From 17cfe9b2cfac971922bbd49cabb2fa6d2ee2c99e Mon Sep 17 00:00:00 2001
From: Thiago Macieira <thiago.macieira@intel.com>
Date: Tue, 23 Apr 2024 17:34:01 -0700
Subject: [PATCH] QResource: move the internal classes to unnamed namespaces

So the compiler has more opportunities to inline and to not emit out-of-
line copies.

Change-Id: I6979d02a7395405cbf23fffd17c9101b2b52472a
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@gmx.de>
Reviewed-by: Ahmad Samir <a.samirh78@gmail.com>
(cherry picked from commit fe6dda9bb9310878b408b2421f60acb7135bd8ba)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
---
 src/corelib/io/qresource.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/corelib/io/qresource.cpp b/src/corelib/io/qresource.cpp
index 7360595eaf3..d5b23722f74 100644
--- a/src/corelib/io/qresource.cpp
+++ b/src/corelib/io/qresource.cpp
@@ -65,6 +65,7 @@ RCC_FEATURE_SYMBOL(Zstd)
 
 #undef RCC_FEATURE_SYMBOL
 
+namespace {
 class QStringSplitter
 {
 public:
@@ -159,15 +160,18 @@ static QString cleanPath(const QString &_path)
         path.remove(0, 1);
     return path;
 }
+} // unnamed namespace
 
 Q_DECLARE_TYPEINFO(QResourceRoot, Q_RELOCATABLE_TYPE);
 
 typedef QList<QResourceRoot*> ResourceList;
+namespace {
 struct QResourceGlobalData
 {
     QRecursiveMutex resourceMutex;
     ResourceList resourceList;
 };
+}
 Q_GLOBAL_STATIC(QResourceGlobalData, resourceGlobalData)
 
 static inline QRecursiveMutex &resourceMutex()
@@ -1031,8 +1035,8 @@ Q_CORE_EXPORT bool qUnregisterResourceData(int version, const unsigned char *tre
     return false;
 }
 
+namespace {
 // run time resource creation
-
 class QDynamicBufferResourceRoot : public QResourceRoot
 {
     QString root;
@@ -1131,6 +1135,7 @@ public:
 
     bool registerSelf(const QString &f);
 };
+} // unnamed namespace
 
 #ifndef MAP_FILE
 #  define MAP_FILE 0