summaryrefslogtreecommitdiff
path: root/daemons/getty.c
diff options
context:
space:
mode:
authorMiles Bader <miles@gnu.org>1996-07-06 04:20:12 +0000
committerMiles Bader <miles@gnu.org>1996-07-06 04:20:12 +0000
commit6d0c7f745e0f733d1014e6894a0060c7173bfe33 (patch)
tree01a3d5207d91cbad19b09fcc66070c6b78f0aa1f /daemons/getty.c
parent0dcee3c25fd84fb3dbc4bc28afa4163ce467b4f2 (diff)
(print_banner): Use localhost instead of grotty loop. Make static.
(main): Use syslog instead of error to report exec failure.
Diffstat (limited to 'daemons/getty.c')
-rw-r--r--daemons/getty.c31
1 files changed, 8 insertions, 23 deletions
diff --git a/daemons/getty.c b/daemons/getty.c
index 279422c5..60809608 100644
--- a/daemons/getty.c
+++ b/daemons/getty.c
@@ -31,44 +31,28 @@
/* XXX */
extern int login_tty (int);
+extern char *localhost ();
#define _PATH_DEV "/dev"
#define _PATH_LOGIN "/bin/login"
/* Print a suitable welcome banner */
-void
+static void
print_banner (int fd, char *ttyname)
{
- struct utsname u;
+ int cc;
char *s;
- int len, cc;
- char *hostname;
+ struct utsname u;
+ char *hostname = localhost ();
if (uname (&u))
u.sysname[0] = u.release[0] = '\0';
-
- len = 50;
- hostname = malloc (len);
- cc = gethostname (hostname, len);
- if (cc == -1)
- hostname[0] = '\0';
- while (cc >= len)
- {
- hostname = realloc (hostname, len *= 2);
- cc = gethostname (hostname, len);
- if (cc == -1)
- {
- hostname[0] = '\0';
- break;
- }
- }
cc = asprintf (&s, "\r\n\n%s %s (%s) (%s)\r\n\n",
- u.sysname, u.release, hostname, ttyname);
+ u.sysname, u.release, hostname ?: "?", ttyname);
write (fd, s, cc);
}
-
int
main (int argc, char **argv)
{
@@ -123,6 +107,7 @@ main (int argc, char **argv)
/* Hardwired lines don't. */
execl (_PATH_LOGIN, "login", "-e", arg, "-aNOAUTH_TIMEOUT", 0);
- error (99, errno, "execl");
+ syslog (LOG_ERR, "%s: %m", _PATH_LOGIN);
+
return 1;
}