Bug 345319: installation of an engine with a very long name can fail, original patch by Joey Minta <jminta@gmail.com>, r=mconnor

browser/components/search/nsSearchService.js

@@ -665,6 +665,7 @@ function getSanitizedFile(aName) {
  */
 function sanitizeName(aName) {
   const chars = "-abcdefghijklmnopqrstuvwxyz0123456789";
+  const maxLength = 60;
 
   var name = aName.toLowerCase();
   name = name.replace(/ /g, "-");
@@ -679,6 +680,9 @@ function sanitizeName(aName) {
       name += chars.charAt(Math.round(Math.random() * cl));
   }
 
+  if (name.length > maxLength)
+    name = name.substring(0, maxLength);
+
   return name;
 }