From f0fe66c675b94b17a5671615445658e6b936c003 Mon Sep 17 00:00:00 2001
From: Volker Birk <vb@pep-project.org>
Date: Fri, 26 Jun 2020 18:30:37 +0200
Subject: [PATCH] max_size guaranteed

---
 passphrase_cache.cc | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/passphrase_cache.cc b/passphrase_cache.cc
index 196a352..6b372bf 100644
--- a/passphrase_cache.cc
+++ b/passphrase_cache.cc
@@ -4,6 +4,8 @@ namespace pEp {
     void PassphraseCache::add(std::string passphrase)
     {
         std::lock_guard<std::mutex> lock(_mtx);
+        while (_cache.size() >= _max_size)
+            _cache.pop_front();
         _cache.push_back({passphrase, clock::now()});
     }
 
@@ -26,8 +28,6 @@ namespace pEp {
     {
         while (!_cache.empty() && _cache.front().tp < clock::now() - _timeout)
             _cache.pop_front();
-        while (_cache.size() > _max_size)
-            _cache.pop_front();
     }
 
     void PassphraseCache::refresh(cache::iterator entry)