Bugfix: crash when apcupsd isnt running

diff --git a/src/apcupsd.c b/src/apcupsd.c
index d6b6e76..7bec156 100644 (file)
--- a/src/apcupsd.c
+++ b/src/apcupsd.c
@@ -181,7 +181,7 @@ void update_apcupsd(void) {
                        break;
                }
 #ifdef HAVE_GETHOSTBYNAME_R
-               if (gethostbyname_r(info.apcupsd.host, &he_mem, hostbuff, sizeof(hostbuff), &he, &he_errno)) {
+               if (gethostbyname_r(info.apcupsd.host, &he_mem, hostbuff, sizeof(hostbuff), &he, &he_errno) || !he ) {
                        NORM_ERR("APCUPSD gethostbyname_r: %s", hstrerror(h_errno));
                        break;
                }