[PATCH] getty: Wait until all output written to stdout has been transmitted
Rich Felker
dalias at aerifal.cx
Wed Feb 9 20:46:43 UTC 2011
On Sun, Jan 23, 2011 at 08:05:44PM -0600, Rob Landley wrote:
> /* Optionally wait for CR or LF before writing /etc/issue */
> if (option_mask32 & F_WAITCRLF) {
> char ch;
>
> debug("waiting for cr-lf\n");
> while (safe_read(STDIN_FILENO, &ch, 1) == 1) {
> debug("read %x\n", (unsigned char)ch);
> ch &= 0x7f; /* strip "parity bit" */
> if (ch == '\n' || ch == '\r')
> break;
> }
> }
>
> Strip parity bit? Really?
>
> I'm going to stop before I have to start rewriting the thing myself...
I got bored and did it for you:
#!/bin/sh
exec </dev/$1 >/dev/$1 2>&1 || { sleep 1 ; exit 1 ; }
stty sane
reset
printf "%s login: " "`hostname`"
read -r login
exec /bin/login "$login"
Cheers,
Rich
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