[git commit master] udhcpd: fix hostname truncation bug 1663

[Denys Vlasenko]

commit: http://git.busybox.net/busybox/commit/?id=fde3fb3009765b273d4d717a7e4609ff7f9461ae
branch: http://git.busybox.net/busybox/commit/?id=refs/heads/master

Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 networking/udhcp/leases.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/networking/udhcp/leases.c b/networking/udhcp/leases.c
index 4999d80..fad71ec 100644
--- a/networking/udhcp/leases.c
+++ b/networking/udhcp/leases.c
@@ -60,6 +60,8 @@ struct dyn_lease* FAST_FUNC add_lease(
 		memset(oldest, 0, sizeof(*oldest));
 		if (hostname) {
 			char *p;
+
+			hostname_len++; /* include NUL */
 			if (hostname_len > sizeof(oldest->hostname))
 				hostname_len = sizeof(oldest->hostname);
 			p = safe_strncpy(oldest->hostname, hostname, hostname_len);
-- 
1.6.3.3