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cs440-acg/ext/openexr/IlmBase/Iex/IexThrowErrnoExc.h

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+///////////////////////////////////////////////////////////////////////////
+//
+// Copyright (c) 2002-2012, Industrial Light & Magic, a division of Lucas
+// Digital Ltd. LLC
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+// *       Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// *       Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// *       Neither the name of Industrial Light & Magic nor the names of
+// its contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission. 
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+///////////////////////////////////////////////////////////////////////////
+
+
+
+#ifndef INCLUDED_IEXTHROWERRNOEXC_H
+#define INCLUDED_IEXTHROWERRNOEXC_H
+
+//----------------------------------------------------------
+//
+//	A function which throws ExcErrno exceptions
+//
+//----------------------------------------------------------
+
+#include "IexBaseExc.h"
+#include "IexExport.h"
+
+IEX_INTERNAL_NAMESPACE_HEADER_ENTER
+
+
+//--------------------------------------------------------------------------
+//
+// Function throwErrnoExc() throws an exception which corresponds to
+// error code errnum.  The exception text is initialized with a copy
+// of the string passed to throwErrnoExc(), where all occurrences of
+// "%T" have been replaced with the output of strerror(oserror()).
+//
+// Example:
+//   
+// If opening file /tmp/output failed with an ENOENT error code,
+// calling
+//
+//	throwErrnoExc ();
+//
+// or
+//
+//	throwErrnoExc ("%T.");
+//
+// will throw an EnoentExc whose text reads
+//
+//	No such file or directory.
+//
+// More detailed messages can be assembled using stringstreams:
+//
+//	std::stringstream s;
+//	s << "Cannot open file " << name << " (%T).";
+//	throwErrnoExc (s);
+//
+// The resulting exception contains the following text:
+//
+//	Cannot open file /tmp/output (No such file or directory).
+//
+// Alternatively, you may want to use the THROW_ERRNO macro defined
+// in IexMacros.h:
+//
+//	THROW_ERRNO ("Cannot open file " << name << " (%T).")
+//
+//--------------------------------------------------------------------------
+
+IEX_EXPORT void throwErrnoExc(const std::string &txt, int errnum);
+IEX_EXPORT void throwErrnoExc(const std::string &txt);
+IEX_EXPORT void throwErrnoExc();
+
+IEX_INTERNAL_NAMESPACE_HEADER_EXIT
+
+#endif // INCLUDED_IEXTHROWERRNOEXC_H