Re: [Libguestfs] [libnbd PATCH 11/23] generator/C: print_trace_enter: break "enter" to a common new line

Going forward, we'd like to wrap long string literals. The recently introduced "pr_wrap_cstr" function may only be called right after the opening quote of the string literal has been produced. In the "print_trace_enter" function, we start a long string literal with "enter:"; however, because we either pass the literal to debug() or debug_direct(), this "enter:" is spelled out twice. Factor "enter:" out to a common line, also ensuring that we'll have as much room for wrapping as possible. Example effect [lib/api.c]: > @@ -6220,7 +6360,8 @@ nbd_supports_uri (struct nbd_handle *h) > > /* This function must not call set_error. */ > if_debug (h) { > - debug_direct (h, "nbd_supports_uri", "enter:"); > + debug_direct (h, "nbd_supports_uri", > + "enter:"); > } > > ret = nbd_unlocked_supports_uri (h); > @@ -6260,7 +6401,8 @@ nbd_get_uri (struct nbd_handle *h) > > pthread_mutex_lock (&h->lock); > if_debug (h) { > - debug (h, "enter:"); > + debug (h, > + "enter:");