libs/iwinfo: forgot to clear string buffer in wrapper function

[project/luci.git] / libs / iwinfo / src / iwinfo_lualib.h

diff --git a/libs/iwinfo/src/iwinfo_lualib.h b/libs/iwinfo/src/iwinfo_lualib.h
index 410a084..9840466 100644 (file)
--- a/libs/iwinfo/src/iwinfo_lualib.h
+++ b/libs/iwinfo/src/iwinfo_lualib.h
@@ -51,6 +51,7 @@
        {                                                                                                       \
                const char *ifname = luaL_checkstring(L, 1);    \
                char rv[IWINFO_BUFSIZE];                                                \
+               memset(rv, 0, IWINFO_BUFSIZE);                                  \
                if( !type##_get_##op(ifname, rv) )                              \
                        lua_pushstring(L, rv);                                          \
                else                                                                                    \