diff options
| -rw-r--r-- | editors/vi.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/editors/vi.c b/editors/vi.c index f33db66..76d1f26 100644 --- a/editors/vi.c +++ b/editors/vi.c @@ -2816,8 +2816,15 @@ static int readit(void) // read (maybe cursor) key from stdin int c; fflush_all(); - c = read_key(STDIN_FILENO, readbuffer, /*timeout off:*/ -2); + + // Wait for input. TIMEOUT = -1 makes read_key wait even + // on nonblocking stdin. + // Note: read_key sets errno to 0 on success. + again: + c = read_key(STDIN_FILENO, readbuffer, /*timeout:*/ -1); if (c == -1) { // EOF/error + if (errno == EAGAIN) // paranoia + goto again; go_bottom_and_clear_to_eol(); cookmode(); // terminal to "cooked" bb_error_msg_and_die("can't read user input"); |