From 837e2d9f9e700a58f3536f97206c2abf39cd4303 Mon Sep 17 00:00:00 2001
From: aozhiwei <aozhiwe@kingsome.cn>
Date: Fri, 22 May 2020 16:11:07 +0800
Subject: [PATCH] add SafeStrCmp

---
 a8/strutils.cc | 5 +++++
 a8/strutils.h  | 1 +
 2 files changed, 6 insertions(+)

diff --git a/a8/strutils.cc b/a8/strutils.cc
index 0255863..37361e8 100644
--- a/a8/strutils.cc
+++ b/a8/strutils.cc
@@ -393,4 +393,9 @@ namespace a8
         return true;
     }
 
+    int SafeStrCmp(const char* s1, const char* s2)
+    {
+        return strcmp(s1 ? s1 : "", s2 ? s2 : "");
+    }
+
 }
diff --git a/a8/strutils.h b/a8/strutils.h
index 5ecb86d..929a586 100644
--- a/a8/strutils.h
+++ b/a8/strutils.h
@@ -27,6 +27,7 @@ namespace a8
     std::string JsonEscapeString(const std::string& str);
     std::string IntToFixedString(int val, int n);
     bool ReadStringFromFile(const std::string& filename, std::string& data);
+    int SafeStrCmp(const char* s1, const char* s2);
 
 }