void
tty_draw_hline (int y, int x, int ch, int len)
{
if (ch == ACS_HLINE)
ch = mc_tty_frm[MC_TTY_FRM_HORIZ];
if ((y < 0) || (x < 0))
{
y = SLsmg_get_row ();
x = SLsmg_get_column ();
}
else
SLsmg_gotorc (y, x);
if (ch == 0)
ch = ACS_HLINE;
if (ch == ACS_HLINE)
SLsmg_draw_hline (len);
else
while (len-- != 0)
tty_print_char (ch);
SLsmg_gotorc (y, x);
}
void
tty_draw_vline (int y, int x, int ch, int len)
{
if (ch == ACS_VLINE)
ch = mc_tty_frm[MC_TTY_FRM_VERT];
if ((y < 0) || (x < 0))
{
y = SLsmg_get_row ();
x = SLsmg_get_column ();
}
else
SLsmg_gotorc (y, x);
if (ch == 0)
ch = ACS_VLINE;
if (ch == ACS_VLINE)
SLsmg_draw_vline (len);
else
{
int pos = 0;
while (len-- != 0)
{
SLsmg_gotorc (y + pos, x);
tty_print_char (ch);
pos++;
}
}
SLsmg_gotorc (y, x);
}
extern void
tty_getyx(int *py, int *px)
{
#ifdef HAVE_SLANG
*px = SLsmg_get_column();
*py = SLsmg_get_row();
#else
getyx(stdscr, *py, *px);
#endif
}
extern void
tty_print_alt_char(int c)
{
#ifdef HAVE_SLANG
SLsmg_draw_object(SLsmg_get_row(), SLsmg_get_column(), c);
#else
acs();
addch(c);
noacs();
#endif
}
static void init_smg_for_buffer (int *rowp, int *colp)
{
SLsmg_Tab_Width = Buffer_Local.tab;
if (IN_MINI_WINDOW)
SLsmg_Newline_Behavior = SLSMG_NEWLINE_PRINTABLE;
else
SLsmg_Newline_Behavior = 0;
(void) SLsmg_embedded_escape_mode (CBuf->flags & SMG_EMBEDDED_ESCAPE);
*rowp = SLsmg_get_row ();
*colp = SLsmg_get_column ();
SLsmg_gotorc (0, 0);
}
static int update_status_line (int col_flag)
{
unsigned char star0, star1;
char buf[32], *b;
int num;
if (IN_MINI_WINDOW)
return 0;
SLsmg_gotorc (JWindow->rows + JWindow->sy, 0);
SLsmg_set_color (JSTATUS_COLOR);
b = buf;
if (JWindow->hscroll_column != 1) *b++ = '<'; else *b++ = '-';
if (CBuf->flags & BUFFER_MODIFIED) star0 = star1 = '*';
else star0 = star1 = '-';
if ((CBuf->flags & READ_ONLY)
#if JED_HAS_LINE_ATTRIBUTES
|| (CLine->flags & JED_LINE_IS_READONLY)
#endif
)
star0 = star1 = '%';
#if JED_HAS_SUBPROCESSES
if (CBuf->subprocess) star1 = 'S';
#endif
*b++ = star0;
*b++ = star1;
if (CBuf->marks != NULL) *b++ = 'm'; else *b++ = '-';
if (CBuf->flags & FILE_MODIFIED) *b++ = 'd'; else *b++ = '-';
if (CBuf->spots != NULL) *b++ = 's'; else *b++ = '-';
if (CBuf->flags & BINARY_FILE) *b++ = 'B';
#ifdef IBMPC_SYSTEM
else if ((CBuf->flags & ADD_CR_ON_WRITE_FLAG) == 0) *b++ = 'L';
#else
# ifdef __unix__
else if (CBuf->flags & ADD_CR_ON_WRITE_FLAG) *b++ = 'C';
# endif
#endif
else *b++ = '-';
if (CBuf->flags & UNDO_ENABLED) *b++ = '+'; else *b++ = '-';
SLsmg_write_nchars (buf, (unsigned int) (b - buf));
finish_status (col_flag);
if (Defining_Keyboard_Macro) SLsmg_write_string (" [Macro]");
num = Jed_Num_Screen_Cols - SLsmg_get_column ();
star1 = '-';
while (num > 0)
{
SLsmg_write_nchars ((char *) &star1, 1);
num--;
}
SLsmg_set_color (0);
Point_Cursor_Flag = 1;
return 1;
}
static void display_line (Line *line, int sy, int sx)
{
unsigned int len;
int hscroll_col;
int is_mini;
Screen_Type *s;
#if JED_HAS_LINE_MARKS
Mark *line_marks;
#endif
int num_columns;
int color_set;
SLsmg_Tab_Width = Buffer_Local.tab;
(void) SLsmg_embedded_escape_mode (CBuf->flags & SMG_EMBEDDED_ESCAPE);
is_mini = (sy + 1 == Jed_Num_Screen_Rows);
SLsmg_gotorc (sy, sx);
SLsmg_set_color (0);
s = JScreen + sy;
s->line = line;
s->is_modified = 0;
if (line == NULL)
{
SLsmg_erase_eol ();
return;
}
hscroll_col = JWindow->hscroll_column - 1;
if ((line == HScroll_Line)
&& Wants_HScroll && HScroll)
hscroll_col += HScroll;
num_columns = JWindow->width;
if (hscroll_col || sx
#if JED_HAS_DISPLAY_LINE_NUMBERS
|| (CBuf->line_num_display_size)
#endif
)
{
int tmp = hscroll_col - sx;
#if JED_HAS_DISPLAY_LINE_NUMBERS
tmp -= CBuf->line_num_display_size;
num_columns -= CBuf->line_num_display_size;
#endif
SLsmg_set_screen_start (NULL, &tmp);
sx = 0;
}
len = line->len;
if (is_mini)
{
SLsmg_Newline_Behavior = SLSMG_NEWLINE_PRINTABLE;
SLsmg_write_string ((char *)Mini_Info.prompt);
}
else
{
SLsmg_Newline_Behavior = 0;
if (len && (line->data[len - 1] == '\n'))
len--;
}
color_set = 0;
#if JED_HAS_LINE_ATTRIBUTES
if (line->flags & JED_LINE_COLOR_BITS)
{
SLsmg_set_color (JED_GET_LINE_COLOR(line));
color_set = 1;
}
#endif
#if JED_HAS_LINE_MARKS
line_marks = CBuf->user_marks;
if (color_set == 0) while (line_marks != NULL)
{
if ((line_marks->line == line)
&& (line_marks->flags & JED_LINE_MARK))
{
SLsmg_set_color (line_marks->flags & MARK_COLOR_MASK);
color_set = 1;
break;
}
line_marks = line_marks->next;
}
#endif
if (len)
{
if ((color_set == 0)
&& Mode_Has_Syntax_Highlight
&& (line != &Eob_Line)
#if !defined(IBMPC_SYSTEM)
&& (*tt_Use_Ansi_Colors && Term_Supports_Color)
#endif
&& Wants_Syntax_Highlight)
write_syntax_highlight (sy, line, len);
else
{
if ((is_mini == 0)
&& Jed_Highlight_WS & HIGHLIGHT_WS_TRAILING)
{
unsigned char *pmin = line->data;
unsigned char *pmax = pmin + len;
unsigned char *p = pmax;
while (p > pmin)
{
p--;
if ((*p != ' ') && (*p != '\t'))
{
p++;
break;
}
}
SLsmg_write_nchars ((char *)pmin, p - pmin);
if (p != pmax)
{
SLsmg_set_color (JTWS_COLOR);
SLsmg_write_nchars ((char *)p, pmax - p);
SLsmg_set_color (0);
}
}
else SLsmg_write_nchars ((char *)line->data, len);
}
}
#if JED_HAS_LINE_ATTRIBUTES
if ((line->next != NULL)
&& (line->next->flags & JED_LINE_HIDDEN))
{
SLsmg_set_color (JDOTS_COLOR);
SLsmg_write_string ("...");
SLsmg_set_color (0);
}
#endif
SLsmg_erase_eol ();
if (Jed_Dollar)
{
char dollar = (char) Jed_Dollar;
if (hscroll_col + num_columns <= SLsmg_get_column ())
{
SLsmg_gotorc (sy, hscroll_col + num_columns - 1);
SLsmg_set_color (JDOLLAR_COLOR);
SLsmg_write_nchars (&dollar, 1);
}
if (hscroll_col)
{
SLsmg_gotorc (sy, hscroll_col);
SLsmg_set_color (JDOLLAR_COLOR);
SLsmg_write_nchars (&dollar, 1);
}
}
if ((s->hi0 != NULL) && Wants_Attributes)
{
int c;
len = (int) (s->hi1 - s->hi0);
if (len && (s->hi0[len - 1] == '\n'))
len--;
if (len)
{
c = jed_compute_effective_length (line->data, s->hi0);
if (is_mini)
c += Mini_Info.effective_prompt_len;
SLsmg_gotorc (sy, c);
SLsmg_set_color (JREGION_COLOR);
SLsmg_write_nchars ((char *)s->hi0, len);
}
}
/* if (hscroll_col + sx) */
SLsmg_set_screen_start (NULL, NULL);
SLsmg_set_color (0);
}
void
tty_getyx (int *py, int *px)
{
*py = SLsmg_get_row ();
*px = SLsmg_get_column ();
}
static int smg_get_column (void)
{
if (Smg_Initialized <= 0) return -1;
return SLsmg_get_column();
}
static int sl_output(int port, char *buf, int len)
{
int x,y,z,v,w;
char *str, *t1, *t2, *t3;
int ret;
char ch;
/* check for signals */
if (signal_cought != 0) { /* async out signal */
char xxx[5];
xxx[0] = 0;
put_int32(signal_cought, xxx+1);
driver_output(port, xxx, 5);
signal_cought = 0;
}
switch (*buf++) {
case INIT_TTY: {
int abort_char, flow_ctl, opost;
abort_char = get_int32(buf); buf+=4;
flow_ctl = get_int32(buf); buf+= 4;
opost = get_int32(buf); buf+= 4;
ret = SLang_init_tty (abort_char,flow_ctl, opost);
return ret_int(port, ret);
}
case SET_ABORT_FUNCTION: {
SLang_set_abort_signal (NULL);
return ret_int(port, 0);
}
case GETKEY: {
unsigned int key;
if (SLang_input_pending (0) == 0) {
wait_for = GETKEY;
driver_select(port, 0, DO_READ, 1);
return 0;
}
x = SLang_getkey ();
return ret_int(port, x);
}
/* read a symbol */
case KP_GETKEY: {
if (SLang_input_pending (0) == 0) {
wait_for = KP_GETKEY;
driver_select(port, 0, DO_READ, 1);
return 0;
}
x = SLkp_getkey ();
return ret_int(port, x);
}
case UNGETKEY: {
unsigned char key = (unsigned char) *buf;
SLang_ungetkey (key);
return 0;
}
case RESET_TTY: {
SLang_reset_tty();
return 0;
}
case KP_INIT: {
return ret_int(port, SLkp_init ());
}
case SETVAR: {
x = get_int32(buf);buf+= 4;
y = get_int32(buf);
switch (x) {
case esl_baud_rate:
SLang_TT_Baud_Rate = y; return 0;
case esl_read_fd:
return 0;
case esl_abort_char:
SLang_Abort_Char = y; return 0;
case esl_ignore_user_abort:
SLang_Ignore_User_Abort=y; return 0;
case esl_input_buffer_len :
SLang_Input_Buffer_Len=y; return 0;
case esl_keyboard_quit:
SLKeyBoard_Quit=y; return 0;
case esl_last_key_char:
SLang_Last_Key_Char=y; return 0;
case esl_rl_eof_char:
SLang_RL_EOF_Char=y; return 0;
case esl_rline_quit:
SLang_Rline_Quit=y; return 0;
case esl_screen_rows:
case esl_screen_cols :
return 0;
case esl_tab_width:
SLsmg_Tab_Width=y; return 0;
case esl_newline_behaviour:
SLsmg_Newline_Behavior=y; return 0;
case esl_error:
SLang_Error=y; return 0;
case esl_version:
return 0;
case esl_backspace_moves :
SLsmg_Backspace_Moves=y; return 0;
case esl_display_eight_bit:
SLsmg_Display_Eight_Bit=y; return 0;
default:
return 0;
}
}
case GETVAR: {
x = get_int32(buf);
switch (x) {
case esl_baud_rate:
return ret_int(port, SLang_TT_Baud_Rate);
case esl_read_fd:
return ret_int(port, SLang_TT_Read_FD);
case esl_abort_char:
return (ret_int(port, SLang_Abort_Char));
case esl_ignore_user_abort:
return ret_int(port, SLang_Ignore_User_Abort);
case esl_input_buffer_len :
return ret_int(port, SLang_Input_Buffer_Len);
case esl_keyboard_quit:
return ret_int(port, SLKeyBoard_Quit);
case esl_last_key_char:
return ret_int(port, SLang_Last_Key_Char);
case esl_rl_eof_char:
return ret_int(port, SLang_RL_EOF_Char);
case esl_rline_quit:
return ret_int(port, SLang_Rline_Quit);
case esl_screen_rows:
return ret_int(port, SLtt_Screen_Rows);
case esl_screen_cols :
return ret_int(port, SLtt_Screen_Cols);
case esl_tab_width:
return ret_int(port, SLsmg_Tab_Width);
case esl_newline_behaviour:
return ret_int(port, SLsmg_Newline_Behavior);
case esl_error:
return ret_int(port, SLang_Error);
case esl_version:
return ret_int(port, SLang_Version);
case esl_backspace_moves :
return ret_int(port, SLsmg_Backspace_Moves);
case esl_display_eight_bit:
return ret_int(port, SLsmg_Display_Eight_Bit);
default:
return ret_int(port, -1);
}
}
/*{{{ SLsmg Screen Management Functions */
case SMG_FILL_REGION: {
x = get_int32(buf); buf+= 4;
y = get_int32(buf); buf+= 4;
z = get_int32(buf); buf+= 4;
v = get_int32(buf); buf+= 4;
ch = *buf;
SLsmg_fill_region(x, y,z,v,ch);
return 0;
}
case SMG_SET_CHAR_SET: {
x = get_int32(buf); buf+= 4;
SLsmg_set_char_set(x);
return 0;
}
case SMG_SUSPEND_SMG: {
return ret_int(port, SLsmg_suspend_smg());
}
case SMG_RESUME_SMG: {
ret_int(port, SLsmg_resume_smg());
}
case SMG_ERASE_EOL: {
SLsmg_erase_eol();
return 0;
}
case SMG_GOTORC: {
x = get_int32(buf); buf+= 4;
y = get_int32(buf); buf+= 4;
SLsmg_gotorc(x, y);
return 0;
}
case SMG_ERASE_EOS: {
SLsmg_erase_eos();
return 0;
}
case SMG_REVERSE_VIDEO: {
SLsmg_reverse_video();
return 0;
}
case SMG_SET_COLOR: {
x = get_int32(buf); buf+= 4;
SLsmg_set_color(x);
return 0;
}
case SMG_NORMAL_VIDEO: {
SLsmg_normal_video();
return 0;
}
case SMG_WRITE_STRING: {
SLsmg_write_string(buf);
return 0;
}
case SMG_WRITE_CHAR: {
ch = *buf;
SLsmg_write_char(ch);
return 0;
}
case SMG_WRITE_WRAPPED_STRING: {
t1 = buf;
buf += strlen(t1) + 1;
x = get_int32(buf); buf+= 4;
y = get_int32(buf); buf+= 4;
z = get_int32(buf); buf+= 4;
v = get_int32(buf); buf+= 4;
w = get_int32(buf); buf+= 4;
SLsmg_write_wrapped_string(t1, x,y,z,v,w);
return 0;
}
case SMG_CLS: {
SLsmg_cls();
return 0;
}
case SMG_REFRESH: {
SLsmg_refresh();
return 0;
}
case SMG_TOUCH_LINES: {
x = get_int32(buf); buf+= 4;
y = get_int32(buf); buf+= 4;
SLsmg_touch_lines(x, y);
return 0;
}
case SMG_TOUCH_SCREEN: {
#if (SLANG_VERSION < 10400 )
return ret_int(port, -1);
#else
SLsmg_touch_screen();
#endif
return 0;
}
case SMG_INIT_SMG: {
return ret_int(port, SLsmg_init_smg());
}
case SMG_REINIT_SMG: {
#if (SLANG_VERSION < 10400 )
return ret_int(port, -1);
#else
return ret_int(port, SLsmg_reinit_smg());
#endif
}
case SMG_RESET_SMG: {
SLsmg_reset_smg();
return 0;
}
case SMG_CHAR_AT: {
return ret_int(port, SLsmg_char_at());
}
case SMG_SET_SCREEN_START: {
int *ip1, *ip2;
*ip1 = get_int32(buf); buf+= 4;
*ip2 = get_int32(buf); buf+= 4;
SLsmg_set_screen_start(ip1, ip2);
return ret_int_int(port, *ip1, *ip2);
}
case SMG_DRAW_HLINE: {
x = get_int32(buf); buf+= 4;
SLsmg_draw_hline(x);
return 0;
}
case SMG_DRAW_VLINE: {
x = get_int32(buf); buf+= 4;
SLsmg_draw_vline(x);
return 0;
}
case SMG_DRAW_OBJECT: {
x = get_int32(buf); buf+= 4;
y = get_int32(buf); buf+= 4;
x = get_int32(buf); buf+= 4;
SLsmg_draw_object(x, y,z);
return 0;
}
case SMG_DRAW_BOX: {
x = get_int32(buf); buf+= 4;
y = get_int32(buf); buf+= 4;
z = get_int32(buf); buf+= 4;
v = get_int32(buf); buf+= 4;
SLsmg_draw_box(x, y,z,v);
return 0;
}
case SMG_GET_COLUMN: {
return ret_int(port, SLsmg_get_column());
}
case SMG_GET_ROW: {
return ret_int(port, SLsmg_get_row());
}
case SMG_FORWARD: {
x = get_int32(buf); buf+= 4;
SLsmg_forward(x);
return 0;
}
case SMG_WRITE_COLOR_CHARS: {
SLsmg_Char_Type * sl;
sl = decode_smg_char_type(&buf);
x = get_int32(buf); buf+= 4;
SLsmg_write_color_chars(sl, x);
return 0;
}
case SMG_READ_RAW: {
x = get_int32(buf); buf+= 4;
t1 = malloc((2*x) + 2 + 1);
y = SLsmg_read_raw((unsigned short*)t1 +1, x);
t1[1] = 1;
driver_output(port, t1, y+1);
free(t1);
return 0;
}
case SMG_WRITE_RAW: {
SLsmg_Char_Type * sl;
sl = decode_smg_char_type(&buf);
x = get_int32(buf);
y = SLsmg_write_raw(sl, x);
return ret_int(port, y);
}
case SMG_SET_COLOR_IN_REGION: {
x = get_int32(buf); buf+= 4;
y = get_int32(buf); buf+= 4;
z = get_int32(buf); buf+= 4;
v = get_int32(buf); buf+= 4;
w = get_int32(buf); buf+= 4;
SLsmg_set_color_in_region(x, y,z,v,w);
return 0;
}
/* all the tt_functions */
case TT_FLUSH_OUTPUT: {
ret = SLtt_flush_output();
return ret_int(port, ret);
}
case TT_SET_SCROLL_REGION: {
x = get_int32(buf); buf+=4;
y = get_int32(buf); buf+=4;
SLtt_set_scroll_region(x, y);
return 0;
}
case TT_RESET_SCROLL_REGION: {
SLtt_reset_scroll_region();
return 0;
}
case TT_REVERSE_VIDEO: {
SLtt_reverse_video (get_int32(buf));
return 0;
}
case TT_BOLD_VIDEO: {
SLtt_begin_insert();
return 0;
}
case TT_BEGIN_INSERT: {
SLtt_begin_insert();
return 0;
}
case TT_END_INSERT: {
SLtt_end_insert();
return 0;
}
case TT_DEL_EOL: {
SLtt_del_eol();
return 0;
}
case TT_GOTO_RC: {
x = get_int32(buf); buf+=4;
y = get_int32(buf); buf+=4;
SLtt_goto_rc (x, y);
return 0;
}
case TT_DELETE_NLINES: {
SLtt_delete_nlines(get_int32(buf));
return 0;
}
case TT_DELETE_CHAR: {
SLtt_delete_char();
return 0;
}
case TT_ERASE_LINE: {
SLtt_erase_line();
return 0;
}
case TT_NORMAL_VIDEO: {
SLtt_normal_video();
return 0;
}
case TT_CLS: {
SLtt_cls();
return 0;
}
case TT_BEEP: {
SLtt_beep();
return 0;
}
case TT_REVERSE_INDEX: {
SLtt_reverse_index(get_int32(buf));
return 0;
}
case TT_SMART_PUTS: {
SLsmg_Char_Type *t1 ;
SLsmg_Char_Type *t2;
t1 = decode_smg_char_type(&buf);
t2 = decode_smg_char_type(&buf);
x = get_int32(buf); buf+=4;
y = get_int32(buf); buf+=4;
SLtt_smart_puts(t1, t2,x,y);
return 0;
}
case TT_WRITE_STRING: {
SLtt_write_string (buf);
return 0;
}
case TT_PUTCHAR: {
SLtt_putchar((char) get_int32(buf));
return 0;
}
case TT_INIT_VIDEO: {
ret = SLtt_init_video ();
return ret_int(port, ret);
}
case TT_RESET_VIDEO: {
SLtt_reset_video ();
return 0;
}
case TT_GET_TERMINFO: {
SLtt_get_terminfo();
return 0;
}
case TT_GET_SCREEN_SIZE: {
SLtt_get_screen_size ();
return 0;
}
case TT_SET_CURSOR_VISIBILITY: {
ret = SLtt_set_cursor_visibility (get_int32(buf));
return ret_int(port, ret);
}
case TT_SET_MOUSE_MODE: {
x = get_int32(buf); buf+=4;
y = get_int32(buf); buf+=4;
ret = SLtt_set_mouse_mode (x,y);
return ret_int(port, ret);
}
case TT_INITIALIZE: {
ret =SLtt_initialize (buf);
return ret_int(port, ret);
}
case TT_ENABLE_CURSOR_KEYS: {
SLtt_enable_cursor_keys();
return 0;
}
case TT_SET_TERM_VTXXX: {
return 0;
}
case TT_SET_COLOR_ESC: {
x = get_int32(buf); buf+=4;
SLtt_set_color_esc (x, buf);
return 0;
}
case TT_WIDE_WIDTH: {
SLtt_narrow_width();
return 0;
}
case TT_NARROW_WIDTH: {
SLtt_narrow_width();
return 0;
}
case TT_SET_ALT_CHAR_SET: {
SLtt_set_alt_char_set (get_int32(buf));
return 0;
}
case TT_WRITE_TO_STATUS_LINE: {
x = get_int32(buf); buf+=4;
SLtt_write_to_status_line (buf, x);
return 0;
}
case TT_DISABLE_STATUS_LINE: {
SLtt_disable_status_line ();
return 0;
}
case TT_TGETSTR: {
str = SLtt_tgetstr (buf);
return ret_string(port, str);
}
case TT_TGETNUM: {
x = SLtt_tgetnum (buf);
return ret_int(port, x);
}
case TT_TGETFLAG: {
x = SLtt_tgetflag (buf);
return ret_int(port, x);
}
case TT_TIGETENT: {
str = SLtt_tigetent (buf);
return ret_string(port, str);
}
case TT_TIGETSTR: {
return 0;
}
case TT_TIGETNUM: {
return 0;
}
case SLTT_GET_COLOR_OBJECT: {
x = get_int32(buf); buf+=4;
y = SLtt_get_color_object (x);
return ret_int(port, y);
return 0;
}
case TT_SET_COLOR_OBJECT: {
x = get_int32(buf); buf+=4;
y = get_int32(buf); buf+=4;
SLtt_set_color_object (x, y);
return 0;
}
case TT_SET_COLOR: {
x = get_int32(buf); buf+=4;
t1 = buf;
t2 = buf + (strlen(t1) + 1);
t3 = buf + (strlen(t1) + strlen(t2) + 2);
SLtt_set_color (x, t1, t2, t3);
return 0;
}
case TT_SET_MONO: {
x = get_int32(buf); buf+=4;
t1 = buf;
buf += strlen(t1) + 1;
y = get_int32(buf);
SLtt_set_mono (x, t1, y);
return 0;
}
case TT_ADD_COLOR_ATTRIBUTE: {
x = get_int32(buf); buf+=4;
y = get_int32(buf); buf+=4;
SLtt_add_color_attribute (x, y);
return 0;
}
case TT_SET_COLOR_FGBG: {
x = get_int32(buf); buf+=4;
y = get_int32(buf); buf+=4;
z = get_int32(buf); buf+=4;
SLtt_set_color_fgbg (x, y, z);
return 0;
}
case ISATTY: {
x = get_int32(buf); buf+=4;
return ret_int(port, isatty(x));
}
case EFORMAT: {
fprintf(stderr, "%s", buf);
fflush(stderr);
return 0;
}
case SIGNAL: {
x = get_int32(buf); buf+=4;
SLsignal(x_to_sig(x), sig_handler);
return 0;
}
case SIGNAL_CHECK: {
/* polled */
if (signal_cought != 0)
signal_cought = 0;
return ret_int(port, signal_cought);
}
default:
return 0;
}
}