comphelper/source/misc/storagehelper.cxx     |    2 +-
 comphelper/source/streaming/memorystream.cxx |    9 +++++----
 include/comphelper/bytereader.hxx            |    2 +-
 package/source/xstor/owriteablestream.cxx    |   12 +++++++-----
 package/source/xstor/owriteablestream.hxx    |    2 +-
 5 files changed, 15 insertions(+), 12 deletions(-)

New commits:
commit fd2e907e448991e5c8b54acbe7e31bff24c8e875
Author:     Stephan Bergmann <sberg...@redhat.com>
AuthorDate: Mon Jul 18 11:28:34 2022 +0200
Commit:     Stephan Bergmann <sberg...@redhat.com>
CommitDate: Mon Jul 18 13:09:51 2022 +0200

    comphelper::ByteWriter::writeSomeBytes always writes all bytes
    
    ...so rename it to writeBytes for clarity, and drop the redundant return 
value.
    Also clarify that it has a narrow interface and requires nBytesToWrite to be
    non-negative.
    
    Change-Id: I76dee83fecd6350f473f55dcffb950c16aa22d93
    Reviewed-on: https://gerrit.libreoffice.org/c/core/+/137169
    Tested-by: Jenkins
    Reviewed-by: Stephan Bergmann <sberg...@redhat.com>

diff --git a/comphelper/source/misc/storagehelper.cxx 
b/comphelper/source/misc/storagehelper.cxx
index 5f8527bcf273..934261b0c500 100644
--- a/comphelper/source/misc/storagehelper.cxx
+++ b/comphelper/source/misc/storagehelper.cxx
@@ -194,7 +194,7 @@ void OStorageHelper::CopyInputToOutput(
         do
         {
             nRead = pByteReader->readSomeBytes ( aTempBuf, nConstBufferSize );
-            pByteWriter->writeSomeBytes ( aTempBuf, nRead );
+            pByteWriter->writeBytes ( aTempBuf, nRead );
         }
         while ( nRead == nConstBufferSize );
     }
diff --git a/comphelper/source/streaming/memorystream.cxx 
b/comphelper/source/streaming/memorystream.cxx
index 8bf3c3e90f5c..58380eb60d1e 100644
--- a/comphelper/source/streaming/memorystream.cxx
+++ b/comphelper/source/streaming/memorystream.cxx
@@ -18,6 +18,7 @@
  */
 
 #include <algorithm>
+#include <cassert>
 #include <memory>
 
 #include <boost/core/noinit_adaptor.hpp>
@@ -93,7 +94,7 @@ public:
     virtual sal_Int64 SAL_CALL getSomething( const css::uno::Sequence< 
sal_Int8 >& aIdentifier ) override;
 
     // comphelper::ByteWriter
-    virtual sal_Int32 writeSomeBytes(const sal_Int8* aData, sal_Int32 
nBytesToWrite) override;
+    virtual void writeBytes(const sal_Int8* aData, sal_Int32 nBytesToWrite) 
override;
 
 private:
     std::vector< sal_Int8, boost::noinit_adaptor<std::allocator<sal_Int8>> > 
maData;
@@ -226,10 +227,11 @@ void SAL_CALL UNOMemoryStream::writeBytes( const 
Sequence< sal_Int8 >& aData )
     mnCursor += nBytesToWrite;
 }
 
-sal_Int32 UNOMemoryStream::writeSomeBytes( const sal_Int8* pInData, sal_Int32 
nBytesToWrite )
+void UNOMemoryStream::writeBytes( const sal_Int8* pInData, sal_Int32 
nBytesToWrite )
 {
+    assert(nBytesToWrite >= 0);
     if( !nBytesToWrite )
-        return 0;
+        return;
 
     sal_Int64 nNewSize = static_cast<sal_Int64>(mnCursor) + nBytesToWrite;
     if( nNewSize > SAL_MAX_INT32 )
@@ -247,7 +249,6 @@ sal_Int32 UNOMemoryStream::writeSomeBytes( const sal_Int8* 
pInData, sal_Int32 nB
     memcpy(pCursor, pInData, nBytesToWrite);
 
     mnCursor += nBytesToWrite;
-    return nBytesToWrite;
 }
 
 void SAL_CALL UNOMemoryStream::flush()
diff --git a/include/comphelper/bytereader.hxx 
b/include/comphelper/bytereader.hxx
index a7e899098846..49d683f233b8 100644
--- a/include/comphelper/bytereader.hxx
+++ b/include/comphelper/bytereader.hxx
@@ -34,7 +34,7 @@ class COMPHELPER_DLLPUBLIC ByteWriter
 {
 public:
     virtual ~ByteWriter();
-    virtual sal_Int32 writeSomeBytes(const sal_Int8* aData, sal_Int32 
nBytesToWrite) = 0;
+    virtual void writeBytes(const sal_Int8* aData, sal_Int32 nBytesToWrite) = 
0;
 
     static const css::uno::Sequence<sal_Int8>& getUnoTunnelId();
 };
diff --git a/package/source/xstor/owriteablestream.cxx 
b/package/source/xstor/owriteablestream.cxx
index 6ecdb35b848f..e380d971c770 100644
--- a/package/source/xstor/owriteablestream.cxx
+++ b/package/source/xstor/owriteablestream.cxx
@@ -17,8 +17,10 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
-#include <memory>
 #include <sal/config.h>
+
+#include <cassert>
+#include <memory>
 #include <sal/log.hxx>
 
 #include <com/sun/star/packages/NoEncryptionException.hpp>
@@ -2099,8 +2101,10 @@ void SAL_CALL OWriteStream::writeBytes( const 
uno::Sequence< sal_Int8 >& aData )
     ModifyParentUnlockMutex_Impl( aGuard );
 }
 
-sal_Int32 OWriteStream::writeSomeBytes( const sal_Int8* pData, sal_Int32 
nBytesToWrite )
+void OWriteStream::writeBytes( const sal_Int8* pData, sal_Int32 nBytesToWrite )
 {
+    assert(nBytesToWrite >= 0);
+
     osl::ClearableMutexGuard aGuard(m_pData->m_xSharedMutex->GetMutex());
 
     // the write method makes initialization itself, since it depends from the 
aData length
@@ -2162,7 +2166,7 @@ sal_Int32 OWriteStream::writeSomeBytes( const sal_Int8* 
pData, sal_Int32 nBytesT
     if (xOutputTunnel)
         pByteWriter = reinterpret_cast< comphelper::ByteWriter* >( 
xOutputTunnel->getSomething( comphelper::ByteWriter::getUnoTunnelId() ) );
     if (pByteWriter)
-        nBytesToWrite = pByteWriter->writeSomeBytes(pData, nBytesToWrite);
+        pByteWriter->writeBytes(pData, nBytesToWrite);
     else
     {
         uno::Sequence<sal_Int8> aData(pData, nBytesToWrite);
@@ -2171,8 +2175,6 @@ sal_Int32 OWriteStream::writeSomeBytes( const sal_Int8* 
pData, sal_Int32 nBytesT
     m_pImpl->m_bHasDataToFlush = true;
 
     ModifyParentUnlockMutex_Impl( aGuard );
-
-    return nBytesToWrite;
 }
 
 sal_Int64 SAL_CALL OWriteStream::getSomething( const css::uno::Sequence< 
sal_Int8 >& rIdentifier )
diff --git a/package/source/xstor/owriteablestream.hxx 
b/package/source/xstor/owriteablestream.hxx
index bd429cb03c2f..9fa6c6ea0e59 100644
--- a/package/source/xstor/owriteablestream.hxx
+++ b/package/source/xstor/owriteablestream.hxx
@@ -351,7 +351,7 @@ public:
     virtual sal_Int64 SAL_CALL getSomething( const css::uno::Sequence< 
sal_Int8 >& aIdentifier ) override;
 
     // comphelper::ByteWriter
-    virtual sal_Int32 writeSomeBytes(const sal_Int8* aData, sal_Int32 
nBytesToWrite) override;
+    virtual void writeBytes(const sal_Int8* aData, sal_Int32 nBytesToWrite) 
override;
 
 };
 

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