simplify "a = a +" to "a +="

mostly so that my stringadd loplugin can point out places to improve

Change-Id: I9920ee1c99cdb6b811ba67ff9d8e32aa261884b5
Reviewed-on: https://gerrit.libreoffice.org/80618
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

3 files changed, 8 insertions, 9 deletions

diff --git a/stoc/source/defaultregistry/defaultregistry.cxx b/stoc/source/defaultregistry/defaultregistry.cxx
index 71a637309c5a..f0a4d0ff18a3 100644
--- a/stoc/source/defaultregistry/defaultregistry.cxx
+++ b/stoc/source/defaultregistry/defaultregistry.cxx
@@ -827,7 +827,7 @@ sal_Bool SAL_CALL NestedKeyImpl::createLink( const OUString& aLinkName, const OU
             throw InvalidRegistryException();
         }
 
-        resolvedName = resolvedName + aLinkName.copy(lastIndex);
+        resolvedName += aLinkName.copy(lastIndex);
     }
     else
     {
@@ -882,7 +882,7 @@ void SAL_CALL NestedKeyImpl::deleteLink( const OUString& rLinkName )
             throw InvalidRegistryException();
         }
 
-        resolvedName = resolvedName + rLinkName.copy(lastIndex);
+        resolvedName += rLinkName.copy(lastIndex);
     }
     else
     {
@@ -925,7 +925,7 @@ OUString SAL_CALL NestedKeyImpl::getLinkTarget( const OUString& rLinkName )
             throw InvalidRegistryException();
         }
 
-        resolvedName = resolvedName + rLinkName.copy(lastIndex);
+        resolvedName += rLinkName.copy(lastIndex);
     }
     else
     {
diff --git a/stoc/source/implementationregistration/implreg.cxx b/stoc/source/implementationregistration/implreg.cxx
index c3d0f1e38820..730dd7febdd8 100644
--- a/stoc/source/implementationregistration/implreg.cxx
+++ b/stoc/source/implementationregistration/implreg.cxx
@@ -194,7 +194,7 @@ void prepareLink( const Reference < XSimpleRegistry > & xDest,
 
     if (pShortName)
     {
-        linkRefName = linkRefName + link.copy(pShortName - pTmpName + 1);
+        linkRefName += link.copy(pShortName - pTmpName + 1);
         linkName = link.copy(0, pShortName - pTmpName);
     }
 
@@ -515,7 +515,7 @@ void prepareUserKeys(const Reference < XSimpleRegistry >& xDest,
         OUString linkTarget = xKey->getLinkTarget(relativKey);
         OUString linkName(xKey->getKeyName().copy(xUnoKey->getKeyName().getLength()));
 
-        linkName = linkName + "/" + relativKey;
+        linkName += "/" + relativKey;
 
         if (bRegister)
         {
diff --git a/stoc/source/javavm/javavm.cxx b/stoc/source/javavm/javavm.cxx
index 71ffbb3fffb1..c6b3bd19dbf8 100644
--- a/stoc/source/javavm/javavm.cxx
+++ b/stoc/source/javavm/javavm.cxx
@@ -473,8 +473,7 @@ void getJavaPropsFromSafetySettings(
             case 3: sVal = "none";
                 break;
             }
-            OUString sProperty("appletviewer.security.mode=");
-            sProperty= sProperty + sVal;
+            OUString sProperty = "appletviewer.security.mode=" + sVal;
             pjvm->pushProp(sProperty);
         }
         css::uno::Reference<css::registry::XRegistryKey> key_CheckSecurity= xRegistryRootKey->openKey(
@@ -484,9 +483,9 @@ void getJavaPropsFromSafetySettings(
             bool val = static_cast<bool>(key_CheckSecurity->getLongValue());
             OUString sProperty("stardiv.security.disableSecurity=");
             if( val)
-                sProperty= sProperty + "false";
+                sProperty += "false";
             else
-                sProperty= sProperty + "true";
+                sProperty += "true";
             pjvm->pushProp( sProperty);
         }
     }