From 46dcf51ca5bc04d1b83eb8e9ae654c0e5f234dcb Mon Sep 17 00:00:00 2001
From: Mayank Agarwal <amayank@fb.com>
Date: Fri, 30 Aug 2013 12:16:45 -0700
Subject: [PATCH] Return a '/' before names of all files through MakeFileName

Summary: // won't hurt but a missing / hurts sometimes

Test Plan: make all check; ./db_repl_stress

Reviewers: vamsi

Reviewed By: vamsi

CC: dhruba

Differential Revision: https://reviews.facebook.net/D12621
---
 db/filename.cc | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/db/filename.cc b/db/filename.cc
index b649628a9..f47855289 100644
--- a/db/filename.cc
+++ b/db/filename.cc
@@ -46,13 +46,10 @@ extern Status WriteStringToFileSync(Env* env, const Slice& data,
 static std::string MakeFileName(const std::string& name, uint64_t number,
                                 const char* suffix) {
   char buf[100];
-  snprintf(buf, sizeof(buf), "%06llu.%s",
+  snprintf(buf, sizeof(buf), "/%06llu.%s",
            static_cast<unsigned long long>(number),
            suffix);
-  if (name.empty()) {
-    return buf;
-  }
-  return name + "/" + buf;
+  return name + buf;
 }
 
 std::string LogFileName(const std::string& name, uint64_t number) {