safer check for keystr containing a value

2008-09-17 16:00:34 +00:00
parent 0497178706
commit 84bd6f8645
1 changed files with 3 additions and 3 deletions
@@ -545,10 +545,10 @@ MODULE_EXPORT char *picoLCD_get_key(Driver *drvthis) {

 	debug(RPT_DEBUG, "picolcd: get_key complete (%s)", keystr);

-	if (! strlen(keystr))
-		return NULL;
+	if ((keystr != NULL) && (strlen(keystr) > 0))
+		return keystr;

-	return keystr;
+	return NULL;

 /* 
 * Due to how key events are reported, we need to keep reading key presses