[src/trunk]: src/games/larn ctime can return NULL.

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

details:   https://anonhg.NetBSD.org/src/rev/cb7f37129f5f
branches:  trunk
changeset: 753593:cb7f37129f5f
user:      christos <christos%NetBSD.org@localhost>
date:      Fri Apr 02 21:40:00 2010 +0000

description:
ctime can return NULL.

diffstat:

 games/larn/scores.c |  14 +++++++++-----
 1 files changed, 9 insertions(+), 5 deletions(-)

diffs (42 lines):

diff -r 4dc020158e00 -r cb7f37129f5f games/larn/scores.c
--- a/games/larn/scores.c       Fri Apr 02 21:37:22 2010 +0000
+++ b/games/larn/scores.c       Fri Apr 02 21:40:00 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: scores.c,v 1.18 2009/08/12 08:04:05 dholland Exp $     */
+/*     $NetBSD: scores.c,v 1.19 2010/04/02 21:40:00 christos Exp $     */
 
 /*
  * scores.c                     Larn is copyrighted 1986 by Noah Morgan.
@@ -26,7 +26,7 @@
  */
 #include <sys/cdefs.h>
 #ifndef lint
-__RCSID("$NetBSD: scores.c,v 1.18 2009/08/12 08:04:05 dholland Exp $");
+__RCSID("$NetBSD: scores.c,v 1.19 2010/04/02 21:40:00 christos Exp $");
 #endif                         /* not lint */
 #include <sys/types.h>
 #include <sys/times.h>
@@ -772,6 +772,7 @@
 {
        int    n;
        char  *p;
+       static char  q[] = "?";
        struct stat     stbuf;
        lcreat((char *) 0);
        if (lopen(logfile) < 0) {
@@ -784,9 +785,12 @@
        }
        for (n = stbuf.st_size / sizeof(struct log_fmt); n > 0; --n) {
                lrfill((char *) &logg, sizeof(struct log_fmt));
-               p = ctime(&logg.diedtime);
-               p[16] = '\n';
-               p[17] = 0;
+               if ((p = ctime(&logg.diedtime)) == NULL)
+                       p = q;
+               else {
+                       p[16] = '\n';
+                       p[17] = 0;
+               }
                lprintf("Score: %ld, Diff: %ld,  %s %s on %ld at %s", (long) (logg.score), (long) (logg.diff), logg.who, logg.what, (long) (logg.cavelev), p + 4);
 #ifdef EXTRA
                if (logg.moves <= 0)