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Issue a better error message if attempting to create a file system

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on a block device.  Inspired by PR kern/41127.
This commit is contained in:
pooka 2009-04-03 13:22:05 +00:00
parent ac465a42e7
commit 54f76d2fa4
1 changed files with 6 additions and 2 deletions
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8
sbin/newfs/newfs.c
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@ -1,4 +1,4 @@
/* $NetBSD: newfs.c,v 1.102 2008/08/01 15:32:30 simonb Exp $ */
/* $NetBSD: newfs.c,v 1.103 2009/04/03 13:22:05 pooka Exp $ */
/*
* Copyright (c) 1983, 1989, 1993, 1994
@ -78,7 +78,7 @@ __COPYRIGHT("@(#) Copyright (c) 1983, 1989, 1993, 1994\
#if 0
static char sccsid[] = "@(#)newfs.c 8.13 (Berkeley) 5/1/95";
#else
__RCSID("$NetBSD: newfs.c,v 1.102 2008/08/01 15:32:30 simonb Exp $");
__RCSID("$NetBSD: newfs.c,v 1.103 2009/04/03 13:22:05 pooka Exp $");
#endif
#endif /* not lint */
@ -468,6 +468,10 @@ main(int argc, char *argv[])
special = device;
if (fsi < 0 || fstat(fsi, &sb) == -1)
err(1, "%s: open for read", special);
if (S_ISBLK(sb.st_mode)) {
errx(1, "%s is a block device. use raw device",
special);
}
if (!Nflag) {
fso = open(special, O_WRONLY, 0);