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https://github.com/tmux/tmux.git
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Save term data in a linked list and reuse it.
This commit is contained in:
Nicholas Marriott
parent
08d7be638e
commit
2bc8108b3e
7
tmux.c
7
tmux.c
@ -1,4 +1,4 @@
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/* $Id: tmux.c,v 1.45 2007-12-06 09:46:23 nicm Exp $ */
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/* $Id: tmux.c,v 1.46 2007-12-06 18:28:55 nicm Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -32,8 +32,13 @@
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#include "tmux.h"
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#ifdef DEBUG
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#ifdef __OpenBSD__
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const char *malloc_options = "AFGJPX";
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#endif
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#ifdef __FreeBSD__
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const char *_malloc_options = "AJX";
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#endif
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#endif
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volatile sig_atomic_t sigwinch;
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volatile sig_atomic_t sigterm;
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14
tmux.h
14
tmux.h
@ -1,4 +1,4 @@
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/* $Id: tmux.h,v 1.111 2007-12-06 10:36:01 nicm Exp $ */
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/* $Id: tmux.h,v 1.112 2007-12-06 18:28:55 nicm Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -556,11 +556,19 @@ struct tty_key {
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RB_ENTRY(tty_key) entry;
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};
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struct tty_term {
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char *name;
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TERMINAL *term;
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u_int references;
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TAILQ_ENTRY(tty_term) entry;
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};
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struct tty {
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char *path;
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char *term;
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TERMINAL *termp;
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char *termname;
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struct tty_term *term;
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int fd;
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struct buffer *in;
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227
tty.c
227
tty.c
@ -1,4 +1,4 @@
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/* $Id: tty.c,v 1.11 2007-12-06 11:11:15 nicm Exp $ */
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/* $Id: tty.c,v 1.12 2007-12-06 18:28:55 nicm Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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@ -30,6 +30,9 @@
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#include "tmux.h"
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struct tty_term *tty_find_term(char *, int,char **);
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void tty_free_term(struct tty_term *);
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void tty_fill_acs(struct tty *);
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u_char tty_get_acs(struct tty *, u_char);
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@ -40,18 +43,20 @@ void tty_putc(struct tty *, char);
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void tty_attributes(struct tty *, u_char, u_char);
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char tty_translate(char);
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TAILQ_HEAD(, tty_term) tty_terms = TAILQ_HEAD_INITIALIZER(tty_terms);
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void
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tty_init(struct tty *tty, char *path, char *term)
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{
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tty->path = xstrdup(path);
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tty->term = xstrdup(term);
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tty->termname = xstrdup(term);
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}
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int
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tty_open(struct tty *tty, char **cause)
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{
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struct termios tio;
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int error, what;
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int what;
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tty->fd = open(tty->path, O_RDWR|O_NONBLOCK);
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if (tty->fd == -1) {
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@ -59,10 +64,117 @@ tty_open(struct tty *tty, char **cause)
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return (-1);
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}
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tty->termp = NULL;
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if (tty->term == NULL)
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tty->term = xstrdup("unknown");
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if (setupterm(tty->term, tty->fd, &error) != OK) {
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if (tty->termname == NULL)
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tty->termname = xstrdup("unknown");
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if ((tty->term = tty_find_term(tty->termname, tty->fd, cause)) == NULL)
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goto error;
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tty->in = buffer_create(BUFSIZ);
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tty->out = buffer_create(BUFSIZ);
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tty->attr = SCREEN_DEFATTR;
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tty->colr = SCREEN_DEFCOLR;
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tty_keys_init(tty);
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tty_fill_acs(tty);
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if (tcgetattr(tty->fd, &tty->tio) != 0)
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fatal("tcgetattr failed");
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memset(&tio, 0, sizeof tio);
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tio.c_iflag = TTYDEF_IFLAG & ~(IXON|IXOFF|ICRNL|INLCR);
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tio.c_oflag = TTYDEF_OFLAG & ~(OPOST|ONLCR|OCRNL|ONLRET);
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tio.c_lflag =
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TTYDEF_LFLAG & ~(IEXTEN|ICANON|ECHO|ECHOE|ECHOKE|ECHOCTL|ISIG);
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tio.c_cflag = TTYDEF_CFLAG;
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memcpy(&tio.c_cc, ttydefchars, sizeof tio.c_cc);
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cfsetspeed(&tio, TTYDEF_SPEED);
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if (tcsetattr(tty->fd, TCSANOW, &tio) != 0)
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fatal("tcsetattr failed");
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what = 0;
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if (ioctl(tty->fd, TIOCFLUSH, &what) != 0)
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fatal("ioctl(TIOCFLUSH)");
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if (enter_ca_mode != NULL)
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tty_puts(tty, enter_ca_mode);
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if (keypad_xmit != NULL)
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tty_puts(tty, keypad_xmit);
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if (ena_acs != NULL)
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tty_puts(tty, ena_acs);
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tty_puts(tty, clear_screen);
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return (0);
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error:
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close(tty->fd);
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tty->fd = -1;
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return (-1);
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}
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void
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tty_close(struct tty *tty)
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{
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struct winsize ws;
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if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
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fatal("ioctl(TIOCGWINSZ)");
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if (tcsetattr(tty->fd, TCSANOW, &tty->tio) != 0)
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fatal("tcsetattr failed");
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if (change_scroll_region != NULL)
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tty_raw(tty, tparm(change_scroll_region, 0, ws.ws_row - 1));
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if (keypad_local != NULL)
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tty_raw(tty, keypad_local);
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if (exit_ca_mode != NULL)
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tty_raw(tty, exit_ca_mode);
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tty_raw(tty, clear_screen);
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if (cursor_normal != NULL)
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tty_raw(tty, cursor_normal);
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if (exit_attribute_mode != NULL)
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tty_raw(tty, exit_attribute_mode);
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tty_free_term(tty->term);
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tty_keys_free(tty);
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close(tty->fd);
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tty->fd = -1;
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buffer_destroy(tty->in);
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buffer_destroy(tty->out);
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}
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void
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tty_free(struct tty *tty)
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{
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if (tty->fd != -1)
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tty_close(tty);
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if (tty->path != NULL)
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xfree(tty->path);
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if (tty->termname != NULL)
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xfree(tty->termname);
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}
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struct tty_term *
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tty_find_term(char *name, int fd, char **cause)
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{
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struct tty_term *term;
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int error;
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TAILQ_FOREACH(term, &tty_terms, entry) {
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if (strcmp(term->name, name) == 0)
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return (term);
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}
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term = xmalloc(sizeof *term);
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term->name = xstrdup(name);
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term->term = NULL;
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term->references = 1;
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TAILQ_INSERT_HEAD(&tty_terms, term, entry);
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if (setupterm(name, fd, &error) != OK) {
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switch (error) {
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case 0:
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xasprintf(cause, "can't use hardcopy terminal");
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@ -79,9 +191,8 @@ tty_open(struct tty *tty, char **cause)
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}
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goto error;
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}
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tty->termp = cur_term;
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term->term = cur_term;
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/* Check for required capabilities. */
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if (clear_screen == NULL) {
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xasprintf(cause, "clear_screen missing");
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goto error;
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@ -144,100 +255,26 @@ tty_open(struct tty *tty, char **cause)
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goto error;
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}
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tty->in = buffer_create(BUFSIZ);
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tty->out = buffer_create(BUFSIZ);
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tty->attr = SCREEN_DEFATTR;
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tty->colr = SCREEN_DEFCOLR;
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tty_keys_init(tty);
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tty_fill_acs(tty);
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if (tcgetattr(tty->fd, &tty->tio) != 0)
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fatal("tcgetattr failed");
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memset(&tio, 0, sizeof tio);
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tio.c_iflag = TTYDEF_IFLAG & ~(IXON|IXOFF|ICRNL|INLCR);
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tio.c_oflag = TTYDEF_OFLAG & ~(OPOST|ONLCR|OCRNL|ONLRET);
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tio.c_lflag =
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TTYDEF_LFLAG & ~(IEXTEN|ICANON|ECHO|ECHOE|ECHOKE|ECHOCTL|ISIG);
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tio.c_cflag = TTYDEF_CFLAG;
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memcpy(&tio.c_cc, ttydefchars, sizeof tio.c_cc);
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cfsetspeed(&tio, TTYDEF_SPEED);
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if (tcsetattr(tty->fd, TCSANOW, &tio) != 0)
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fatal("tcsetattr failed");
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what = 0;
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if (ioctl(tty->fd, TIOCFLUSH, &what) != 0)
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fatal("ioctl(TIOCFLUSH)");
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if (enter_ca_mode != NULL)
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tty_puts(tty, enter_ca_mode);
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if (keypad_xmit != NULL)
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tty_puts(tty, keypad_xmit);
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if (ena_acs != NULL)
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tty_puts(tty, ena_acs);
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tty_puts(tty, clear_screen);
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return (0);
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return (term);
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error:
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close(tty->fd);
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tty->fd = -1;
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if (tty->termp != NULL)
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del_curterm(tty->termp);
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return (-1);
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tty_free_term(term);
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return (NULL);
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}
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void
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tty_close(struct tty *tty)
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tty_free_term(struct tty_term *term)
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{
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struct winsize ws;
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if (--term->references != 0)
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return;
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if (ioctl(tty->fd, TIOCGWINSZ, &ws) == -1)
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fatal("ioctl(TIOCGWINSZ)");
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if (tcsetattr(tty->fd, TCSANOW, &tty->tio) != 0)
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fatal("tcsetattr failed");
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TAILQ_REMOVE(&tty_terms, term, entry);
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if (change_scroll_region != NULL)
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tty_raw(tty, tparm(change_scroll_region, 0, ws.ws_row - 1));
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if (keypad_local != NULL)
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tty_raw(tty, keypad_local);
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if (exit_ca_mode != NULL)
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tty_raw(tty, exit_ca_mode);
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tty_raw(tty, clear_screen);
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if (cursor_normal != NULL)
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tty_raw(tty, cursor_normal);
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if (exit_attribute_mode != NULL)
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tty_raw(tty, exit_attribute_mode);
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if (term->term != NULL)
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del_curterm(term->term);
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if (tty->termp != NULL)
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del_curterm(tty->termp);
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tty_keys_free(tty);
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close(tty->fd);
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tty->fd = -1;
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buffer_destroy(tty->in);
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buffer_destroy(tty->out);
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}
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void
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tty_free(struct tty *tty)
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{
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if (tty->fd != -1)
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tty_close(tty);
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if (tty->path != NULL) {
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xfree(tty->path);
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tty->path = NULL;
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}
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if (tty->term != NULL) {
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xfree(tty->term);
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tty->term = NULL;
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}
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xfree(term->name);
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xfree(term);
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}
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void
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@ -286,7 +323,7 @@ tty_vwrite(struct tty *tty, unused struct screen *s, int cmd, va_list ap)
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char ch;
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u_int i, ua, ub;
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set_curterm(tty->termp);
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set_curterm(tty->term->term);
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switch (cmd) {
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case TTY_CHARACTER:
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