/* -*- 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"

#include "datatype.h"

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

#if defined(HAVE_PRAGMA_WEAK)

#pragma weak MPI_Type_set_name = PMPI_Type_set_name

#elif defined(HAVE_PRAGMA_HP_SEC_DEF)

#pragma _HP_SECONDARY_DEF PMPI_Type_set_name  MPI_Type_set_name

#elif defined(HAVE_PRAGMA_CRI_DUP)

#pragma _CRI duplicate MPI_Type_set_name as PMPI_Type_set_name

#elif defined(HAVE_WEAK_ATTRIBUTE)

int MPI_Type_set_name(MPI_Datatype datatype, const char *type_name)

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

#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_set_name

#define MPI_Type_set_name PMPI_Type_set_name

#endif

#undef FUNCNAME

#define FUNCNAME MPI_Type_set_name

#undef FCNAME

#define FCNAME "MPI_Type_set_name"

/*@

   MPI_Type_set_name - set datatype name

Input Parameters:

+ datatype - datatype whose identifier is to be set (handle)

- type_name - the character string which is remembered as the name (string)

.N Fortran

.N Errors

.N MPI_SUCCESS

.N MPI_ERR_ARG

.N MPI_ERR_TYPE

.N MPI_ERR_OTHER

@*/

int MPI_Type_set_name(MPI_Datatype datatype, const char *type_name)

{

    int mpi_errno = MPI_SUCCESS;

    MPIR_Datatype *datatype_ptr = NULL;

    static int setup = 0;

    MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_TYPE_SET_NAME);

    MPIR_ERRTEST_INITIALIZED_ORDIE();

    MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_TYPE_SET_NAME);

    /* 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

    /* Convert MPI object handles to object pointers */

    MPIR_Datatype_get_ptr(datatype, datatype_ptr);

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

#ifdef HAVE_ERROR_CHECKING

    {

        MPID_BEGIN_ERROR_CHECKS;

        {

            int slen;

            /* Validate datatype_ptr */

            MPIR_Datatype_valid_ptr(datatype_ptr, mpi_errno);

            /* If datatype_ptr is not valid, it will be reset to null */

            MPIR_ERRTEST_ARGNULL(type_name, "type_name", mpi_errno);

            slen = (int) strlen(type_name);

            MPIR_ERR_CHKANDSTMT1((slen >= MPI_MAX_OBJECT_NAME), mpi_errno,

                                 MPI_ERR_ARG, goto fn_fail, "**typenamelen",

                                 "**typenamelen %d", slen);

        }

        MPID_END_ERROR_CHECKS;

    }

#endif /* HAVE_ERROR_CHECKING */

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

    /* If this is the first call, initialize all of the predefined names.

     * Note that type_get_name must also make the same call */

    if (!setup) {

        MPIR_Datatype_init_names();

        setup = 1;

    }

    /* Include the null in MPI_MAX_OBJECT_NAME */

    MPL_strncpy(datatype_ptr->name, type_name, MPI_MAX_OBJECT_NAME);

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

#ifdef HAVE_ERROR_CHECKING

  fn_exit:

#endif

    MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_TYPE_SET_NAME);

    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_set_name", "**mpi_type_set_name %D %s", datatype,

                                 type_name);

    }

    mpi_errno = MPIR_Err_return_comm(NULL, FCNAME, mpi_errno);

    goto fn_exit;

#endif

    /* --END ERROR HANDLING-- */

}