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tty: Clear tty before login: prompt by default, add 'noclear' option

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Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson committed 2017-07-08 15:31:59 +02:00
1 parent 60f73dc952
commit e48901b90f
6 files changed
+17 -14
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src/getty.c
+5 -6
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@@ -63,7 +63,7 @@ static int readch(char *tty)
return ch1 & 0xFF;
}
static void stty(int fd, speed_t speed)
static void stty(int fd, speed_t speed, int noclear)
{
struct termios term;
@@ -98,9 +98,8 @@ static void stty(int fd, speed_t speed)
term.c_cc[VERASE] = CERASE;
tcsetattr(fd, TCSANOW, &term);
/* Clear screen in silent mode */
if (log_is_silent())
print("\033[r\033[H\033[J");
if (!noclear)
print("\e[r\e[H\e[J");
}
/*
@@ -291,7 +290,7 @@ static speed_t do_parse_speed(char *baud)
return B0;
}
int getty(char *tty, char *baud, char *term, char *user)
int getty(char *tty, char *baud, char *term, int noclear, char *user)
{
int fd;
char name[30];
@@ -328,7 +327,7 @@ int getty(char *tty, char *baud, char *term, char *user)
sa.sa_handler = _exit;
sigaction(SIGQUIT, &sa, NULL);
stty(fd, speed);
stty(fd, speed, noclear);
close(fd);
utmp_set_login(tty, NULL);