51d833e8d1
of strings. We mostly did the Right Things already; I simplified the code a bit and also had us not write to more characters in the C bindings than we're supposed to (per language in the MPI-2.1 spec). Fixes trac:1238. This commit was SVN r18705. The following Trac tickets were found above: Ticket 1238 --> https://svn.open-mpi.org/trac/ompi/ticket/1238
71 строка
2.3 KiB
C
71 строка
2.3 KiB
C
/*
|
|
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
|
|
* University Research and Technology
|
|
* Corporation. All rights reserved.
|
|
* Copyright (c) 2004-2005 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) 2006-2008 Cisco Systems, Inc. All rights reserved.
|
|
* $COPYRIGHT$
|
|
*
|
|
* Additional copyrights may follow
|
|
*
|
|
* $HEADER$
|
|
*/
|
|
#include "ompi_config.h"
|
|
#include <stdio.h>
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
#include <string.h>
|
|
|
|
#include "ompi/mpi/c/bindings.h"
|
|
|
|
#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
|
|
#pragma weak MPI_Get_processor_name = PMPI_Get_processor_name
|
|
#endif
|
|
|
|
#if OMPI_PROFILING_DEFINES
|
|
#include "ompi/mpi/c/profile/defines.h"
|
|
#endif
|
|
|
|
static const char FUNC_NAME[] = "MPI_Get_processor_name";
|
|
|
|
|
|
int MPI_Get_processor_name(char *name, int *resultlen)
|
|
{
|
|
OPAL_CR_NOOP_PROGRESS();
|
|
|
|
if ( MPI_PARAM_CHECK) {
|
|
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
|
|
if ( NULL == name ) {
|
|
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
|
|
FUNC_NAME);
|
|
}
|
|
if ( NULL == resultlen ) {
|
|
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
|
|
FUNC_NAME);
|
|
}
|
|
}
|
|
|
|
/* A simple implementation of this function using gethostname.
|
|
|
|
Note that MPI-2.1 requires:
|
|
- terminating the string with a \0
|
|
- name[*resultlen] == '\0'
|
|
- and therefore (*resultlen) cannot be > (MPI_MAX_PROCESSOR_NAME-1)
|
|
|
|
Guard against gethostname() returning a *really long* hostname
|
|
and not null-terminating the string. The Fortran API version
|
|
will pad to the right if necessary. */
|
|
gethostname(name, MPI_MAX_PROCESSOR_NAME - 1);
|
|
name[MPI_MAX_PROCESSOR_NAME - 1] = '\0';
|
|
*resultlen = (int) strlen(name);
|
|
|
|
return MPI_SUCCESS;
|
|
}
|