[stgt] [PATCH] bs_sheepdog.c: fix an unsafe strncpy() call

[Hitoshi Mitake]

The strncpy() call doesn't take a null terminator into account. On
some environment, it conflicts with __builtin___strncpy_chk() and gcc
warns.

Signed-off-by: Hitoshi Mitake <mitake.hitoshi at lab.ntt.co.jp>
---
 usr/bs_sheepdog.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/usr/bs_sheepdog.c b/usr/bs_sheepdog.c
index 1dda915..16547d0 100644
--- a/usr/bs_sheepdog.c
+++ b/usr/bs_sheepdog.c
@@ -398,7 +398,7 @@ static int connect_to_sdog_unix(const char *path)
 
 	memset(&un, 0, sizeof(un));
 	un.sun_family = AF_UNIX;
-	strncpy(un.sun_path, path, UNIX_PATH_MAX);
+	strncpy(un.sun_path, path, UNIX_PATH_MAX - 1);
 
 	ret = connect(fd, (const struct sockaddr *)&un, (socklen_t)sizeof(un));
 	if (ret < 0) {
-- 
1.8.1.2

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