in get_input(), simplify to avoid an unnecessary key_buffer_len check

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3869 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

@@ -4,6 +4,9 @@ CVS code -
 	  properly reset when we get out of all statusbar prompts.
 	  Changes to do_insertfile(), do_writeout(),
 	  handle_sigwinch(), main(), and do_prompt_abort(). (DLR)
+- winio.c:
+  get_input()
+	- Simplify to avoid an unnecessary key_buffer_len check. (DLR)
 
 GNU nano 1.9.99pre1 - 2006.08.29
 - General:

src/winio.c

@@ -254,10 +254,12 @@ int *get_input(WINDOW *win, size_t input_len)
 #endif
 
     if (key_buffer_len == 0) {
-	if (win != NULL)
+	if (win != NULL) {
 	    get_key_buffer(win);
 
-	if (key_buffer_len == 0)
+	    if (key_buffer_len == 0)
+		return NULL;
+	} else
 	    return NULL;
     }