Committed forgotten files

[wxWidgets.git] / src / zlib / compress.c

diff --git a/src/zlib/compress.c b/src/zlib/compress.c
index 1cee470913d75a3fa74c998c5638920fc382ec07..df04f0148e6d6a22ce0f5bc4e3eeeb7bb54ca605 100644 (file)
--- a/src/zlib/compress.c
+++ b/src/zlib/compress.c
@@ -1,10 +1,11 @@
 /* compress.c -- compress a memory buffer
- * Copyright (C) 1995-1998 Jean-loup Gailly.
- * For conditions of distribution and use, see copyright notice in zlib.h 
+ * Copyright (C) 1995-2003 Jean-loup Gailly.
+ * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
 /* @(#) $Id$ */
 
+#define ZLIB_INTERNAL
 #include "zlib.h"
 
 /* ===========================================================================
@@ -66,3 +67,13 @@ int ZEXPORT compress (dest, destLen, source, sourceLen)
 {
     return compress2(dest, destLen, source, sourceLen, Z_DEFAULT_COMPRESSION);
 }
+
+/* ===========================================================================
+     If the default memLevel or windowBits for deflateInit() is changed, then
+   this function needs to be updated.
+ */
+uLong ZEXPORT compressBound (sourceLen)
+    uLong sourceLen;
+{
+    return sourceLen + (sourceLen >> 12) + (sourceLen >> 14) + 11;
+}