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Be more specific in the DSR we are looking for so it doesn't get

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confused with mouse sequences. Also set a flag and don't bother checking
for it if we have already seen it (same for DA), and don't check if we
never asked for it.
This commit is contained in:
nicm
2020-01-13 08:12:53 +00:00
parent 04eee2410d
commit 835a6c0cf0
3 changed files with 19 additions and 2 deletions
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14
tty-keys.c
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@ -1020,6 +1020,8 @@ tty_keys_device_attributes(struct tty *tty, const char *buf, size_t len,
int flags = 0;
*size = 0;
if (tty->flags & TTY_HAVEDA)
return (-1);
/* First three bytes are always \033[?. */
if (buf[0] != '\033')
@ -1064,7 +1066,10 @@ tty_keys_device_attributes(struct tty *tty, const char *buf, size_t len,
for (i = 1; i < n; i++)
log_debug("%s: DA feature: %d", c->name, p[i]);
log_debug("%s: received DA %.*s", c->name, (int)*size, buf);
tty_set_flags(tty, flags);
tty->flags |= TTY_HAVEDA;
return (0);
}
@ -1082,6 +1087,8 @@ tty_keys_device_status_report(struct tty *tty, const char *buf, size_t len,
int flags = 0;
*size = 0;
if (tty->flags & TTY_HAVEDSR)
return (-1);
/* First three bytes are always \033[. */
if (buf[0] != '\033')
@ -1092,6 +1099,10 @@ tty_keys_device_status_report(struct tty *tty, const char *buf, size_t len,
return (-1);
if (len == 2)
return (1);
if (buf[2] != 'I')
return (-1);
if (len == 3)
return (1);
/* Copy the rest up to a 'n'. */
for (i = 0; i < (sizeof tmp) - 1 && buf[2 + i] != 'n'; i++) {
@ -1108,6 +1119,9 @@ tty_keys_device_status_report(struct tty *tty, const char *buf, size_t len,
if (strncmp(tmp, "ITERM2 ", 7) == 0)
flags |= TERM_DECSLRM;
log_debug("%s: received DSR %.*s", c->name, (int)*size, buf);
tty_set_flags(tty, flags);
tty->flags |= TTY_HAVEDSR;
return (0);
}