Fluid: Updated manta pp files

Updates in the files include:
- New manta files now use an platform independent gzopen function
- Adjusted argument name for vorticity

1 files changed, 45 insertions, 0 deletions

diff --git a/extern/mantaflow/preprocessed/fileio/ioutil.cpp b/extern/mantaflow/preprocessed/fileio/ioutil.cpp
new file mode 100644
index 00000000000..7c1682dfc5e
--- /dev/null
+++ b/extern/mantaflow/preprocessed/fileio/ioutil.cpp
@@ -0,0 +1,45 @@
+
+
+// DO NOT EDIT !
+// This file is generated using the MantaFlow preprocessor (prep generate).
+
+/******************************************************************************
+ *
+ * MantaFlow fluid solver framework
+ * Copyright 2011-2020 Tobias Pfaff, Nils Thuerey
+ *
+ * This program is free software, distributed under the terms of the
+ * Apache License, Version 2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Helper functions to handle file IO
+ *
+ ******************************************************************************/
+
+#include "mantaio.h"
+
+#if NO_ZLIB != 1
+extern "C" {
+#  include <zlib.h>
+}
+
+namespace Manta {
+
+//! helper to handle non ascii filenames correctly, mainly problematic on windows
+void *safeGzopen(const char *filename, const char *mode)
+{
+  gzFile gzfile;
+#  if defined(WIN32) || defined(_WIN32)
+  UTF16_ENCODE(filename);
+
+  // gzopen_w() is supported since zlib v1.2.7
+  gzfile = gzopen_w(filename_16, mode);
+  UTF16_UN_ENCODE(filename);
+#  else
+  gzfile = gzopen(filename, mode);
+#  endif
+  return gzfile;
+}
+#endif
+
+}  // namespace