERMINAL * termp)
{
TERMINAL *oldterm;
T((T_CALLED("set_curterm(%p)"), (void *) termp));
_nc_lock_global(curses);
oldterm = cur_term;
if (SP_PARM)
SP_PARM->_term = termp;
#if USE_REENTRANT
CurTerm = termp;
#else
cur_term = termp;
#endif
if (termp != 0) {
#ifdef USE_TERM_DRIVER
TERMINAL_CONTROL_BLOCK *TCB = (TERMINAL_CONTROL_BLOCK *) termp;
ospeed = (NCURSES_OSPEED) _nc_ospeed(termp->_baudrate);
if (TCB->drv->isTerminfo && termp->type.Strings) {
PC = (char) ((pad_char != NULL) ? pad_char[0] : 0);
}
TCB->csp = SP_PARM;
#else
ospeed = (NCURSES_OSPEED) _nc_ospeed(termp->_baudrate);
if (termp->type.Strings) {
PC = (char) ((pad_char != NULL) ? pad_char[0] : 0);
}
#endif
}
_nc_unlock_global(curses);
T((T_RETURN("%p"), (void *) oldterm));
return (oldterm);
}
/*
* If we have reallocated the ldat structs, we will have to repair pointers
* used in subwindows.
*/
static void
repair_subwindows(WINDOW *cmp)
{
WINDOWLIST *wp;
struct ldat *pline = cmp->_line;
int row;
_nc_lock_global(curses);
for (each_window(wp)) {
WINDOW *tst = &(wp->win);
if (tst->_parent == cmp) {
if (tst->_pary > cmp->_maxy)
tst->_pary = cmp->_maxy;
if (tst->_parx > cmp->_maxx)
tst->_parx = cmp->_maxx;
if (tst->_maxy + tst->_pary > cmp->_maxy)
tst->_maxy = cmp->_maxy - tst->_pary;
if (tst->_maxx + tst->_parx > cmp->_maxx)
tst->_maxx = cmp->_maxx - tst->_parx;
for (row = 0; row <= tst->_maxy; ++row) {
tst->_line[row].text = &pline[tst->_pary + row].text[tst->_parx];
}
repair_subwindows(tst);
}
}
_nc_unlock_global(curses);
}
set_curterm(TERMINAL * termp)
{
TERMINAL *oldterm;
T((T_CALLED("set_curterm(%p)"), termp));
_nc_lock_global(curses);
oldterm = cur_term;
if (SP)
SP->_term = termp;
#if BROKEN_LINKER || USE_REENTRANT
_nc_prescreen._cur_term = termp;
#else
cur_term = termp;
#endif
if (termp != 0) {
ospeed = _nc_ospeed(termp->_baudrate);
if (termp->type.Strings) {
PC = (char) ((pad_char != NULL) ? pad_char[0] : 0);
}
}
_nc_unlock_global(curses);
T((T_RETURN("%p"), oldterm));
return (oldterm);
}
_nc_freewin(WINDOW *win)
{
WINDOWLIST *p, *q;
int i;
int result = ERR;
T((T_CALLED("_nc_freewin(%p)"), win));
if (win != 0) {
if (_nc_try_global(curses) == 0) {
q = 0;
for (each_window(p)) {
if (&(p->win) == win) {
remove_window_from_screen(win);
if (q == 0)
_nc_windows = p->next;
else
q->next = p->next;
if (!(win->_flags & _SUBWIN)) {
for (i = 0; i <= win->_maxy; i++)
FreeIfNeeded(win->_line[i].text);
}
free(win->_line);
free(p);
result = OK;
T(("...deleted win=%p", win));
break;
}
q = p;
}
_nc_unlock_global(curses);
}
}
safe_ungetch(SCREEN *sp, int ch)
{
int rc = ERR;
T((T_CALLED("ungetch(%p,%s)"), (void *) sp, _nc_tracechar(sp, ch)));
if (tail != -1) {
if (head == -1) {
head = 0;
t_inc();
peek = tail; /* no raw keys */
} else
h_dec();
sp->_fifo[head] = ch;
T(("ungetch %s ok", _nc_tracechar(sp, ch)));
#ifdef TRACE
if (USE_TRACEF(TRACE_IEVENT)) {
_nc_fifo_dump(sp);
_nc_unlock_global(tracef);
}
#endif
rc = OK;
}
returnCode(rc);
}
del_curterm(TERMINAL * termp)
{
int rc = ERR;
_nc_lock_global(curses);
rc = NCURSES_SP_NAME(del_curterm) (CURRENT_SCREEN, termp);
_nc_unlock_global(curses);
return (rc);
}
_nc_locked_tracef(const char *fmt,...)
{
va_list ap;
va_start(ap, fmt);
_nc_va_tracef(fmt, ap);
va_end(ap);
if (--(_nc_globals.nested_tracef) == 0)
_nc_unlock_global(tracef);
}
static int
overlap(const WINDOW *const src, WINDOW *const dst, int const flag)
{
int rc = ERR;
int sx1, sy1, sx2, sy2;
int dx1, dy1, dx2, dy2;
int sminrow, smincol;
int dminrow, dmincol;
int dmaxrow, dmaxcol;
T((T_CALLED("overlap(%p,%p,%d)"), src, dst, flag));
if (src != 0 && dst != 0) {
_nc_lock_global(curses);
T(("src : begy %ld, begx %ld, maxy %ld, maxx %ld",
(long) src->_begy,
(long) src->_begx,
(long) src->_maxy,
(long) src->_maxx));
T(("dst : begy %ld, begx %ld, maxy %ld, maxx %ld",
(long) dst->_begy,
(long) dst->_begx,
(long) dst->_maxy,
(long) dst->_maxx));
sx1 = src->_begx;
sy1 = src->_begy;
sx2 = sx1 + src->_maxx;
sy2 = sy1 + src->_maxy;
dx1 = dst->_begx;
dy1 = dst->_begy;
dx2 = dx1 + dst->_maxx;
dy2 = dy1 + dst->_maxy;
if (dx2 >= sx1 && dx1 <= sx2 && dy2 >= sy1 && dy1 <= sy2) {
sminrow = max(sy1, dy1) - sy1;
smincol = max(sx1, dx1) - sx1;
dminrow = max(sy1, dy1) - dy1;
dmincol = max(sx1, dx1) - dx1;
dmaxrow = min(sy2, dy2) - dy1;
dmaxcol = min(sx2, dx2) - dx1;
rc = copywin(src, dst,
sminrow, smincol,
dminrow, dmincol,
dmaxrow, dmaxcol,
flag);
}
_nc_unlock_global(curses);
}
returnCode(rc);
}
use_window(WINDOW *win, NCURSES_WINDOW_CB func, void *data)
{
int code = OK;
T((T_CALLED("use_window(%p,%p,%p)"), (void *) win, func, data));
_nc_lock_global(curses);
code = func(win, data);
_nc_unlock_global(curses);
returnCode(code);
}
initscr(void)
{
WINDOW *result;
START_TRACE();
T((T_CALLED("initscr()")));
_nc_init_pthreads();
_nc_lock_global(curses);
/* Portable applications must not call initscr() more than once */
if (!_nc_globals.init_screen) {
NCURSES_CONST char *name;
_nc_globals.init_screen = TRUE;
if ((name = getenv("TERM")) == 0
|| *name == '\0')
name = "unknown";
#ifdef __CYGWIN__
/*
* 2002/9/21
* Work around a bug in Cygwin. Full-screen subprocesses run from
* bash, in turn spawned from another full-screen process, will dump
* core when attempting to write to stdout. Opening /dev/tty
* explicitly seems to fix the problem.
*/
if (NC_ISATTY(fileno(stdout))) {
FILE *fp = fopen("/dev/tty", "w");
if (fp != 0 && NC_ISATTY(fileno(fp))) {
fclose(stdout);
dup2(fileno(fp), STDOUT_FILENO);
stdout = fdopen(STDOUT_FILENO, "w");
}
}
#endif
if (newterm(name, stdout, stdin) == 0) {
fprintf(stderr, "Error opening terminal: %s.\n", name);
exit(EXIT_FAILURE);
}
/* def_shell_mode - done in newterm/_nc_setupscreen */
#if NCURSES_SP_FUNCS
NCURSES_SP_NAME(def_prog_mode) (CURRENT_SCREEN);
#else
def_prog_mode();
#endif
}
result = stdscr;
_nc_unlock_global(curses);
returnWin(result);
}
_nc_freeall(void)
{
WINDOWLIST *p, *q;
static va_list empty_va;
T((T_CALLED("_nc_freeall()")));
#if NO_LEAKS
if (SP != 0) {
if (SP->_oldnum_list != 0) {
FreeAndNull(SP->_oldnum_list);
}
if (SP->_panelHook.destroy != 0) {
SP->_panelHook.destroy(SP->_panelHook.stdscr_pseudo_panel);
}
}
#endif
if (SP != 0) {
_nc_lock_global(curses);
while (_nc_windows != 0) {
bool deleted = FALSE;
/* Delete only windows that're not a parent */
for (each_window(p)) {
bool found = FALSE;
for (each_window(q)) {
if ((p != q)
&& (q->win._flags & _SUBWIN)
&& (&(p->win) == q->win._parent)) {
found = TRUE;
break;
}
}
if (!found) {
if (delwin(&(p->win)) != ERR)
deleted = TRUE;
break;
}
}
/*
* Don't continue to loop if the list is trashed.
*/
if (!deleted)
break;
}
delscreen(SP);
_nc_unlock_global(curses);
}
static void
show_window_sizes(const char *name)
{
WINDOWLIST *wp;
_nc_lock_global(curses);
_tracef("%s resizing: %2d x %2d (%2d x %2d)", name, LINES, COLS,
screen_lines, screen_columns);
for (each_window(wp)) {
_tracef(" window %p is %2ld x %2ld at %2ld,%2ld",
&(wp->win),
(long) wp->win._maxy + 1,
(long) wp->win._maxx + 1,
(long) wp->win._begy,
(long) wp->win._begx);
}
_nc_unlock_global(curses);
}
del_curterm(TERMINAL * termp)
{
int rc = ERR;
T((T_CALLED("del_curterm(%p)"), termp));
_nc_lock_global(curses);
if (termp != 0) {
_nc_free_termtype(&(termp->type));
FreeIfNeeded(termp->_termname);
free(termp);
if (termp == cur_term)
set_curterm(0);
rc = OK;
}
_nc_unlock_global(curses);
returnCode(rc);
}
_nc_use_tracef(unsigned mask)
{
bool result = FALSE;
_nc_lock_global(tst_tracef);
if (!_nc_globals.nested_tracef++) {
if ((result = (_nc_tracing & (mask))) != 0
&& _nc_try_global(tracef) == 0) {
/* we will call _nc_locked_tracef(), no nesting so far */
} else {
/* we will not call _nc_locked_tracef() */
_nc_globals.nested_tracef = 0;
}
} else {
/* we may call _nc_locked_tracef(), but with nested_tracef > 0 */
result = (_nc_tracing & (mask));
}
_nc_unlock_global(tst_tracef);
return result;
}
static NCURSES_INLINE int
fifo_pull(SCREEN *sp)
{
int ch;
ch = sp->_fifo[head];
TR(TRACE_IEVENT, ("pulling %s from %d", _nc_tracechar(sp, ch), head));
if (peek == head) {
h_inc();
peek = head;
} else
h_inc();
#ifdef TRACE
if (USE_TRACEF(TRACE_IEVENT)) {
_nc_fifo_dump(sp);
_nc_unlock_global(tracef);
}
#endif
return ch;
}
use_screen(SCREEN *screen, NCURSES_SCREEN_CB func, void *data)
{
SCREEN *save_SP;
int code = OK;
T((T_CALLED("use_screen(%p,%p,%p)"), screen, func, data));
/*
* FIXME - add a flag so a given thread can check if _it_ has already
* recurred through this point, return an error if so.
*/
_nc_lock_global(curses);
save_SP = SP;
set_term(screen);
code = func(screen, data);
set_term(save_SP);
_nc_unlock_global(curses);
returnCode(code);
}
set_term(SCREEN *screenp)
{
SCREEN *oldSP;
SCREEN *newSP;
T((T_CALLED("set_term(%p)"), screenp));
_nc_lock_global(curses);
oldSP = SP;
_nc_set_screen(screenp);
newSP = SP;
if (newSP != 0) {
set_curterm(newSP->_term);
#if !USE_REENTRANT
curscr = newSP->_curscr;
newscr = newSP->_newscr;
stdscr = newSP->_stdscr;
COLORS = newSP->_color_count;
COLOR_PAIRS = newSP->_pair_count;
#endif
} else {
set_curterm(0);
#if !USE_REENTRANT
curscr = 0;
newscr = 0;
stdscr = 0;
COLORS = 0;
COLOR_PAIRS = 0;
#endif
}
_nc_unlock_global(curses);
T((T_RETURN("%p"), oldSP));
return (oldSP);
}
set_term(SCREEN *screenp)
{
SCREEN *oldSP;
SCREEN *newSP;
T((T_CALLED("set_term(%p)"), (void *) screenp));
_nc_lock_global(curses);
oldSP = CURRENT_SCREEN;
_nc_set_screen(screenp);
newSP = screenp;
if (newSP != 0) {
TINFO_SET_CURTERM(newSP, newSP->_term);
#if !USE_REENTRANT
curscr = CurScreen(newSP);
newscr = NewScreen(newSP);
stdscr = StdScreen(newSP);
COLORS = newSP->_color_count;
COLOR_PAIRS = newSP->_pair_count;
#endif
} else {
TINFO_SET_CURTERM(oldSP, 0);
#if !USE_REENTRANT
curscr = 0;
newscr = 0;
stdscr = 0;
COLORS = 0;
COLOR_PAIRS = 0;
#endif
}
_nc_unlock_global(curses);
T((T_RETURN("%p"), (void *) oldSP));
return (oldSP);
}
delwin(WINDOW *win)
{
int result = ERR;
T((T_CALLED("delwin(%p)"), win));
if (_nc_try_global(curses) == 0) {
if (win == 0
|| cannot_delete(win)) {
result = ERR;
} else {
if (win->_flags & _SUBWIN)
touchwin(win->_parent);
else if (curscr != 0)
touchwin(curscr);
result = _nc_freewin(win);
}
_nc_unlock_global(curses);
}
returnCode(result);
}
static bool
_nc_mouse_parse(SCREEN *sp, int runcount)
/* parse a run of atomic mouse events into a gesture */
{
MEVENT *eventp = sp->_mouse_eventp;
MEVENT *next, *ep;
MEVENT *first_valid = NULL;
MEVENT *first_invalid = NULL;
int n;
int b;
bool merge;
bool endLoop;
TR(MY_TRACE, ("_nc_mouse_parse(%d) called", runcount));
/*
* When we enter this routine, the event list next-free pointer
* points just past a run of mouse events that we know were separated
* in time by less than the critical click interval. The job of this
* routine is to collapse this run into a single higher-level event
* or gesture.
*
* We accomplish this in two passes. The first pass merges press/release
* pairs into click events. The second merges runs of click events into
* double or triple-click events.
*
* It's possible that the run may not resolve to a single event (for
* example, if the user quadruple-clicks). If so, leading events
* in the run are ignored if user does not call getmouse in a loop (getting
* them from newest to older).
*
* Note that this routine is independent of the format of the specific
* format of the pointing-device's reports. We can use it to parse
* gestures on anything that reports press/release events on a per-
* button basis, as long as the device-dependent mouse code puts stuff
* on the queue in MEVENT format.
*/
/*
* Reset all events that were not set, in case the user sometimes calls
* getmouse only once and other times until there are no more events in
* queue.
*
* This also allows reaching the beginning of the run.
*/
ep = eventp;
for (n = runcount; n < EV_MAX; n++) {
Invalidate(ep);
ep = NEXT(ep);
}
#ifdef TRACE
if (USE_TRACEF(TRACE_IEVENT)) {
_trace_slot(sp, "before mouse press/release merge:");
_tracef("_nc_mouse_parse: run starts at %ld, ends at %ld, count %d",
RunParams(sp, eventp, ep),
runcount);
_nc_unlock_global(tracef);
}
#endif /* TRACE */
/* first pass; merge press/release pairs */
endLoop = FALSE;
while (!endLoop) {
next = NEXT(ep);
if (next == eventp) {
/* Will end the loop, but compact before */
endLoop = TRUE;
} else {
#define MASK_CHANGED(x) (!(ep->bstate & MASK_PRESS(x)) \
== !(next->bstate & MASK_RELEASE(x)))
if (ValidEvent(ep) && ValidEvent(next)
&& ep->x == next->x && ep->y == next->y
&& (ep->bstate & BUTTON_PRESSED)
&& (!(next->bstate & BUTTON_PRESSED))) {
bool changed = TRUE;
for (b = 1; b <= MAX_BUTTONS; ++b) {
if (!MASK_CHANGED(b)) {
changed = FALSE;
break;
}
}
if (changed) {
merge = FALSE;
for (b = 1; b <= MAX_BUTTONS; ++b) {
if ((sp->_mouse_mask & MASK_CLICK(b))
&& (ep->bstate & MASK_PRESS(b))) {
next->bstate &= ~MASK_RELEASE(b);
next->bstate |= MASK_CLICK(b);
merge = TRUE;
}
}
if (merge) {
Invalidate(ep);
}
}
}
}
/* Compact valid events */
if (!ValidEvent(ep)) {
if ((first_valid != NULL) && (first_invalid == NULL)) {
first_invalid = ep;
}
} else {
if (first_valid == NULL) {
first_valid = ep;
} else if (first_invalid != NULL) {
*first_invalid = *ep;
Invalidate(ep);
first_invalid = NEXT(first_invalid);
}
}
ep = next;
}
if (first_invalid != NULL) {
eventp = first_invalid;
}
#ifdef TRACE
if (USE_TRACEF(TRACE_IEVENT)) {
_trace_slot(sp, "before mouse click merge:");
if (first_valid == NULL) {
_tracef("_nc_mouse_parse: no valid event");
} else {
_tracef("_nc_mouse_parse: run starts at %ld, ends at %ld, count %d",
RunParams(sp, eventp, first_valid),
runcount);
_nc_unlock_global(tracef);
}
}
#endif /* TRACE */
/*
* Second pass; merge click runs. We merge click events forward in the
* queue. For example, double click can be changed to triple click.
*
* NOTE: There is a problem with this design! If the application
* allows enough click events to pile up in the circular queue so
* they wrap around, it will cheerfully merge the newest forward
* into the oldest, creating a bogus doubleclick and confusing
* the queue-traversal logic rather badly. Generally this won't
* happen, because calling getmouse() marks old events invalid and
* ineligible for merges. The true solution to this problem would
* be to timestamp each MEVENT and perform the obvious sanity check,
* but the timer element would have to have sub-second resolution,
* which would get us into portability trouble.
*/
first_invalid = NULL;
endLoop = (first_valid == NULL);
ep = first_valid;
while (!endLoop) {
next = NEXT(ep);
if (next == eventp) {
/* Will end the loop, but check event type and compact before */
endLoop = TRUE;
} else if (!ValidEvent(next)) {
continue;
} else {
/* merge click events forward */
if ((ep->bstate & BUTTON_CLICKED)
&& (next->bstate & BUTTON_CLICKED)) {
merge = FALSE;
for (b = 1; b <= MAX_BUTTONS; ++b) {
if ((sp->_mouse_mask & MASK_DOUBLE_CLICK(b))
&& (ep->bstate & MASK_CLICK(b))
&& (next->bstate & MASK_CLICK(b))) {
next->bstate &= ~MASK_CLICK(b);
next->bstate |= MASK_DOUBLE_CLICK(b);
merge = TRUE;
}
}
if (merge) {
Invalidate(ep);
}
}
/* merge double-click events forward */
if ((ep->bstate & BUTTON_DOUBLE_CLICKED)
&& (next->bstate & BUTTON_CLICKED)) {
merge = FALSE;
for (b = 1; b <= MAX_BUTTONS; ++b) {
if ((sp->_mouse_mask & MASK_TRIPLE_CLICK(b))
&& (ep->bstate & MASK_DOUBLE_CLICK(b))
&& (next->bstate & MASK_CLICK(b))) {
next->bstate &= ~MASK_CLICK(b);
next->bstate |= MASK_TRIPLE_CLICK(b);
merge = TRUE;
}
}
if (merge) {
Invalidate(ep);
}
}
}
/* Discard event if it does not match event mask */
if (!(ep->bstate & sp->_mouse_mask2)) {
Invalidate(ep);
}
/* Compact valid events */
if (!ValidEvent(ep)) {
if (ep == first_valid) {
first_valid = next;
} else if (first_invalid == NULL) {
first_invalid = ep;
}
} else if (first_invalid != NULL) {
*first_invalid = *ep;
Invalidate(ep);
first_invalid = NEXT(first_invalid);
}
ep = next;
}
if (first_invalid == NULL) {
first_invalid = eventp;
}
sp->_mouse_eventp = first_invalid;
#ifdef TRACE
if (first_valid != NULL) {
if (USE_TRACEF(TRACE_IEVENT)) {
_trace_slot(sp, "after mouse event queue compaction:");
_tracef("_nc_mouse_parse: run starts at %ld, ends at %ld, count %d",
RunParams(sp, first_invalid, first_valid),
runcount);
_nc_unlock_global(tracef);
}
for (ep = first_valid; ep != first_invalid; ep = NEXT(ep)) {
if (ValidEvent(ep))
TR(MY_TRACE,
("_nc_mouse_parse: returning composite mouse event %s at slot %ld",
_nc_tracemouse(sp, ep),
(long) IndexEV(sp, ep)));
}
}
#endif /* TRACE */
/* after all this, do we have a valid event? */
return ValidEvent(PREV(first_invalid));
}
newterm(NCURSES_CONST char *name, FILE *ofp, FILE *ifp)
{
int value;
int errret;
SCREEN *current;
SCREEN *result = 0;
TERMINAL *its_term;
START_TRACE();
T((T_CALLED("newterm(\"%s\",%p,%p)"), name, ofp, ifp));
_nc_init_pthreads();
_nc_lock_global(curses);
current = SP;
its_term = (SP ? SP->_term : 0);
/* this loads the capability entry, then sets LINES and COLS */
if (setupterm(name, fileno(ofp), &errret) != ERR) {
int slk_format = _nc_globals.slk_format;
/*
* This actually allocates the screen structure, and saves the original
* terminal settings.
*/
_nc_set_screen(0);
/* allow user to set maximum escape delay from the environment */
if ((value = _nc_getenv_num("ESCDELAY")) >= 0) {
set_escdelay(value);
}
if (_nc_setupscreen(LINES,
COLS,
ofp,
_nc_prescreen.filter_mode,
slk_format) == ERR) {
_nc_set_screen(current);
result = 0;
} else {
assert(SP != 0);
/*
* In setupterm() we did a set_curterm(), but it was before we set
* SP. So the "current" screen's terminal pointer was overwritten
* with a different terminal. Later, in _nc_setupscreen(), we set
* SP and the terminal pointer in the new screen.
*
* Restore the terminal-pointer for the pre-existing screen, if
* any.
*/
if (current)
current->_term = its_term;
/* if the terminal type has real soft labels, set those up */
if (slk_format && num_labels > 0 && SLK_STDFMT(slk_format))
_nc_slk_initialize(stdscr, COLS);
SP->_ifd = fileno(ifp);
typeahead(fileno(ifp));
#ifdef TERMIOS
SP->_use_meta = ((cur_term->Ottyb.c_cflag & CSIZE) == CS8 &&
!(cur_term->Ottyb.c_iflag & ISTRIP));
#else
SP->_use_meta = FALSE;
#endif
SP->_endwin = FALSE;
/*
* Check whether we can optimize scrolling under dumb terminals in
* case we do not have any of these capabilities, scrolling
* optimization will be useless.
*/
SP->_scrolling = ((scroll_forward && scroll_reverse) ||
((parm_rindex ||
parm_insert_line ||
insert_line) &&
(parm_index ||
parm_delete_line ||
delete_line)));
baudrate(); /* sets a field in the SP structure */
SP->_keytry = 0;
/*
* Check for mismatched graphic-rendition capabilities. Most SVr4
* terminfo trees contain entries that have rmul or rmso equated to
* sgr0 (Solaris curses copes with those entries). We do this only
* for curses, since many termcap applications assume that
* smso/rmso and smul/rmul are paired, and will not function
* properly if we remove rmso or rmul. Curses applications
* shouldn't be looking at this detail.
*/
#define SGR0_TEST(mode) (mode != 0) && (exit_attribute_mode == 0 || strcmp(mode, exit_attribute_mode))
SP->_use_rmso = SGR0_TEST(exit_standout_mode);
SP->_use_rmul = SGR0_TEST(exit_underline_mode);
/* compute movement costs so we can do better move optimization */
_nc_mvcur_init();
/* initialize terminal to a sane state */
_nc_screen_init();
/* Initialize the terminal line settings. */
_nc_initscr();
_nc_signal_handler(TRUE);
result = SP;
}
}
_nc_unlock_global(curses);
returnSP(result);
}
copywin(const WINDOW *src, WINDOW *dst,
int sminrow, int smincol,
int dminrow, int dmincol,
int dmaxrow, int dmaxcol,
int over)
{
int rc = ERR;
int sx, sy, dx, dy;
bool touched;
attr_t bk;
attr_t mask;
T((T_CALLED("copywin(%p, %p, %d, %d, %d, %d, %d, %d, %d)"),
src, dst, sminrow, smincol, dminrow, dmincol, dmaxrow, dmaxcol, over));
if (src && dst) {
_nc_lock_global(curses);
bk = AttrOf(dst->_nc_bkgd);
mask = ~(attr_t) ((bk & A_COLOR) ? A_COLOR : 0);
/* make sure rectangle exists in source */
if ((sminrow + dmaxrow - dminrow) <= (src->_maxy + 1) &&
(smincol + dmaxcol - dmincol) <= (src->_maxx + 1)) {
T(("rectangle exists in source"));
/* make sure rectangle fits in destination */
if (dmaxrow <= dst->_maxy && dmaxcol <= dst->_maxx) {
T(("rectangle fits in destination"));
for (dy = dminrow, sy = sminrow;
dy <= dmaxrow;
sy++, dy++) {
touched = FALSE;
for (dx = dmincol, sx = smincol;
dx <= dmaxcol;
sx++, dx++) {
if (over) {
if ((CharOf(src->_line[sy].text[sx]) != L(' ')) &&
(!CharEq(dst->_line[dy].text[dx],
src->_line[sy].text[sx]))) {
dst->_line[dy].text[dx] =
src->_line[sy].text[sx];
SetAttr(dst->_line[dy].text[dx],
((AttrOf(src->_line[sy].text[sx]) &
mask) | bk));
touched = TRUE;
}
} else {
if (!CharEq(dst->_line[dy].text[dx],
src->_line[sy].text[sx])) {
dst->_line[dy].text[dx] =
src->_line[sy].text[sx];
touched = TRUE;
}
}
}
if (touched) {
touchline(dst, dminrow, (dmaxrow - dminrow + 1));
}
}
T(("finished copywin"));
rc = OK;
}
}
_nc_unlock_global(curses);
}
returnCode(rc);
}
wresize(WINDOW *win, int ToLines, int ToCols)
{
int col, row, size_x, size_y;
struct ldat *pline;
struct ldat *new_lines = 0;
#ifdef TRACE
T((T_CALLED("wresize(%p,%d,%d)"), win, ToLines, ToCols));
if (win) {
TR(TRACE_UPDATE, ("...beg (%ld, %ld), max(%ld,%ld), reg(%ld,%ld)",
(long) win->_begy, (long) win->_begx,
(long) win->_maxy, (long) win->_maxx,
(long) win->_regtop, (long) win->_regbottom));
if (USE_TRACEF(TRACE_UPDATE)) {
_tracedump("...before", win);
_nc_unlock_global(tracef);
}
}
#endif
if (!win || --ToLines < 0 || --ToCols < 0)
returnCode(ERR);
size_x = win->_maxx;
size_y = win->_maxy;
if (ToLines == size_y
&& ToCols == size_x)
returnCode(OK);
if ((win->_flags & _SUBWIN)) {
/*
* Check if the new limits will fit into the parent window's size. If
* not, do not resize. We could adjust the location of the subwindow,
* but the application may not like that.
*/
if (win->_pary + ToLines > win->_parent->_maxy
|| win->_parx + ToCols > win->_parent->_maxx) {
returnCode(ERR);
}
pline = win->_parent->_line;
} else {
pline = 0;
}
/*
* Allocate new memory as needed. Do the allocations without modifying
* the original window, in case an allocation fails. Always allocate
* (at least temporarily) the array pointing to the individual lines.
*/
new_lines = typeCalloc(struct ldat, (unsigned) (ToLines + 1));
if (new_lines == 0)
returnCode(ERR);
/*
* For each line in the target, allocate or adjust pointers for the
* corresponding text, depending on whether this is a window or a
* subwindow.
*/
for (row = 0; row <= ToLines; ++row) {
int begin = (row > size_y) ? 0 : (size_x + 1);
int end = ToCols;
NCURSES_CH_T *s;
if (!(win->_flags & _SUBWIN)) {
if (row <= size_y) {
if (ToCols != size_x) {
if ((s = typeMalloc(NCURSES_CH_T, ToCols + 1)) == 0)
returnCode(cleanup_lines(new_lines, row));
for (col = 0; col <= ToCols; ++col) {
s[col] = (col <= size_x
? win->_line[row].text[col]
: win->_nc_bkgd);
}
} else {
s = win->_line[row].text;
}
} else {
if ((s = typeMalloc(NCURSES_CH_T, ToCols + 1)) == 0)
returnCode(cleanup_lines(new_lines, row));
for (col = 0; col <= ToCols; ++col)
s[col] = win->_nc_bkgd;
}
} else {
s = &pline[win->_pary + row].text[win->_parx];
}
if_USE_SCROLL_HINTS(new_lines[row].oldindex = row);
if (row <= size_y) {
new_lines[row].firstchar = win->_line[row].firstchar;
new_lines[row].lastchar = win->_line[row].lastchar;
}
if ((ToCols != size_x) || (row > size_y)) {
if (end >= begin) { /* growing */
if (new_lines[row].firstchar < begin)
new_lines[row].firstchar = begin;
} else { /* shrinking */
new_lines[row].firstchar = 0;
}
new_lines[row].lastchar = ToCols;
}
new_lines[row].text = s;
}
/*
* Dispose of unwanted memory.
*/
if (!(win->_flags & _SUBWIN)) {
if (ToCols == size_x) {
for (row = ToLines + 1; row <= size_y; row++) {
free(win->_line[row].text);
}
} else {
for (row = 0; row <= size_y; row++) {
free(win->_line[row].text);
}
}
}
free(win->_line);
win->_line = new_lines;
/*
* Finally, adjust the parameters showing screen size and cursor
* position:
*/
win->_maxx = ToCols;
win->_maxy = ToLines;
if (win->_regtop > win->_maxy)
win->_regtop = win->_maxy;
if (win->_regbottom > win->_maxy
|| win->_regbottom == size_y)
win->_regbottom = win->_maxy;
if (win->_curx > win->_maxx)
win->_curx = win->_maxx;
if (win->_cury > win->_maxy)
win->_cury = win->_maxy;
/*
* Check for subwindows of this one, and readjust pointers to our text,
* if needed.
*/
repair_subwindows(win);
#ifdef TRACE
TR(TRACE_UPDATE, ("...beg (%ld, %ld), max(%ld,%ld), reg(%ld,%ld)",
(long) win->_begy, (long) win->_begx,
(long) win->_maxy, (long) win->_maxx,
(long) win->_regtop, (long) win->_regbottom));
if (USE_TRACEF(TRACE_UPDATE)) {
_tracedump("...after:", win);
_nc_unlock_global(tracef);
}
#endif
returnCode(OK);
}
tputs(const char *string, int affcnt, int (*outc) (int))
{
bool always_delay;
bool normal_delay;
int number;
#if BSD_TPUTS
int trailpad;
#endif /* BSD_TPUTS */
#ifdef TRACE
char addrbuf[32];
if (USE_TRACEF(TRACE_TPUTS)) {
if (outc == _nc_outch)
(void) strcpy(addrbuf, "_nc_outch");
else
(void) sprintf(addrbuf, "%p", outc);
if (_nc_tputs_trace) {
_tracef("tputs(%s = %s, %d, %s) called", _nc_tputs_trace,
_nc_visbuf(string), affcnt, addrbuf);
} else {
_tracef("tputs(%s, %d, %s) called", _nc_visbuf(string), affcnt, addrbuf);
}
TPUTS_TRACE(NULL);
_nc_unlock_global(tracef);
}
#endif /* TRACE */
if (!VALID_STRING(string))
return ERR;
if (cur_term == 0) {
always_delay = FALSE;
normal_delay = TRUE;
} else {
always_delay = (string == bell) || (string == flash_screen);
normal_delay =
!xon_xoff
&& padding_baud_rate
#if NCURSES_NO_PADDING
&& !GetNoPadding(SP)
#endif
&& (_nc_baudrate(ospeed) >= padding_baud_rate);
}
#if BSD_TPUTS
/*
* This ugly kluge deals with the fact that some ancient BSD programs
* (like nethack) actually do the likes of tputs("50") to get delays.
*/
trailpad = 0;
if (isdigit(UChar(*string))) {
while (isdigit(UChar(*string))) {
trailpad = trailpad * 10 + (*string - '0');
string++;
}
trailpad *= 10;
if (*string == '.') {
string++;
if (isdigit(UChar(*string))) {
trailpad += (*string - '0');
string++;
}
while (isdigit(UChar(*string)))
string++;
}
if (*string == '*') {
trailpad *= affcnt;
string++;
}
}
#endif /* BSD_TPUTS */
my_outch = outc; /* redirect delay_output() */
while (*string) {
if (*string != '$')
(*outc) (*string);
else {
string++;
if (*string != '<') {
(*outc) ('$');
if (*string)
(*outc) (*string);
} else {
bool mandatory;
string++;
if ((!isdigit(UChar(*string)) && *string != '.')
|| !strchr(string, '>')) {
(*outc) ('$');
(*outc) ('<');
continue;
}
number = 0;
while (isdigit(UChar(*string))) {
number = number * 10 + (*string - '0');
string++;
}
number *= 10;
if (*string == '.') {
string++;
if (isdigit(UChar(*string))) {
number += (*string - '0');
string++;
}
while (isdigit(UChar(*string)))
string++;
}
mandatory = FALSE;
while (*string == '*' || *string == '/') {
if (*string == '*') {
number *= affcnt;
string++;
} else { /* if (*string == '/') */
mandatory = TRUE;
string++;
}
}
if (number > 0
&& (always_delay
|| normal_delay
|| mandatory))
delay_output(number / 10);
} /* endelse (*string == '<') */
} /* endelse (*string == '$') */
if (*string == '\0')
break;
string++;
}
#if BSD_TPUTS
/*
* Emit any BSD-style prefix padding that we've accumulated now.
*/
if (trailpad > 0
&& (always_delay || normal_delay))
delay_output(trailpad / 10);
#endif /* BSD_TPUTS */
my_outch = _nc_outch;
return OK;
}
wget_wch(WINDOW *win, wint_t *result)
{
SCREEN *sp;
int code;
char buffer[(MB_LEN_MAX * 9) + 1]; /* allow some redundant shifts */
int status;
size_t count = 0;
int value = 0;
wchar_t wch;
#ifndef state_unused
mbstate_t state;
#endif
T((T_CALLED("wget_wch(%p)"), (void *) win));
/*
* We can get a stream of single-byte characters and KEY_xxx codes from
* _nc_wgetch(), while we want to return a wide character or KEY_xxx code.
*/
_nc_lock_global(curses);
sp = _nc_screen_of(win);
if (sp != 0) {
for (;;) {
T(("reading %d of %d", (int) count + 1, (int) sizeof(buffer)));
code = _nc_wgetch(win, &value, TRUE EVENTLIST_2nd((_nc_eventlist
*) 0));
if (code == ERR) {
break;
} else if (code == KEY_CODE_YES) {
/*
* If we were processing an incomplete multibyte character,
* return an error since we have a KEY_xxx code which
* interrupts it. For some cases, we could improve this by
* writing a new version of lib_getch.c(!), but it is not clear
* whether the improvement would be worth the effort.
*/
if (count != 0) {
safe_ungetch(SP_PARM, value);
code = ERR;
}
break;
} else if (count + 1 >= sizeof(buffer)) {
safe_ungetch(SP_PARM, value);
code = ERR;
break;
} else {
buffer[count++] = (char) UChar(value);
reset_mbytes(state);
status = count_mbytes(buffer, count, state);
if (status >= 0) {
reset_mbytes(state);
if (check_mbytes(wch, buffer, count, state) != status) {
code = ERR; /* the two calls should match */
safe_ungetch(SP_PARM, value);
}
value = wch;
break;
}
}
}
} else {
code = ERR;
}
*result = (wint_t) value;
_nc_unlock_global(curses);
T(("result %#o", value));
returnCode(code);
}
delscreen(SCREEN *sp)
{
int i;
T((T_CALLED("delscreen(%p)"), (void *) sp));
_nc_lock_global(curses);
if (delink_screen(sp)) {
#ifdef USE_SP_RIPOFF
ripoff_t *rop;
if (safe_ripoff_sp && safe_ripoff_sp != safe_ripoff_stack) {
for (rop = safe_ripoff_stack;
rop != safe_ripoff_sp && (rop - safe_ripoff_stack) < N_RIPS;
rop++) {
if (rop->win) {
(void) delwin(rop->win);
rop->win = 0;
}
}
}
#endif
(void) _nc_freewin(CurScreen(sp));
(void) _nc_freewin(NewScreen(sp));
(void) _nc_freewin(StdScreen(sp));
if (sp->_slk != 0) {
if (sp->_slk->ent != 0) {
for (i = 0; i < sp->_slk->labcnt; ++i) {
FreeIfNeeded(sp->_slk->ent[i].ent_text);
FreeIfNeeded(sp->_slk->ent[i].form_text);
}
free(sp->_slk->ent);
}
free(sp->_slk);
sp->_slk = 0;
}
_nc_free_keytry(sp->_keytry);
sp->_keytry = 0;
_nc_free_keytry(sp->_key_ok);
sp->_key_ok = 0;
FreeIfNeeded(sp->_current_attr);
FreeIfNeeded(sp->_color_table);
FreeIfNeeded(sp->_color_pairs);
FreeIfNeeded(sp->oldhash);
FreeIfNeeded(sp->newhash);
FreeIfNeeded(sp->hashtab);
FreeIfNeeded(sp->_acs_map);
FreeIfNeeded(sp->_screen_acs_map);
NCURSES_SP_NAME(_nc_flush) (NCURSES_SP_ARG);
NCURSES_SP_NAME(del_curterm) (NCURSES_SP_ARGx sp->_term);
free(sp);
/*
* If this was the current screen, reset everything that the
* application might try to use (except cur_term, which may have
* multiple references in different screens).
*/
if (sp == CURRENT_SCREEN) {
#if !USE_REENTRANT
curscr = 0;
newscr = 0;
stdscr = 0;
COLORS = 0;
COLOR_PAIRS = 0;
#endif
_nc_set_screen(0);
}
}
_nc_unlock_global(curses);
returnVoid;
}
static bool
_nc_mouse_parse(SCREEN *sp, int runcount)
/* parse a run of atomic mouse events into a gesture */
{
MEVENT *eventp = sp->_mouse_eventp;
MEVENT *ep, *runp, *next, *prev = PREV(eventp);
int n;
int b;
bool merge;
TR(MY_TRACE, ("_nc_mouse_parse(%d) called", runcount));
/*
* When we enter this routine, the event list next-free pointer
* points just past a run of mouse events that we know were separated
* in time by less than the critical click interval. The job of this
* routine is to collapse this run into a single higher-level event
* or gesture.
*
* We accomplish this in two passes. The first pass merges press/release
* pairs into click events. The second merges runs of click events into
* double or triple-click events.
*
* It's possible that the run may not resolve to a single event (for
* example, if the user quadruple-clicks). If so, leading events
* in the run are ignored.
*
* Note that this routine is independent of the format of the specific
* format of the pointing-device's reports. We can use it to parse
* gestures on anything that reports press/release events on a per-
* button basis, as long as the device-dependent mouse code puts stuff
* on the queue in MEVENT format.
*/
if (runcount == 1) {
TR(MY_TRACE,
("_nc_mouse_parse: returning simple mouse event %s at slot %ld",
_nc_tracemouse(sp, prev),
(long) IndexEV(sp, prev)));
return (prev->id >= NORMAL_EVENT)
? ((prev->bstate & sp->_mouse_mask) ? TRUE : FALSE)
: FALSE;
}
/* find the start of the run */
runp = eventp;
for (n = runcount; n > 0; n--) {
runp = PREV(runp);
}
#ifdef TRACE
if (USE_TRACEF(TRACE_IEVENT)) {
_trace_slot(sp, "before mouse press/release merge:");
_tracef("_nc_mouse_parse: run starts at %ld, ends at %ld, count %d",
RunParams(sp, eventp, runp),
runcount);
_nc_unlock_global(tracef);
}
#endif /* TRACE */
/* first pass; merge press/release pairs */
do {
merge = FALSE;
for (ep = runp; (next = NEXT(ep)) != eventp; ep = next) {
#define MASK_CHANGED(x) (!(ep->bstate & MASK_PRESS(x)) \
== !(next->bstate & MASK_RELEASE(x)))
if (ep->x == next->x && ep->y == next->y
&& (ep->bstate & BUTTON_PRESSED)
&& MASK_CHANGED(1)
&& MASK_CHANGED(2)
&& MASK_CHANGED(3)
&& MASK_CHANGED(4)
#if NCURSES_MOUSE_VERSION == 2
&& MASK_CHANGED(5)
#endif
) {
for (b = 1; b <= MAX_BUTTONS; ++b) {
if ((sp->_mouse_mask & MASK_CLICK(b))
&& (ep->bstate & MASK_PRESS(b))) {
ep->bstate &= ~MASK_PRESS(b);
ep->bstate |= MASK_CLICK(b);
merge = TRUE;
}
}
if (merge)
next->id = INVALID_EVENT;
}
}
} while
(merge);
#ifdef TRACE
if (USE_TRACEF(TRACE_IEVENT)) {
_trace_slot(sp, "before mouse click merge:");
_tracef("_nc_mouse_parse: run starts at %ld, ends at %ld, count %d",
RunParams(sp, eventp, runp),
runcount);
_nc_unlock_global(tracef);
}
#endif /* TRACE */
/*
* Second pass; merge click runs. At this point, click events are
* each followed by one invalid event. We merge click events
* forward in the queue.
*
* NOTE: There is a problem with this design! If the application
* allows enough click events to pile up in the circular queue so
* they wrap around, it will cheerfully merge the newest forward
* into the oldest, creating a bogus doubleclick and confusing
* the queue-traversal logic rather badly. Generally this won't
* happen, because calling getmouse() marks old events invalid and
* ineligible for merges. The true solution to this problem would
* be to timestamp each MEVENT and perform the obvious sanity check,
* but the timer element would have to have sub-second resolution,
* which would get us into portability trouble.
*/
do {
MEVENT *follower;
merge = FALSE;
for (ep = runp; (next = NEXT(ep)) != eventp; ep = next)
if (ep->id != INVALID_EVENT) {
if (next->id != INVALID_EVENT)
continue;
follower = NEXT(next);
if (follower->id == INVALID_EVENT)
continue;
/* merge click events forward */
if ((ep->bstate & BUTTON_CLICKED)
&& (follower->bstate & BUTTON_CLICKED)) {
for (b = 1; b <= MAX_BUTTONS; ++b) {
if ((sp->_mouse_mask & MASK_DOUBLE_CLICK(b))
&& (follower->bstate & MASK_CLICK(b))) {
follower->bstate &= ~MASK_CLICK(b);
follower->bstate |= MASK_DOUBLE_CLICK(b);
merge = TRUE;
}
}
if (merge)
ep->id = INVALID_EVENT;
}
/* merge double-click events forward */
if ((ep->bstate & BUTTON_DOUBLE_CLICKED)
&& (follower->bstate & BUTTON_CLICKED)) {
for (b = 1; b <= MAX_BUTTONS; ++b) {
if ((sp->_mouse_mask & MASK_TRIPLE_CLICK(b))
&& (follower->bstate & MASK_CLICK(b))) {
follower->bstate &= ~MASK_CLICK(b);
follower->bstate |= MASK_TRIPLE_CLICK(b);
merge = TRUE;
}
}
if (merge)
ep->id = INVALID_EVENT;
}
}
} while
(merge);
#ifdef TRACE
if (USE_TRACEF(TRACE_IEVENT)) {
_trace_slot(sp, "before mouse event queue compaction:");
_tracef("_nc_mouse_parse: run starts at %ld, ends at %ld, count %d",
RunParams(sp, eventp, runp),
runcount);
_nc_unlock_global(tracef);
}
#endif /* TRACE */
/*
* Now try to throw away trailing events flagged invalid, or that
* don't match the current event mask.
*/
for (; runcount; prev = PREV(eventp), runcount--)
if (prev->id == INVALID_EVENT || !(prev->bstate & sp->_mouse_mask)) {
sp->_mouse_eventp = eventp = prev;
}
#ifdef TRACE
if (USE_TRACEF(TRACE_IEVENT)) {
_trace_slot(sp, "after mouse event queue compaction:");
_tracef("_nc_mouse_parse: run starts at %ld, ends at %ld, count %d",
RunParams(sp, eventp, runp),
runcount);
_nc_unlock_global(tracef);
}
for (ep = runp; ep != eventp; ep = NEXT(ep))
if (ep->id != INVALID_EVENT)
TR(MY_TRACE,
("_nc_mouse_parse: returning composite mouse event %s at slot %ld",
_nc_tracemouse(sp, ep),
(long) IndexEV(sp, ep)));
#endif /* TRACE */
/* after all this, do we have a valid event? */
return (PREV(eventp)->id != INVALID_EVENT);
}
dupwin(WINDOW *win)
/* make an exact duplicate of the given window */
{
WINDOW *nwin = 0;
size_t linesize;
int i;
T((T_CALLED("dupwin(%p)"), (void *) win));
if (win != 0) {
#if NCURSES_SP_FUNCS
SCREEN *sp = _nc_screen_of(win);
#endif
_nc_lock_global(curses);
if (win->_flags & _ISPAD) {
nwin = NCURSES_SP_NAME(newpad) (NCURSES_SP_ARGx
win->_maxy + 1,
win->_maxx + 1);
} else {
nwin = NCURSES_SP_NAME(newwin) (NCURSES_SP_ARGx
win->_maxy + 1,
win->_maxx + 1,
win->_begy,
win->_begx);
}
if (nwin != 0) {
nwin->_curx = win->_curx;
nwin->_cury = win->_cury;
nwin->_maxy = win->_maxy;
nwin->_maxx = win->_maxx;
nwin->_begy = win->_begy;
nwin->_begx = win->_begx;
nwin->_yoffset = win->_yoffset;
nwin->_flags = win->_flags & ~_SUBWIN;
/* Due to the use of newwin(), the clone is not a subwindow.
* The text is really copied into the clone.
*/
WINDOW_ATTRS(nwin) = WINDOW_ATTRS(win);
nwin->_nc_bkgd = win->_nc_bkgd;
nwin->_notimeout = win->_notimeout;
nwin->_clear = win->_clear;
nwin->_leaveok = win->_leaveok;
nwin->_scroll = win->_scroll;
nwin->_idlok = win->_idlok;
nwin->_idcok = win->_idcok;
nwin->_immed = win->_immed;
nwin->_sync = win->_sync;
nwin->_use_keypad = win->_use_keypad;
nwin->_delay = win->_delay;
nwin->_parx = 0;
nwin->_pary = 0;
nwin->_parent = (WINDOW *) 0;
/* See above: the clone isn't a subwindow! */
nwin->_regtop = win->_regtop;
nwin->_regbottom = win->_regbottom;
if (win->_flags & _ISPAD)
nwin->_pad = win->_pad;
linesize = (unsigned) (win->_maxx + 1) * sizeof(NCURSES_CH_T);
for (i = 0; i <= nwin->_maxy; i++) {
memcpy(nwin->_line[i].text, win->_line[i].text, linesize);
nwin->_line[i].firstchar = win->_line[i].firstchar;
nwin->_line[i].lastchar = win->_line[i].lastchar;
}
}
_nc_unlock_global(curses);
}
returnWin(nwin);
}
delscreen(SCREEN *sp)
{
int i;
T((T_CALLED("delscreen(%p)"), sp));
_nc_lock_global(curses);
if (delink_screen(sp)) {
(void) _nc_freewin(sp->_curscr);
(void) _nc_freewin(sp->_newscr);
(void) _nc_freewin(sp->_stdscr);
if (sp->_slk != 0) {
if (sp->_slk->ent != 0) {
for (i = 0; i < sp->_slk->labcnt; ++i) {
FreeIfNeeded(sp->_slk->ent[i].ent_text);
FreeIfNeeded(sp->_slk->ent[i].form_text);
}
free(sp->_slk->ent);
}
free(sp->_slk);
sp->_slk = 0;
}
_nc_free_keytry(sp->_keytry);
sp->_keytry = 0;
_nc_free_keytry(sp->_key_ok);
sp->_key_ok = 0;
FreeIfNeeded(sp->_current_attr);
FreeIfNeeded(sp->_color_table);
FreeIfNeeded(sp->_color_pairs);
FreeIfNeeded(sp->oldhash);
FreeIfNeeded(sp->newhash);
FreeIfNeeded(sp->hashtab);
FreeIfNeeded(sp->_acs_map);
FreeIfNeeded(sp->_screen_acs_map);
/*
* If the associated output stream has been closed, we can discard the
* set-buffer. Limit the error check to EBADF, since fflush may fail
* for other reasons than trying to operate upon a closed stream.
*/
if (sp->_ofp != 0
&& sp->_setbuf != 0
&& fflush(sp->_ofp) != 0
&& errno == EBADF) {
free(sp->_setbuf);
}
del_curterm(sp->_term);
free(sp);
/*
* If this was the current screen, reset everything that the
* application might try to use (except cur_term, which may have
* multiple references in different screens).
*/
if (sp == SP) {
#if !USE_REENTRANT
curscr = 0;
newscr = 0;
stdscr = 0;
COLORS = 0;
COLOR_PAIRS = 0;
#endif
_nc_set_screen(0);
}
}
_nc_unlock_global(curses);
returnVoid;
}