QHstsCache - do not mix const/non-const iterators

Found by clazy (clazy-strict-iterators). QMap::find returns
'iterator' and this is what we need, since we need to modify
the value referenced by this iterator. But QMap::insert only
accepts 'const_iterator' and clazy warns about mixed const/non-const
iterators (though actually QHstsCache does not have the original
problem this check it trying to find). Since we do not share
cache and do not want to try detaching on non-const access, we
can use std::map which conveniently has 'insert' taking 'iterator'
as its first parameter. As a bonus this will also fix another
warning from clazy-range-loop check (when iterating over such
a non-const map).

Change-Id: Id82991cefce33723d177ed04058d15295e9b71d7
Reviewed-by: Timur Pocheptsov <timur.pocheptsov@qt.io>

2 files changed, 11 insertions, 10 deletions

diff --git a/src/network/access/qhsts.cpp b/src/network/access/qhsts.cpp
index 6a731afc2f..43a8a3663e 100644
--- a/src/network/access/qhsts.cpp
+++ b/src/network/access/qhsts.cpp
@@ -136,7 +136,7 @@ void QHstsCache::updateKnownHost(const QString &host, const QDateTime &expires,
             return;
         }
 
-        knownHosts.insert(pos, hostName, newPolicy);
+        knownHosts.insert(pos, {hostName, newPolicy});
         if (hstsStore)
             hstsStore->addToObserved(newPolicy);
         return;
@@ -144,8 +144,8 @@ void QHstsCache::updateKnownHost(const QString &host, const QDateTime &expires,
 
     if (newPolicy.isExpired())
         knownHosts.erase(pos);
-    else  if (*pos != newPolicy)
-        *pos = std::move(newPolicy);
+    else  if (pos->second != newPolicy)
+        pos->second = std::move(newPolicy);
     else
         return;
 
@@ -185,13 +185,13 @@ bool QHstsCache::isKnownHost(const QUrl &url) const
     while (nameToTest.fragment.size()) {
         auto const pos = knownHosts.find(nameToTest);
         if (pos != knownHosts.end()) {
-            if (pos.value().isExpired()) {
+            if (pos->second.isExpired()) {
                 knownHosts.erase(pos);
                 if (hstsStore) {
                     // Inform our store that this policy has expired.
-                    hstsStore->addToObserved(pos.value());
+                    hstsStore->addToObserved(pos->second);
                 }
-            } else if (!superDomainMatch || pos.value().includesSubDomains()) {
+            } else if (!superDomainMatch || pos->second.includesSubDomains()) {
                 return true;
             }
         }
@@ -215,9 +215,9 @@ void QHstsCache::clear()
 QVector<QHstsPolicy> QHstsCache::policies() const
 {
     QVector<QHstsPolicy> values;
-    values.reserve(knownHosts.size());
+    values.reserve(int(knownHosts.size()));
     for (const auto &host : knownHosts)
-        values << host;
+        values << host.second;
     return values;
 }
 
diff --git a/src/network/access/qhsts_p.h b/src/network/access/qhsts_p.h
index 2feb73b446..bc8708341d 100644
--- a/src/network/access/qhsts_p.h
+++ b/src/network/access/qhsts_p.h
@@ -61,7 +61,8 @@
 #include <QtCore/qglobal.h>
 #include <QtCore/qpair.h>
 #include <QtCore/qurl.h>
-#include <QtCore/qmap.h>
+
+#include <map>
 
 QT_BEGIN_NAMESPACE
 
@@ -117,7 +118,7 @@ private:
         QStringRef fragment;
     };
 
-    mutable QMap<HostName, QHstsPolicy> knownHosts;
+    mutable std::map<HostName, QHstsPolicy> knownHosts;
     QHstsStore *hstsStore = nullptr;
 };