Merged branch 'dev_native' into lm_sla_supports_auto

Added igl library files

src/igl/stdin_to_temp.h

@@ -0,0 +1,36 @@
+// This file is part of libigl, a simple c++ geometry processing library.
+// 
+// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
+// 
+// This Source Code Form is subject to the terms of the Mozilla Public License 
+// v. 2.0. If a copy of the MPL was not distributed with this file, You can 
+// obtain one at http://mozilla.org/MPL/2.0/.
+#ifndef IGL_STDIN_TO_TEMP_H
+#define IGL_STDIN_TO_TEMP_H
+#include "igl_inline.h"
+#include <cstdio>
+namespace igl
+{
+  // Write stdin/piped input to a temporary file which can than be preprocessed as it
+  // is (a normal file). This is often useful if you want to process stdin/piped
+  // with library functions that expect to be able to fseek(), rewind() etc..
+  //
+  // If your application is not using fseek(), rewind(), etc. but just reading
+  // from stdin then this will likely cause a bottle neck as it defeats the whole
+  // purpose of piping.
+  //
+  // Outputs:
+  //   temp_file  pointer to temp file pointer, rewound to beginning of file so
+  //     its ready to be read
+  // Return true only if no errors were found
+  //
+  // Note: Caller is responsible for closing the file (tmpfile() automatically
+  // unlinks the file so there is no need to remove/delete/unlink the file)
+  IGL_INLINE bool stdin_to_temp(FILE ** temp_file);
+}
+
+#ifndef IGL_STATIC_LIBRARY
+#  include "stdin_to_temp.cpp"
+#endif
+
+#endif