1 files changed, 16 insertions, 7 deletions
diff --git a/src/lauxlib.js b/src/lauxlib.js
index d575e99..2276bd0 100644
--- a/src/lauxlib.js
+++ b/src/lauxlib.js
@@ -290,11 +290,19 @@ const luaL_fileresult = function(L, stat, fname, e) {
         return 1;
     } else {
         lua_pushnil(L);
+        let message, errno;
+        if (e) {
+            message = e.message;
+            errno = -e.errno;
+        } else {
+            message = "Success"; /* what strerror(0) returns */
+            errno = 0;
+        }
         if (fname)
-            lua_pushfstring(L, to_luastring("%s: %s"), fname, to_luastring(e.message));
+            lua_pushfstring(L, to_luastring("%s: %s"), fname, to_luastring(message));
         else
-            lua_pushstring(L, to_luastring(e.message));
-        lua_pushinteger(L, -e.errno);
+            lua_pushstring(L, to_luastring(message));
+        lua_pushinteger(L, errno);
         return 3;
     }
 };
@@ -850,8 +858,9 @@ if (typeof process === "undefined") {
             let path = to_uristring(filename);
             let xhr = new XMLHttpRequest();
             xhr.open("GET", path, false);
-            /* XXX: Synchronous xhr in main thread always returns a js string
-                Additionally, some browsers make console noise if you even attempt to set responseType
+            /*
+            Synchronous xhr in main thread always returns a js string.
+            Some browsers make console noise if you even attempt to set responseType
             */
             if (typeof window === "undefined") {
                 xhr.responseType = "arraybuffer";
@@ -871,7 +880,7 @@ if (typeof process === "undefined") {
         let com = skipcomment(lf);
         /* check for signature first, as we don't want to add line number corrections in binary case */
         if (com.c === LUA_SIGNATURE[0] && filename) {  /* binary file? */
-            /* no need to re-open in node.js */
+            /* no need to re-open */
         } else if (com.skipped) { /* read initial portion */
             lf.buff[lf.n++] = 10 /* '\n'.charCodeAt(0) */;  /* add line to correct line numbers */
         }
@@ -949,7 +958,7 @@ if (typeof process === "undefined") {
         let com = skipcomment(lf);
         /* check for signature first, as we don't want to add line number corrections in binary case */
         if (com.c === LUA_SIGNATURE[0] && filename) {  /* binary file? */
-            /* no need to re-open in node.js */
+            /* no need to re-open */
         } else if (com.skipped) { /* read initial portion */
             lf.buff[lf.n++] = 10 /* '\n'.charCodeAt(0) */;  /* add line to correct line numbers */
         }