diff options
| author | Chad Loder <cloder@cvs.openbsd.org> | 2005-06-02 15:04:26 +0000 |
|---|---|---|
| committer | Chad Loder <cloder@cvs.openbsd.org> | 2005-06-02 15:04:26 +0000 |
| commit | a85e4e75702572a5ce69f9e626b81fba39713881 (patch) | |
| tree | a4678a07f27b15dd82f71ba81f5896074581a77f /sbin/dhclient/privsep.c | |
| parent | 456706b3605f46602a6cf2e4fdfca609a7d2fc69 (diff) | |
Make buf_add a no-op if length == 0. OK henning
Diffstat (limited to 'sbin/dhclient/privsep.c')
| -rw-r--r-- | sbin/dhclient/privsep.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sbin/dhclient/privsep.c b/sbin/dhclient/privsep.c index cf47e56ceb6..83a4112a5d1 100644 --- a/sbin/dhclient/privsep.c +++ b/sbin/dhclient/privsep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: privsep.c,v 1.7 2004/05/10 18:34:42 deraadt Exp $ */ +/* $OpenBSD: privsep.c,v 1.8 2005/06/02 15:04:25 cloder Exp $ */ /* * Copyright (c) 2004 Henning Brauer <henning@openbsd.org> @@ -38,6 +38,9 @@ buf_open(size_t len) int buf_add(struct buf *buf, void *data, size_t len) { + if (len == 0) + return (0); + if (buf->wpos + len > buf->size) return (-1); |