see commit eddda371 ("convert strncpy to memcpy", 24-09-2015).

Signed-off-by: Ramsay Jones <ram...@ramsayjones.plus.com>
---
 index-helper.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/index-helper.c b/index-helper.c
index 4a8e2ae..00f286a 100644
--- a/index-helper.c
+++ b/index-helper.c
@@ -317,7 +317,7 @@ static int setup_socket(const char *socket_path)
                return -1;
 
        address.sun_family = AF_UNIX;
-       strncpy(address.sun_path, socket_path, sizeof(address.sun_path));
+       memcpy(address.sun_path, socket_path, len+1); /* include '\0' */
 
        if (bind(fd, (struct sockaddr *) &address, sizeof(address)))
                die_errno(_("failed to bind to socket %s"), socket_path);
-- 
2.8.0
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