resyncing to master

1 files changed, 30 insertions, 0 deletions

diff --git a/sal/rtl/source/strbuf.c b/sal/rtl/source/strbuf.c
index 446b1cee2..c0e9694dc 100644
--- a/sal/rtl/source/strbuf.c
+++ b/sal/rtl/source/strbuf.c
@@ -144,6 +144,36 @@ void SAL_CALL rtl_stringbuffer_insert( rtl_String ** This,
         (*This)->length = nOldLen + len;
         pBuf[ nOldLen + len ] = 0;
     }
+}
+
+/*************************************************************************
+ *	rtl_stringbuffer_remove
+ */
+void SAL_CALL rtl_stringbuffer_remove( rtl_String ** This,
+                                       sal_Int32 start,
+                                       sal_Int32 len )
+{
+    sal_Int32 nTailLen;
+    sal_Char * pBuf;
+
+    if (len > (*This)->length - start)
+        len = (*This)->length - start;
+
+    //remove nothing
+    if (!len)
+        return;
+
+    pBuf = (*This)->buffer;
+    nTailLen = (*This)->length - ( start + len );
+
+    if (nTailLen)
+    {
+        /* move the tail */
+        rtl_moveMemory(pBuf + start, pBuf + start + len, nTailLen * sizeof(sal_Char));
+    }
+
+    (*This)->length-=len;
+    pBuf[ (*This)->length ] = 0;
 }	
 
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