From bc94ba4d1421b061e12eb187f553250223a1ff8d Mon Sep 17 00:00:00 2001
From: moneromooo-monero <moneromooo-monero@users.noreply.github.com>
Date: Thu, 2 May 2019 12:18:47 +0000
Subject: wallet: distinguish between empty and absent attributes

---
 src/wallet/wallet2.cpp | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

(limited to 'src/wallet/wallet2.cpp')

diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp
index 6554ef7d5..21f26bed4 100644
--- a/src/wallet/wallet2.cpp
+++ b/src/wallet/wallet2.cpp
@@ -11365,12 +11365,13 @@ void wallet2::set_attribute(const std::string &key, const std::string &value)
   m_attributes[key] = value;
 }
 
-std::string wallet2::get_attribute(const std::string &key) const
+bool wallet2::get_attribute(const std::string &key, std::string &value) const
 {
   std::unordered_map<std::string, std::string>::const_iterator i = m_attributes.find(key);
   if (i == m_attributes.end())
-    return std::string();
-  return i->second;
+    return false;
+  value = i->second;
+  return true;
 }
 
 void wallet2::set_description(const std::string &description)
@@ -11380,7 +11381,10 @@ void wallet2::set_description(const std::string &description)
 
 std::string wallet2::get_description() const
 {
-  return get_attribute(ATTRIBUTE_DESCRIPTION);
+  std::string s;
+  if (get_attribute(ATTRIBUTE_DESCRIPTION, s))
+    return s;
+  return "";
 }
 
 const std::pair<std::map<std::string, std::string>, std::vector<std::string>>& wallet2::get_account_tags()
-- 
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