Patch 15812 (Cyrez);

git-svn-id: https://pcsxr.svn.codeplex.com/svn/pcsxr@89133 e17a0e51-4ae3-4d35-97c3-1a29b211df97

1 files changed, 18 insertions, 14 deletions

diff --git a/win32/zlib/compress.c b/win32/zlib/compress.c
index 814bd9d6..302cae54 100755
--- a/win32/zlib/compress.c
+++ b/win32/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) 1995-2005 Jean-loup Gailly.
+ * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
 /* @(#) $Id$ */
 
+#define ZLIB_INTERNAL
 #include "zlib.h"
 
 /* ===========================================================================
@@ -18,17 +19,13 @@
    memory, Z_BUF_ERROR if there was not enough room in the output buffer,
    Z_STREAM_ERROR if the level parameter is invalid.
 */
-int ZEXPORT compress2 (dest, destLen, source, sourceLen, level)
-    Bytef *dest;
-    uLongf *destLen;
-    const Bytef *source;
-    uLong sourceLen;
-    int level;
+int ZEXPORT compress2 (Bytef *dest, uLongf *destLen, const Bytef *source,
+                       uLong sourceLen, int level)
 {
     z_stream stream;
     int err;
 
-    stream.next_in = (Bytef*)source;
+    stream.next_in = (z_const Bytef *)source;
     stream.avail_in = (uInt)sourceLen;
 #ifdef MAXSEG_64K
     /* Check for source > 64K on 16-bit machine: */
@@ -58,11 +55,18 @@ int ZEXPORT compress2 (dest, destLen, source, sourceLen, level)
 
 /* ===========================================================================
  */
-int ZEXPORT compress (dest, destLen, source, sourceLen)
-    Bytef *dest;
-    uLongf *destLen;
-    const Bytef *source;
-    uLong sourceLen;
+int ZEXPORT compress (Bytef *dest, uLongf *destLen, const Bytef *source,
+                      uLong 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 (uLong sourceLen)
+{
+    return sourceLen + (sourceLen >> 12) + (sourceLen >> 14) +
+           (sourceLen >> 25) + 13;
+}