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authorAnton Kudryavtsev <a.kudryavtsev@netris.ru>2016-04-25 12:20:08 +0300
committerAnton Kudryavtsev <a.kudryavtsev@netris.ru>2016-04-26 12:20:49 +0000
commit943a658c0763b62eff9f1a234bf561645e77b1cf (patch)
tree534eb99dd011110c2bb26e93f20e54071d2e1fa0 /src/corelib/json
parent1880e8432fc6250c538a926c5e12bbb48cf92798 (diff)
QJsonObject: use reserve() to reduce memory allocations
Change-Id: I97821ffa0c485815c781dc4f98012b0b490da90a Reviewed-by: Edward Welbourne <edward.welbourne@theqtcompany.com> Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Diffstat (limited to 'src/corelib/json')
-rw-r--r--src/corelib/json/qjsonobject.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/corelib/json/qjsonobject.cpp b/src/corelib/json/qjsonobject.cpp
index 4ee20ef168..7badc9d929 100644
--- a/src/corelib/json/qjsonobject.cpp
+++ b/src/corelib/json/qjsonobject.cpp
@@ -304,6 +304,7 @@ QVariantHash QJsonObject::toVariantHash() const
{
QVariantHash hash;
if (o) {
+ hash.reserve(o->length);
for (uint i = 0; i < o->length; ++i) {
QJsonPrivate::Entry *e = o->entryAt(i);
hash.insert(e->key(), QJsonValue(d, o, e->value).toVariant());