1 files changed, 16 insertions, 4 deletions
diff --git a/src/library.js b/src/library.js
index aa1fd242..78dd629b 100644
--- a/src/library.js
+++ b/src/library.js
@@ -445,6 +445,14 @@ LibraryManager.library = {
     standardizePath: function(path) {
       if (path.substr(0, 2) == './') path = path.substr(2);
       return path;
+    },
+
+    deleteFile: function(path) {
+      var path = FS.analyzePath(path);
+      if (!path.parentExists || !path.exists) {
+        throw 'Invalid path ' + path;
+      }
+      delete path.parentObject.contents[path.name];
     }
   },
 
@@ -4642,16 +4650,20 @@ LibraryManager.library = {
   _ZTIPv: [0],
 
   llvm_uadd_with_overflow_i32: function(x, y) {
+    x = x>>>0;
+    y = y>>>0;
     return {
-      f0: x+y,
-      f1: 0 // We never overflow... for now
+      f0: (x+y)>>>0,
+      f1: x+y > 4294967295
     };
   },
 
   llvm_umul_with_overflow_i32: function(x, y) {
+    x = x>>>0;
+    y = y>>>0;
     return {
-      f0: x*y,
-      f1: 0 // We never overflow... for now
+      f0: (x*y)>>>0,
+      f1: x*y > 4294967295
     };
   },