zramctl: use xstrncpy()

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/sys-utils/zramctl.c b/sys-utils/zramctl.c
index dedfa345e9caa85b125004328301e168da52eede..83c260db53875b22194d4e7fbef252f8a1c1cd6a 100644 (file)
--- a/sys-utils/zramctl.c
+++ b/sys-utils/zramctl.c
@@ -163,10 +163,8 @@ static void zram_set_devname(struct zram *z, const char *devname, size_t n)
 
        if (!devname)
                snprintf(z->devname, sizeof(z->devname), "/dev/zram%zu", n);
-       else {
-               strncpy(z->devname, devname, sizeof(z->devname));
-               z->devname[sizeof(z->devname) - 1] = '\0';
-       }
+       else
+               xstrncpy(z->devname, devname, sizeof(z->devname));
 
        DBG(fprintf(stderr, "set devname: %s", z->devname));
        ul_unref_path(z->sysfs);