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reorder some checks so that buf is initialised as early as possible

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(just after the check for buf != NULL)
This commit is contained in:
lukem 1997-09-29 06:08:45 +00:00
parent 9babafd737
commit e6b7ef9676
1 changed files with 8 additions and 8 deletions
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16
lib/libutil/opendisk.c
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@ -1,4 +1,4 @@
/* $NetBSD: opendisk.c,v 1.1 1997/09/25 04:53:33 lukem Exp $ */
/* $NetBSD: opendisk.c,v 1.2 1997/09/29 06:08:45 lukem Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
@ -38,7 +38,7 @@
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: opendisk.c,v 1.1 1997/09/25 04:53:33 lukem Exp $");
__RCSID("$NetBSD: opendisk.c,v 1.2 1997/09/29 06:08:45 lukem Exp $");
#endif
#include <sys/param.h>
@ -61,21 +61,21 @@ opendisk(path, flags, buf, buflen, iscooked)
{
int f, rawpart;
if ((flags & O_CREAT) != 0) {
errno = EINVAL;
return (-1);
}
if (buf == NULL) {
errno = EFAULT;
return (-1);
}
snprintf(buf, buflen, "%s", path);
if ((flags & O_CREAT) != 0) {
errno = EINVAL;
return (-1);
}
rawpart = getrawpartition();
if (rawpart < 0)
return (-1); /* sysctl(3) in getrawpartition sets errno */
snprintf(buf, buflen, "%s", path);
f = open(buf, flags);
if (f != -1 || errno != ENOENT)
return (f);