shithub: sox

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Stop if no Lua script given

--- a/src/luaform.c

+++ b/src/luaform.c

@@ -54,7 +54,10 @@

   lua->L = st_lua_new();

-  if ((ret = luaL_loadfile(lua->L, ft->signal.lua_script)) != 0) {

+  if (!ft->signal.lua_script) {

+    st_fail("no Lua script given");

+    return ST_EOF;

+  } else if ((ret = luaL_loadfile(lua->L, ft->signal.lua_script)) != 0) {

     st_fail("cannot load Lua script %s: error %d", ft->signal.lua_script, ret);

     return ST_EOF;

   }