network: Use QList::reserve(), reduces reallocations.

Change-Id: Ie0e8cbd28802826206d7e92584b5d56bb844fb09
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>

1 files changed, 6 insertions, 2 deletions

diff --git a/src/network/ssl/qsslsocket_openssl.cpp b/src/network/ssl/qsslsocket_openssl.cpp
index 436588afc5..55f0f3dd04 100644
--- a/src/network/ssl/qsslsocket_openssl.cpp
+++ b/src/network/ssl/qsslsocket_openssl.cpp
@@ -1199,7 +1199,9 @@ bool QSslSocketBackendPrivate::startHandshake()
     }
 
     // Translate errors from the error list into QSslErrors.
-    for (int i = 0; i < errorList.size(); ++i) {
+    const int numErrors = errorList.size();
+    errors.reserve(errors.size() + numErrors);
+    for (int i = 0; i < numErrors; ++i) {
         const QPair<int, int> &errorAndDepth = errorList.at(i);
         int err = errorAndDepth.first;
         int depth = errorAndDepth.second;
@@ -1761,7 +1763,9 @@ QList<QSslError> QSslSocketBackendPrivate::verify(const QList<QSslCertificate> &
     }
 
     // Translate errors from the error list into QSslErrors.
-    for (int i = 0; i < errorList.size(); ++i) {
+    const int numErrors = errorList.size();
+    errors.reserve(errors.size() + numErrors);
+    for (int i = 0; i < numErrors; ++i) {
         const QPair<int, int> &errorAndDepth = errorList.at(i);
         int err = errorAndDepth.first;
         int depth = errorAndDepth.second;