QFontDatabase: append substitutes directly to the family list

Don't create tmp list.

Change-Id: I1aa80f1fb5589eb01ad2a41cf028b920a618a636
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>

1 files changed, 2 insertions, 7 deletions

diff --git a/src/gui/text/qfontdatabase.cpp b/src/gui/text/qfontdatabase.cpp
index e4c9b45dc2..359c461ad3 100644
--- a/src/gui/text/qfontdatabase.cpp
+++ b/src/gui/text/qfontdatabase.cpp
@@ -709,13 +709,8 @@ static QStringList familyList(const QFontDef &req)
     }
 
     // append the substitute list for each family in family_list
-    QStringList subs_list;
-    QStringList::ConstIterator it = family_list.constBegin(), end = family_list.constEnd();
-    for (; it != end; ++it)
-        subs_list += QFont::substitutes(*it);
-//         qDebug() << "adding substs: " << subs_list;
-
-    family_list += subs_list;
+    for (int i = 0, size = family_list.size(); i < size; ++i)
+        family_list += QFont::substitutes(family_list.at(i));
 
     return family_list;
 }