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Strip padding from terminfo strings.

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This commit is contained in:
Nicholas Marriott 2008-06-21 12:41:05 +00:00
parent 74e8d47cf1
commit a65238e98c
2 changed files with 64 additions and 13 deletions
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8
CHANGES
View File

@ -1,3 +1,9 @@
21 June 2008
* Strip padding out of terminfo(5) strings. Currently the padding is just
ignored, this may need to be altered if there are any software terminals
out there that actually need it.
20 June 2008
* buffer-limit option to set maximum size of buffer stack. Default is 9.
@ -529,4 +535,4 @@
(including mutt, emacs). No status bar yet and no key remapping or other
customisation.
$Id: CHANGES,v 1.132 2008-06-20 18:45:35 nicm Exp $
$Id: CHANGES,v 1.133 2008-06-21 12:41:04 nicm Exp $

69
tty.c
View File

@ -1,4 +1,4 @@
/* $Id: tty.c,v 1.30 2008-06-20 06:36:01 nicm Exp $ */
/* $Id: tty.c,v 1.31 2008-06-21 12:41:05 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -34,6 +34,7 @@ void tty_free_term(struct tty_term *);
void tty_fill_acs(struct tty *);
u_char tty_get_acs(struct tty *, u_char);
const char *tty_strip(const char *);
void tty_raw(struct tty *, const char *);
void tty_puts(struct tty *, const char *);
void tty_putc(struct tty *, char);
@ -64,7 +65,7 @@ tty_open(struct tty *tty, char **cause)
xasprintf(cause, "%s: %s", tty->path, strerror(errno));
return (-1);
}
if ((mode = fcntl(tty->fd, F_GETFL)) == -1)
fatal("fcntl");
if (fcntl(tty->fd, F_SETFL, mode|O_NONBLOCK) == -1)
@ -81,10 +82,6 @@ tty_open(struct tty *tty, char **cause)
tty->flags = 0;
tty_keys_init(tty);
tty_fill_acs(tty);
if (tcgetattr(tty->fd, &tty->tio) != 0)
fatal("tcgetattr failed");
memcpy(&tio, &tty->tio, sizeof tio);
@ -103,13 +100,26 @@ tty_open(struct tty *tty, char **cause)
fatal("ioctl(TIOCFLUSH)");
#endif
if (init_1string != NULL)
tty_raw(tty, init_1string);
if (init_2string != NULL)
tty_raw(tty, init_2string);
if (init_3string != NULL)
tty_raw(tty, init_3string);
if (enter_ca_mode != NULL)
tty_puts(tty, enter_ca_mode);
tty_raw(tty, enter_ca_mode);
if (keypad_xmit != NULL)
tty_puts(tty, keypad_xmit);
tty_raw(tty, keypad_xmit);
if (ena_acs != NULL)
tty_puts(tty, ena_acs);
tty_puts(tty, clear_screen);
tty_raw(tty, ena_acs);
tty_raw(tty, clear_screen);
abort();
tty_keys_init(tty);
tty_fill_acs(tty);
return (0);
@ -316,16 +326,51 @@ tty_get_acs(struct tty *tty, u_char ch)
return (ch);
}
const char *
tty_strip(const char *s)
{
const char *ptr;
static char buf[BUFSIZ];
size_t len;
/* Ignore strings with no padding. */
if (strchr(s, '$') == NULL)
return (s);
len = 0;
for (ptr = s; *ptr != '\0'; ptr++) {
if (*ptr == '$' && *(ptr + 1) == '<') {
while (*ptr != '\0' && *ptr != '>')
ptr++;
if (*ptr == '>')
ptr++;
}
buf[len++] = *ptr;
if (len == (sizeof buf) - 1)
break;
}
buf[len] = '\0';
return (buf);
}
void
tty_raw(struct tty *tty, const char *s)
{
write(tty->fd, s, strlen(s));
const char *t;
t = tty_strip(s);
write(tty->fd, t, strlen(t));
}
void
tty_puts(struct tty *tty, const char *s)
{
buffer_write(tty->out, s, strlen(s));
const char *t;
t = tty_strip(s);
buffer_write(tty->out, t, strlen(t));
}
void