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Allow Ctrl-U, Ctrl-D again in built-in getty

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Many users found it very frustrating that it was impossible to use
standard commands like Ctrl-U and Ctrl-D at the login: prompt.  It
was never the intention to hamper users for no reason like that.

Also, compensate for cursor-up in "Please press Enter" wait-handler.
Curiously, this makes everything very neat looking also when having
'nowait' enabled for the tty.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson
2020-01-06 19:01:53 +01:00
parent d1718d338e
commit 00a2840853
1 changed files with 5 additions and 4 deletions
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src/getty.c
+5 -4
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@@ -224,10 +224,15 @@ int getty(char *tty, speed_t speed, char *term, char *user)
dup2(fd, STDIN_FILENO);
dup2(fd, STDOUT_FILENO);
dup2(fd, STDERR_FILENO);
close(fd);
if (ioctl(STDIN_FILENO, TIOCSCTTY, 1) < 0)
warn("Failed TIOCSCTTY");
/* Set up TTY, re-enabling ISIG et al. */
stty(STDIN_FILENO, speed);
(void)write(STDOUT_FILENO, "\n", 1);
/* The getty process is responsible for the UTMP login record */
utmp_set_login(tty, NULL);
if (!user)
@@ -235,10 +240,6 @@ int getty(char *tty, speed_t speed, char *term, char *user)
else
strlcpy(name, user, sizeof(name));
/* Set up TTY, re-enabling ISIG et al. */
stty(fd, speed);
close(fd);
if (term && term[0])
setenv("TERM", term, 1);