From da8e8adc46d61b30d02174afb7cf2ed3d2018c18 Mon Sep 17 00:00:00 2001
From: Herman Venter <hermanv@fb.com>
Date: Mon, 10 Jun 2013 14:55:08 -0700
Subject: [PATCH] Add back a necessary null check

Diff 817612 added a null check, but inadvertently removed a null check.
---
 hphp/runtime/base/program_functions.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hphp/runtime/base/program_functions.cpp b/hphp/runtime/base/program_functions.cpp
index 8d7ad20bb..da8414dd1 100644
--- a/hphp/runtime/base/program_functions.cpp
+++ b/hphp/runtime/base/program_functions.cpp
@@ -706,7 +706,7 @@ static void prepare_args(int &argc, char **&argv, const StringVec &args,
                          const char *file) {
   argv = (char **)malloc((args.size() + 2) * sizeof(char*));
   argc = 0;
-  if (*file) {
+  if (file && *file) {
     argv[argc++] = (char*)file;
   }
   for (int i = 0; i < (int)args.size(); i++) {