X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=zlib%2Fcompress.c;h=08f276718fa6c7b10f03945473c71679c8c70d24;hb=97ad7daba75127b0d09ce9d64753f8e29eebd091;hp=6777fd1b68bcbc9335bf069a5e765ad7819f81fb;hpb=8c16c8c7be08247db45d9fdc459058f148d1dcb9;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/zlib/compress.c b/zlib/compress.c
index 6777fd1b68b..08f276718fa 100644
--- a/zlib/compress.c
+++ b/zlib/compress.c
@@ -1,10 +1,11 @@
 /* compress.c -- compress a memory buffer
- * Copyright (C) 1995-2002 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: compress.c,v 1.1.1.2 2002/03/11 21:53:23 tromey Exp $ */
 
+#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;
+}