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| author |   deraadt <deraadt@openbsd.org> | 1996-05-22 12:11:21 +0000 |
|---|---|---|
| committer | deraadt <deraadt@openbsd.org> | 1996-05-22 12:11:21 +0000 |
| commit | daf2c1c73ae93a183b3a814389b4969c8e0fca7f (patch) | |
| tree | fc637e15abf843e16707e1b313982dfd4c0afdf9 | |
| parent | slip or strip (diff) | |
| download | wireguard-openbsd-daf2c1c73ae93a183b3a814389b4969c8e0fca7f.tar.xz wireguard-openbsd-daf2c1c73ae93a183b3a814389b4969c8e0fca7f.zip | |
add more error checking to greywolf patch
| -rw-r--r-- | sbin/umount/umount.c | 38 |
1 files changed, 21 insertions, 17 deletions
diff --git a/sbin/umount/umount.c b/sbin/umount/umount.c index a807d76b329..23c525b71b8 100644 --- a/sbin/umount/umount.c +++ b/sbin/umount/umount.c @@ -1,4 +1,4 @@ -/* $NetBSD: umount.c,v 1.15 1995/09/22 02:03:48 mycroft Exp $ */ +/* $NetBSD: umount.c,v 1.16 1996/05/11 14:13:55 mycroft Exp $ */ /*- * Copyright (c) 1980, 1989, 1993 @@ -43,7 +43,7 @@ static char copyright[] = #if 0 static char sccsid[] = "@(#)umount.c 8.3 (Berkeley) 2/20/94"; #else -static char rcsid[] = "$NetBSD: umount.c,v 1.15 1995/09/22 02:03:48 mycroft Exp $"; +static char rcsid[] = "$NetBSD: umount.c,v 1.16 1996/05/11 14:13:55 mycroft Exp $"; #endif #endif /* not lint */ @@ -130,11 +130,9 @@ main(argc, argv) if ((nfshost != NULL) && (typelist == NULL)) maketypelist("nfs"); - if (all) { - if (setfsent() == 0) - err(1, "%s", _PATH_FSTAB); + if (all) errs = umountall(); - } else + else for (errs = 0; *argv != NULL; ++argv) if (umountfs(*argv) != 0) errs = 1; @@ -144,19 +142,25 @@ main(argc, argv) int umountall() { - struct statfs *mtab; - int rval = 0; - int nfsys; /* number of mounted filesystems */ - int i; + struct statfs *fs; + int n; + int rval; + + n = getmntinfo(&fs, MNT_NOWAIT); + if (n == 0) + err(1, NULL); - if (nfsys = getmntinfo(&mtab, MNT_NOWAIT)) { - for (i=nfsys - 1; i; i--) { - if (strcmp(mtab[i].f_mntonname, "/")) { - if (umountfs(mtab[i].f_mntonname)) rval = 1; - } - } + rval = 0; + while (--n >= 0) { + /* Ignore the root. */ + if (strncmp(fs[n].f_mntonname, "/", MNAMELEN) == 0) + continue; + if (!selected(fs[n].f_fstypename)) + continue; + if (umountfs(fs[n].f_mntonname)) + rval = 1; } - return(rval); + return (rval); } int |