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terminal: FreeBSD VT num is 1 higher than tty num

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This was causing all VT and TTY changes to be applied to the wrong TTY.
This commit is contained in:
Kenny Levinsen 2020-08-28 00:46:58 +00:00
parent 8e0b58f90d
commit 60a8e809b2
1 changed files with 5 additions and 1 deletions
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6
common/terminal.c
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@ -63,7 +63,11 @@ int terminal_current_vt(int fd) {
log_errorf("could not retrieve VT state: %s", strerror(errno));
return -1;
}
return vt;
if (vt < 1) {
log_errorf("invalid vt: %d", vt);
return -1;
}
return vt - 1;
#else
#error Unsupported platform
#endif