Ensure synchronous tmpfile writes, deletes

lib/openssl.js

@@ -198,24 +198,25 @@ function spawnWrapper (params, tmpfiles, binary, callback) {
 
   if (tmpfiles) {
     tmpfiles = [].concat(tmpfiles)
-    params.forEach(function (value, i) {
-      var fpath
-      if (value === '--TMPFILE--') {
+    var fpath, i
+    for (i = 0; i < params.length; i++) {
+      if (params[i] === '--TMPFILE--') {
         fpath = pathlib.join(tempDir, crypto.randomBytes(20).toString('hex'))
         files.push({
           path: fpath,
           contents: tmpfiles.shift()
         })
         params[i] = fpath
-        delTempPWFiles[delTempPWFiles.length] = fpath
+        delTempPWFiles.push(fpath)
       }
-    })
+    }
   }
 
-  // TODO: need to refactored
-  files.forEach(function (file) {
+  var file
+  for (i = 0; i < files.length; i++) {
+    file = files[i]
     fs.writeFileSync(file.path, file.contents)
-  })
+  }
 
   spawn(params, binary, function (err, code, stdout, stderr) {
     helper.deleteTempFiles(delTempPWFiles, function (fsErr) {