new loplugin:bufferadd

look for OUStringBuffer append sequences that can be turned
into creating an OUString with + operations

Change-Id: Ica840dc096000307b4a105fb4d9ec7588a15ade6
Reviewed-on: https://gerrit.libreoffice.org/80809
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

4 files changed, 12 insertions, 21 deletions

diff --git a/desktop/source/deployment/misc/dp_identifier.cxx b/desktop/source/deployment/misc/dp_identifier.cxx
index 2c429890d0e9..bb90b8bb0d2f 100644
--- a/desktop/source/deployment/misc/dp_identifier.cxx
+++ b/desktop/source/deployment/misc/dp_identifier.cxx
@@ -50,10 +50,7 @@ OUString getIdentifier(
 }
 
 OUString generateLegacyIdentifier(OUString const & fileName) {
-    OUStringBuffer b;
-    b.append("org.openoffice.legacy.");
-    b.append(fileName);
-    return b.makeStringAndClear();
+    return "org.openoffice.legacy." + fileName;
 }
 
 }
diff --git a/desktop/source/deployment/registry/configuration/dp_configuration.cxx b/desktop/source/deployment/registry/configuration/dp_configuration.cxx
index d991f9b48071..40d0ee9c8b3c 100644
--- a/desktop/source/deployment/registry/configuration/dp_configuration.cxx
+++ b/desktop/source/deployment/registry/configuration/dp_configuration.cxx
@@ -229,9 +229,9 @@ BackendImpl::BackendImpl(
             }
             catch (const Exception &e)
             {
-                OUStringBuffer aStr( "Exception loading legacy package database: '" );
-                aStr.append( e.Message );
-                aStr.append( "' - ignoring file, please remove it.\n" );
+                OUString aStr = "Exception loading legacy package database: '" +
+                    e.Message +
+                    "' - ignoring file, please remove it.\n";
                 dp_misc::writeConsole( aStr.getStr() );
             }
         }
diff --git a/desktop/source/lib/init.cxx b/desktop/source/lib/init.cxx
index 048b358175c4..cd604f939d8b 100644
--- a/desktop/source/lib/init.cxx
+++ b/desktop/source/lib/init.cxx
@@ -5127,10 +5127,10 @@ static void force_c_locale()
 
 static void aBasicErrorFunc(const OUString& rError, const OUString& rAction)
 {
-    OStringBuffer aBuffer("Unexpected dialog: ");
-    aBuffer.append(OUStringToOString(rAction, RTL_TEXTENCODING_ASCII_US));
-    aBuffer.append(" Error: ");
-    aBuffer.append(OUStringToOString(rError, RTL_TEXTENCODING_ASCII_US));
+    OString aBuffer = "Unexpected dialog: " +
+        OUStringToOString(rAction, RTL_TEXTENCODING_ASCII_US) +
+        " Error: " +
+        OUStringToOString(rError, RTL_TEXTENCODING_ASCII_US);
 
     fprintf(stderr, "Unexpected basic error dialog '%s'\n", aBuffer.getStr());
 }
diff --git a/desktop/source/pkgchk/unopkg/unopkg_misc.cxx b/desktop/source/pkgchk/unopkg/unopkg_misc.cxx
index aebf71fc26d1..ff1b9dc6e0bf 100644
--- a/desktop/source/pkgchk/unopkg/unopkg_misc.cxx
+++ b/desktop/source/pkgchk/unopkg/unopkg_misc.cxx
@@ -356,12 +356,9 @@ Reference<XComponentContext> connectToOffice(
     bool verbose )
 {
     OUString pipeId( ::dp_misc::generateRandomPipeId() );
-    OUStringBuffer buf;
-    buf.append( "--accept=pipe,name=" );
-    buf.append( pipeId );
-    buf.append( ";urp;" );
+    OUString acceptArg = "--accept=pipe,name=" + pipeId + ";urp;";
 
-    Sequence<OUString> args { "--nologo", "--nodefault", buf.makeStringAndClear() };
+    Sequence<OUString> args { "--nologo", "--nodefault", acceptArg };
     OUString appURL( getExecutableDir() + "/soffice" );
 
     if (verbose)
@@ -377,13 +374,10 @@ Reference<XComponentContext> connectToOffice(
     if (verbose)
         dp_misc::writeConsole("OK.  Connecting...");
 
-    OSL_ASSERT( buf.isEmpty() );
-    buf.append( "uno:pipe,name=" );
-    buf.append( pipeId );
-    buf.append( ";urp;StarOffice.ComponentContext" );
+    OUString sUnoUrl = "uno:pipe,name=" + pipeId + ";urp;StarOffice.ComponentContext";
     Reference<XComponentContext> xRet(
         ::dp_misc::resolveUnoURL(
-            buf.makeStringAndClear(), xLocalComponentContext ),
+            sUnoUrl, xLocalComponentContext ),
         UNO_QUERY_THROW );
     if (verbose)
         dp_misc::writeConsole("OK.\n");