From: Yanqin Jin <yanqin@fb.com>
Date: Wed, 23 May 2018 22:59:16 +0000 (-0700)
Subject: Specify the underlying type of enums.
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=4011012d9d92658d38cdeaba310bec9189ee4d6d;p=rocksdb.git

Specify the underlying type of enums.

Summary:
Explicitly specify the underlying type of enums help developers understand the physical storage.
Closes https://github.com/facebook/rocksdb/pull/3892

Differential Revision: D8107027

Pulled By: riversand963

fbshipit-source-id: a00efecbba46df4a3c8eed0994a2d4972ad1a1d3
---

diff --git a/db/version_edit.cc b/db/version_edit.cc
index dd84d098..ad916036 100644
--- a/db/version_edit.cc
+++ b/db/version_edit.cc
@@ -20,7 +20,7 @@ namespace rocksdb {
 
 // Tag numbers for serialized VersionEdit.  These numbers are written to
 // disk and should not be changed.
-enum Tag {
+enum Tag : uint32_t {
   kComparator = 1,
   kLogNumber = 2,
   kNextFileNumber = 3,
@@ -42,7 +42,7 @@ enum Tag {
   kMaxColumnFamily = 203,
 };
 
-enum CustomTag {
+enum CustomTag : uint32_t {
   kTerminate = 1,  // The end of customized fields
   kNeedCompaction = 2,
   // Since Manifest is not entirely currently forward-compatible, and the only