+++ /dev/null
---- sysvinit-2.96/src/shutdown.c.org 2020-02-24 14:20:54.265362805 +0100
-+++ sysvinit-2.96/src/shutdown.c 2020-02-27 10:24:16.865892277 +0100
-@@ -778,16 +778,18 @@ int main(int argc, char **argv)
- if (!strcmp(when, "now")) strcpy(when, "0");
-
- sp = when;
-- if (when[0] == '+') sp++;
-- /* Decode shutdown time. */
-+ /* Validate time argument. */
- for ( ; *sp; sp++) {
-- if (*sp != ':' && (*sp < '0' || *sp > '9'))
-+ if (*sp != '+' && *sp != ':' && (*sp < '0' || *sp > '9'))
- usage();
- }
-+ sp = when;
-+ /* Decode shutdown time. */
-+ if (when[0] == '+') sp++;
- if (strchr(when, ':') == NULL) {
- /* Time in minutes. */
-- wt = atoi(when);
-- if (wt == 0 && when[0] != '0') usage();
-+ wt = atoi(sp);
-+ if (wt == 0 && sp[0] != '0') usage();
- } else {
- /* Time in hh:mm format. */
- if (sscanf(when, "%d:%2d", &hours, &mins) != 2) usage();