1 files changed, 82 insertions, 0 deletions
diff --git a/erts/emulator/drivers/common/gzio_zutil.h b/erts/emulator/drivers/common/gzio_zutil.h
new file mode 100644
index 0000000000..00eccc80fc
--- /dev/null
+++ b/erts/emulator/drivers/common/gzio_zutil.h
@@ -0,0 +1,82 @@
+/*
+ * %CopyrightBegin%
+ * 
+ * Copyright Ericsson AB 2009. All Rights Reserved.
+ * 
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ * 
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ * 
+ * %CopyrightEnd%
+ */
+
+/* A replacement for zlib internal header file zutil.h.
+ * Just the minimal things that our gzio.c seems to need.
+ * We don't want to be dependant on some internal header file
+ * that may change or not exist at all.
+ */
+
+#ifndef HAVE_LIBZ
+/* Use our "real" copy of zutil.h if we don't use shared zlib */
+#include "zutil.h"
+
+#else /* HAVE_LIBZ: Shared zlib is used */
+
+#define local static
+#define DEF_MEM_LEVEL 8
+#define zmemcpy sys_memcpy
+
+#if defined(MSDOS) || (defined(WINDOWS) && !defined(WIN32))
+#  define OS_CODE  0x00
+#endif
+
+#ifdef AMIGA
+#  define OS_CODE  0x01
+#endif
+
+#if defined(VAXC) || defined(VMS)
+#  define OS_CODE  0x02
+#  define F_OPEN(name, mode) \
+     fopen((name), (mode), "mbc=60", "ctx=stm", "rfm=fix", "mrs=512")
+#endif
+
+#if defined(ATARI) || defined(atarist)
+#  define OS_CODE  0x05
+#endif
+
+#ifdef OS2
+#  define OS_CODE  0x06
+#endif
+
+#if defined(MACOS) || defined(TARGET_OS_MAC)
+#  define OS_CODE  0x07
+#endif
+
+#ifdef TOPS20
+#  define OS_CODE  0x0a
+#endif
+
+#ifdef WIN32
+#  ifndef __CYGWIN__  /* Cygwin is Unix, not Win32 */
+#    define OS_CODE  0x0b
+#  endif
+#endif
+
+#ifdef __50SERIES /* Prime/PRIMOS */
+#  define OS_CODE  0x0f
+#endif
+
+#ifndef OS_CODE
+#  define OS_CODE  0x03  /* assume Unix */
+#endif
+
+
+#endif /* HAVE_LIBZ */
+