size some stringbuffer to prevent re-alloc

I started with 32 and kept doubling the size until the site
did not need re-alloc, but clamped it at 512 (e.g. in emfio/).

Change-Id: Ib7caf35a1b7e42b0e4ed8aa812493449e3eefc8f
Reviewed-on: https://gerrit.libreoffice.org/81540
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 3 insertions, 3 deletions

diff --git a/writerfilter/source/rtftok/rtfdocumentimpl.hxx b/writerfilter/source/rtftok/rtfdocumentimpl.hxx
index 5ee84d791e5c..360c753172b7 100644
--- a/writerfilter/source/rtftok/rtfdocumentimpl.hxx
+++ b/writerfilter/source/rtftok/rtfdocumentimpl.hxx
@@ -590,7 +590,7 @@ private:
     sal_uInt16 m_nMinute;
 
     /// Text from special destinations.
-    OUStringBuffer m_aDestinationText;
+    OUStringBuffer m_aDestinationText{ 512 };
     /// point to the buffer of the current destination
     OUStringBuffer* m_pCurrentDestinationText;
 
@@ -931,9 +931,9 @@ private:
     /// For the INCLUDEPICTURE field's argument.
     OUString m_aPicturePath;
     // Unicode characters are collected here so we don't have to send them one by one.
-    OUStringBuffer m_aUnicodeBuffer;
+    OUStringBuffer m_aUnicodeBuffer{ 512 };
     /// Same for hex characters.
-    OStringBuffer m_aHexBuffer;
+    OStringBuffer m_aHexBuffer{ 512 };
     /// Formula import.
     oox::formulaimport::XmlStreamBuilder m_aMathBuffer;
     /// Normal text property, that is math italic and math spacing are not applied to the current run.