[src/trunk]: src/sbin/savecore Output proper warning if dumplo == -1 (as it c...

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

details:   https://anonhg.NetBSD.org/src/rev/be3be752b2f0
branches:  trunk
changeset: 500240:be3be752b2f0
user:      wiz <wiz%NetBSD.org@localhost>
date:      Fri Dec 08 22:03:23 2000 +0000

description:
Output proper warning if dumplo == -1 (as it can happen on macppc without
swap partition), instead of "kvm_dump_mkheader: Pread: Invalid argument".

diffstat:

 sbin/savecore/savecore.c |  8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diffs (29 lines):

diff -r fb24d75f730d -r be3be752b2f0 sbin/savecore/savecore.c
--- a/sbin/savecore/savecore.c  Fri Dec 08 21:51:35 2000 +0000
+++ b/sbin/savecore/savecore.c  Fri Dec 08 22:03:23 2000 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: savecore.c,v 1.45 2000/12/07 03:55:44 wiz Exp $        */
+/*     $NetBSD: savecore.c,v 1.46 2000/12/08 22:03:23 wiz Exp $        */
 
 /*-
  * Copyright (c) 1986, 1992, 1993
@@ -43,7 +43,7 @@
 #if 0
 static char sccsid[] = "@(#)savecore.c 8.5 (Berkeley) 4/28/95";
 #else
-__RCSID("$NetBSD: savecore.c,v 1.45 2000/12/07 03:55:44 wiz Exp $");
+__RCSID("$NetBSD: savecore.c,v 1.46 2000/12/08 22:03:23 wiz Exp $");
 #endif
 #endif /* not lint */
 
@@ -280,6 +280,10 @@
                    syslog(LOG_WARNING, "kvm_read: %s", kvm_geterr(kd_kern));
                exit(1);
        }
+       if (dumplo == -1) {
+           syslog(LOG_WARNING, "no core dump (invalid dumplo)");
+           exit(1);
+       }
        dumplo *= DEV_BSIZE;
        if (verbose)
                (void)printf("dumplo = %ld (%ld * %ld)\n",