bugfix: fixed size of the array when initialized in the init_worker_by* phase. (openresty#2017)

Author: Johnny Wang

src/ngx_http_lua_initworkerby.c

@@ -118,14 +118,15 @@ ngx_http_lua_init_worker(ngx_cycle_t *cycle)
     ngx_queue_init(&fake_cycle->reusable_connections_queue);
 
     if (ngx_array_init(&fake_cycle->listening, cycle->pool,
-                       cycle->listening.nelts || 1,
+                       cycle->listening.nelts ? cycle->listening.nelts : 1,
                        sizeof(ngx_listening_t))
         != NGX_OK)
     {
         goto failed;
     }
 
-    if (ngx_array_init(&fake_cycle->paths, cycle->pool, cycle->paths.nelts || 1,
+    if (ngx_array_init(&fake_cycle->paths, cycle->pool,
+                       cycle->paths.nelts ? cycle->paths.nelts : 1,
                        sizeof(ngx_path_t *))
         != NGX_OK)
     {
@@ -135,7 +136,8 @@ ngx_http_lua_init_worker(ngx_cycle_t *cycle)
     part = &cycle->open_files.part;
     ofile = part->elts;
 
-    if (ngx_list_init(&fake_cycle->open_files, cycle->pool, part->nelts || 1,
+    if (ngx_list_init(&fake_cycle->open_files, cycle->pool,
+                      part->nelts ? part->nelts : 1,
                       sizeof(ngx_open_file_t))
         != NGX_OK)
     {