/////////////////////////////////////////////////////////////////////////// // // Copyright (c) 2002, 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" namespace Iex { //-------------------------------------------------------------------------- // // 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).") // //-------------------------------------------------------------------------- void throwErrnoExc (const std::string &txt, int errnum); void throwErrnoExc (const std::string &txt = "%T." /*, int errnum = oserror() */); } // namespace Iex #endif