[src/trunk]: src/usr.sbin/sysinst Cleanup alarm(3) handling in the timezone s...

[martin <martin%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/56c733349610
branches:  trunk
changeset: 1022721:56c733349610
user:      martin <martin%NetBSD.org@localhost>
date:      Tue Aug 03 13:40:33 2021 +0000

description:
Cleanup alarm(3) handling in the timezone selection menu for error
cases, pointed out by RVP.

diffstat:

 usr.sbin/sysinst/util.c |  31 ++++++++++++++++---------------
 1 files changed, 16 insertions(+), 15 deletions(-)

diffs (50 lines):

diff -r 41c42d46d57c -r 56c733349610 usr.sbin/sysinst/util.c
--- a/usr.sbin/sysinst/util.c   Tue Aug 03 13:34:04 2021 +0000
+++ b/usr.sbin/sysinst/util.c   Tue Aug 03 13:40:33 2021 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: util.c,v 1.58 2021/07/20 16:40:12 martin Exp $ */
+/*     $NetBSD: util.c,v 1.59 2021/08/03 13:40:33 martin Exp $ */
 
 /*
  * Copyright 1997 Piermont Information Systems Inc.
@@ -1881,25 +1881,26 @@
                           tzm_set_names, NULL, NULL,
                           "\nPlease consult the install documents.",
                           MSG_exit_menu_generic);
-       if (menu_no < 0)
-               goto done;      /* error - skip timezone setting */
+       if (menu_no >= 0) {
+               time_menu = menu_no;
+               process_menu(menu_no, NULL);
+               time_menu = -1;
 
-       time_menu = menu_no;
-       process_menu(menu_no, NULL);
-       time_menu = -1;
+               free_menu(menu_no);
+       }
 
-       free_menu(menu_no);
-
+       alarm(0);
        signal(SIGALRM, SIG_IGN);
 
-       snprintf(localtime_target, sizeof(localtime_target),
-                "/usr/share/zoneinfo/%s", tz_selected);
-       strlcpy(localtime_link, target_expand("/etc/localtime"),
-           sizeof localtime_link);
-       unlink(localtime_link);
-       symlink(localtime_target, localtime_link);
+       if (menu_no >= 0) {
+               snprintf(localtime_target, sizeof(localtime_target),
+                        "/usr/share/zoneinfo/%s", tz_selected);
+               strlcpy(localtime_link, target_expand("/etc/localtime"),
+                   sizeof localtime_link);
+               unlink(localtime_link);
+               symlink(localtime_target, localtime_link);
+       }
 
-done:
        return 1;
 }