fdo#86023 - O[U]String needs a 'clear' method

Added clear() method to OString and OUString class, Updated appropriate call-sites.

Change-Id: I0ba97fa6dc7af3e31b605953089a4e8e9c3e61ac
Signed-off-by: Stephan Bergmann <sbergman@redhat.com>

5 files changed, 9 insertions, 6 deletions

diff --git a/vcl/generic/fontmanager/fontconfig.cxx b/vcl/generic/fontmanager/fontconfig.cxx
index 1a9dd396fe4c..128193c26889 100644
--- a/vcl/generic/fontmanager/fontconfig.cxx
+++ b/vcl/generic/fontmanager/fontconfig.cxx
@@ -979,7 +979,7 @@ bool PrintFontManager::Substitute( FontSelectPattern &rPattern, OUString& rMissi
             //if the codepoint is impossible for this lang tag, then clear it
             //and autodetect something useful
             if (!aLangAttrib.isEmpty() && isImpossibleCodePointForLang(aLangTag, nCode))
-                aLangAttrib = OString();
+                aLangAttrib.clear();
             //#i105784#/rhbz#527719  improve selection of fallback font
             if (aLangAttrib.isEmpty())
             {
diff --git a/vcl/generic/fontmanager/helper.cxx b/vcl/generic/fontmanager/helper.cxx
index 3a313190ea80..aadfa0f29beb 100644
--- a/vcl/generic/fontmanager/helper.cxx
+++ b/vcl/generic/fontmanager/helper.cxx
@@ -206,7 +206,7 @@ OUString psp::getFontPath()
             struct stat aStat;
             if( 0 != stat( OUStringToOString( aPathBuffer.makeStringAndClear(), osl_getThreadTextEncoding() ).getStr(), &aStat )
                 || ! S_ISDIR( aStat.st_mode ) )
-                aConfigPath = OUString();
+                aConfigPath.clear();
             else
             {
                 aPathBuffer.append(aConfigPath);
diff --git a/vcl/generic/print/genprnpsp.cxx b/vcl/generic/print/genprnpsp.cxx
index d215a1de9750..910997ea00af 100644
--- a/vcl/generic/print/genprnpsp.cxx
+++ b/vcl/generic/print/genprnpsp.cxx
@@ -873,8 +873,11 @@ bool PspSalPrinter::StartJob(
     OSL_TRACE("PspSalPrinter::StartJob");
     GetSalData()->m_pInstance->jobStartedPrinterUpdate();
     m_bPdf      = false;
-    m_aFileName = pFileName ? *pFileName : OUString();
-    m_aTmpFile  = OUString();
+    if (pFileName)
+        m_aFileName = *pFileName;
+    else
+        m_aFileName.clear();
+    m_aTmpFile.clear();
     m_nCopies   = nCopies;
     m_bCollate  = bCollate;
 
diff --git a/vcl/generic/print/printerjob.cxx b/vcl/generic/print/printerjob.cxx
index 9635aa3c78d6..80d52b1ad1ed 100644
--- a/vcl/generic/print/printerjob.cxx
+++ b/vcl/generic/print/printerjob.cxx
@@ -385,7 +385,7 @@ PrinterJob::StartJob (
             aTitle = rFileName.getToken( 0, '/', nIndex );
         aTitle = WhitespaceToSpace( aTitle, false );
         if( ! isAscii( aTitle ) )
-            aTitle = OUString();
+            aTitle.clear();
     }
 
     maJobTitle = aFilterWS;
diff --git a/vcl/generic/print/text_gfx.cxx b/vcl/generic/print/text_gfx.cxx
index a228aa9bd50b..a262b826d8e2 100644
--- a/vcl/generic/print/text_gfx.cxx
+++ b/vcl/generic/print/text_gfx.cxx
@@ -114,7 +114,7 @@ PrinterGfx::SetFont(
     // font and encoding will be set by drawText again immediately
     // before PSShowText
     mnFontID                          = nFontID;
-    maVirtualStatus.maFont            = OString();
+    maVirtualStatus.maFont.clear();
     maVirtualStatus.maEncoding        = RTL_TEXTENCODING_DONTKNOW;
     maVirtualStatus.mnTextHeight      = nHeight;
     maVirtualStatus.mnTextWidth       = nWidth;