/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */

/*

 *

 *  (C) 2001 by Argonne National Laboratory.

 *      See COPYRIGHT in top-level directory.

 */

#include "mpiimpl.h"

/* -- Begin Profiling Symbol Block for routine MPI_Type_extent */

#if defined(HAVE_PRAGMA_WEAK)

#pragma weak MPI_Type_extent = PMPI_Type_extent

#elif defined(HAVE_PRAGMA_HP_SEC_DEF)

#pragma _HP_SECONDARY_DEF PMPI_Type_extent  MPI_Type_extent

#elif defined(HAVE_PRAGMA_CRI_DUP)

#pragma _CRI duplicate MPI_Type_extent as PMPI_Type_extent

#elif defined(HAVE_WEAK_ATTRIBUTE)

int MPI_Type_extent(MPI_Datatype datatype, MPI_Aint * extent)

    __attribute__ ((weak, alias("PMPI_Type_extent")));

#endif

/* -- End Profiling Symbol Block */

/* Define MPICH_MPI_FROM_PMPI if weak symbols are not supported to build

   the MPI routines */

#ifndef MPICH_MPI_FROM_PMPI

#undef MPI_Type_extent

#define MPI_Type_extent PMPI_Type_extent

#endif

#undef FUNCNAME

#define FUNCNAME MPI_Type_extent

#undef FCNAME

#define FCNAME MPL_QUOTE(FUNCNAME)

/*@

    MPI_Type_extent - Returns the extent of a datatype

Input Parameters:

. datatype - datatype (handle)

Output Parameters:

. extent - datatype extent (address integer)

.N SignalSafe

.N Deprecated

The replacement for this routine is 'MPI_Type_get_extent'.

.N Fortran

.N Errors

.N MPI_SUCCESS

.N MPI_ERR_TYPE

@*/

int MPI_Type_extent(MPI_Datatype datatype, MPI_Aint * extent)

{

    int mpi_errno = MPI_SUCCESS;

    MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_TYPE_EXTENT);

    MPIR_ERRTEST_INITIALIZED_ORDIE();

    MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_TYPE_EXTENT);

    /* Validate parameters, especially handles needing to be converted */

#ifdef HAVE_ERROR_CHECKING

    {

        MPID_BEGIN_ERROR_CHECKS;

        {

            MPIR_ERRTEST_DATATYPE(datatype, "datatype", mpi_errno);

        }

        MPID_END_ERROR_CHECKS;

    }

#endif

    /* Validate parameters and objects (post conversion) */

#ifdef HAVE_ERROR_CHECKING

    {

        MPID_BEGIN_ERROR_CHECKS;

        {

            MPIR_Datatype *datatype_ptr = NULL;

            /* Convert MPI object handles to object pointers */

            MPIR_Datatype_get_ptr(datatype, datatype_ptr);

            /* Validate datatype_ptr */

            MPIR_Datatype_valid_ptr(datatype_ptr, mpi_errno);

            if (mpi_errno)

                goto fn_fail;

            MPIR_ERRTEST_ARGNULL(extent, "extent", mpi_errno);

        }

        MPID_END_ERROR_CHECKS;

    }

#endif /* HAVE_ERROR_CHECKING */

    /* ... body of routine ...  */

    MPIR_Datatype_get_extent_macro(datatype, *extent);

    /* ... end of body of routine ... */

#ifdef HAVE_ERROR_CHECKING

  fn_exit:

#endif

    MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_TYPE_EXTENT);

    return mpi_errno;

    /* --BEGIN ERROR HANDLING-- */

#ifdef HAVE_ERROR_CHECKING

  fn_fail:

    {

        mpi_errno =

            MPIR_Err_create_code(mpi_errno, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__, MPI_ERR_OTHER,

                                 "**mpi_type_extent", "**mpi_type_extent %D %p", datatype, extent);

    }

    mpi_errno = MPIR_Err_return_comm(NULL, FCNAME, mpi_errno);

    goto fn_exit;

#endif

    /* --END ERROR HANDLING-- */

}