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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2007 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2006-2012 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2018-2022 Triad National Security, LLC. All rights
* reserved.
* Copyright (c) 2023 Jeffrey M. Squyres. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/mpi/c/bindings.h"
#include "ompi/runtime/params.h"
#include "ompi/errhandler/errhandler.h"
#include "ompi/mpi/fortran/base/fint_2_int.h"
#include "ompi/info/info.h"
#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_Info_f2c = PMPI_Info_f2c
#endif
#define MPI_Info_f2c PMPI_Info_f2c
#endif
static const char FUNC_NAME[] __opal_attribute_unused__ = "MPI_Info_f2c";
/**
* Converts the MPI_Fint info into a valid C MPI_Info handle
*
* @param info Integer handle to an MPI_INFO object
* @retval C handle corresponding to MPI_INFO object
*/
MPI_Info MPI_Info_f2c(MPI_Fint info)
{
int info_index = OMPI_FINT_2_INT(info);
/* Per MPI-2:4.12.4, do not invoke an error handler if we get an
invalid fortran handle. If we get an invalid fortran handle,
return an invalid C handle. */
/*
* Deal with special pre-defined cases for MPI 4.0
*/
if (info_index == 0) {
return MPI_INFO_NULL;
}
if (info_index == 1) {
return MPI_INFO_ENV;
}
/*
* if the application has not created an info object yet
* then the size of the ompi_info_f_to_c_table is zero
* so this check can be done even if an info object has not
* previously been created.
*/
if (info_index < 0 ||
info_index >=
opal_pointer_array_get_size(&ompi_info_f_to_c_table)) {
return NULL;
}
/*
* if we get here, then the info support infrastructure has been initialized
* either via a prior call to MPI_Info_create or one of the MPI initialization
* methods.
*/
return (MPI_Info)opal_pointer_array_get_item(&ompi_info_f_to_c_table, info_index);
}
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