handle failure to expand ~ in path elements.

This can occur in some online corner-cases.

Change-Id: Id8b419179d775a21110d682ba76d8a02f45eb828

1 files changed, 5 insertions, 2 deletions

diff --git a/sal/osl/unx/file_url.cxx b/sal/osl/unx/file_url.cxx
index 742b3f5a6a29..af9abbe0d79b 100644
--- a/sal/osl/unx/file_url.cxx
+++ b/sal/osl/unx/file_url.cxx
@@ -255,20 +255,23 @@ oslFileError SAL_CALL osl_getFileURLFromSystemPath( rtl_uString *ustrSystemPath,
     if( '~' == ustrSystemPath->buffer[0] )
     {
         /* check if another user is specified */
-        if( ( 1 == ustrSystemPath->length ) || ( '/' == ustrSystemPath->buffer[1] ) )
+        if( ( 1 == ustrSystemPath->length ) ||
+            ( '/' == ustrSystemPath->buffer[1] ) )
         {
             /* osl_getHomeDir returns file URL */
             oslSecurity pSecurity = osl_getCurrentSecurity();
             osl_getHomeDir( pSecurity , &pTmp );
             osl_freeSecurityHandle( pSecurity );
 
+            if (!pTmp)
+                return osl_File_E_INVAL;
+
             /* remove "file://" prefix */
             rtl_uString_newFromStr_WithLength( &pTmp, pTmp->buffer + 7, pTmp->length - 7 );
 
             /* replace '~' in original string */
             rtl_uString_newReplaceStrAt( &pTmp, ustrSystemPath, 0, 1, pTmp );
         }
-
         else
         {
             /* FIXME: replace ~user with users home directory */