1 files changed, 23 insertions, 0 deletions

diff --git a/src/flexbuf.cpp b/src/flexbuf.cpp
index acd55a7..6d55294 100644
--- a/src/flexbuf.cpp
+++ b/src/flexbuf.cpp
@@ -204,3 +204,26 @@ int FlexBuf::findChar( char cTarget )
         return -1;
 }
 
+void FlexBuf::ensureCapacity( int nAmount )
+{
+        if( nLastChar + nAmount + 1 > nSize )
+        {
+                if( nFill + nAmount + 1 < nSize )
+                {
+                        memcpy( lpBuf, lpBuf+nFirstChar, nFill );
+                        nLastChar -= nFirstChar;
+                        nFirstChar = 0;
+                }
+                else
+                {
+                        nSize += nAmount+1;
+                        char *lpNewBuf = new char[nSize];
+                        memcpy( lpNewBuf, lpBuf+nFirstChar, nFill );
+                        delete[] lpBuf;
+                        lpBuf = lpNewBuf;
+                        nLastChar -= nFirstChar;
+                        nFirstChar = 0;
+                }
+        }
+}
+