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/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2009 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) 2014-2015 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include "ompi/mpi/c/bindings.h"
#include "ompi/runtime/params.h"
#include "ompi/communicator/communicator.h"
#include "ompi/errhandler/errhandler.h"
#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_Get_library_version = PMPI_Get_library_version
#endif
#define MPI_Get_library_version PMPI_Get_library_version
#endif
static const char FUNC_NAME[] = "MPI_Get_library_version";
int MPI_Get_library_version(char *version, int *resultlen)
{
int len_left;
MPI_Comm null = MPI_COMM_NULL;
char *ptr, tmp[MPI_MAX_LIBRARY_VERSION_STRING];
if (MPI_PARAM_CHECK) {
/* Per MPI-3, this function can be invoked before
MPI_INIT, so we don't invoke the normal
MPI_ERR_INIT_FINALIZE() macro here */
if (NULL == version || NULL == resultlen) {
/* Note that we have to check and see if we have
previously called MPI_INIT or not. If so, use the
normal OMPI_ERRHANDLER_INVOKE, because the user may
have changed the default errhandler on MPI_COMM_WORLD.
If we have not invoked MPI_INIT, then just abort
(i.e., use a NULL communicator, which will end up at the
default errhandler, which is abort). */
if (ompi_mpi_initialized && !ompi_mpi_finalized) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
FUNC_NAME);
} else {
return OMPI_ERRHANDLER_INVOKE(null, MPI_ERR_ARG,
FUNC_NAME);
}
}
}
/* First write to a tmp variable so that we can write to *all* the
chars (MPI-3 says that we can only write resultlen chars to the
output string) */
ptr = tmp;
len_left = sizeof(tmp);
memset(tmp, 0, MPI_MAX_LIBRARY_VERSION_STRING);
snprintf(tmp, MPI_MAX_LIBRARY_VERSION_STRING, "Open MPI v%d.%d.%d",
OMPI_MAJOR_VERSION, OMPI_MINOR_VERSION, OMPI_RELEASE_VERSION);
ptr += strlen(tmp);
len_left -= strlen(tmp);
if (NULL != OMPI_GREEK_VERSION && strlen(OMPI_GREEK_VERSION) > 0) {
snprintf(ptr, len_left, "%s", OMPI_GREEK_VERSION);
ptr = tmp + strlen(tmp);
len_left = MPI_MAX_LIBRARY_VERSION_STRING - strlen(tmp);
}
/* Package name */
if (NULL != OPAL_PACKAGE_STRING && strlen(OPAL_PACKAGE_STRING) > 0) {
snprintf(ptr, len_left, ", package: %s", OPAL_PACKAGE_STRING);
ptr = tmp + strlen(tmp);
len_left = MPI_MAX_LIBRARY_VERSION_STRING - strlen(tmp);
}
/* Ident string */
if (NULL != OMPI_IDENT_STRING && strlen(OMPI_IDENT_STRING) > 0) {
snprintf(ptr, len_left, ", ident: %s", OMPI_IDENT_STRING);
ptr = tmp + strlen(tmp);
len_left = MPI_MAX_LIBRARY_VERSION_STRING - strlen(tmp);
}
/* Repository revision */
if (NULL != OMPI_REPO_REV && strlen(OMPI_REPO_REV) > 0) {
snprintf(ptr, len_left, ", repo rev: %s", OMPI_REPO_REV);
ptr = tmp + strlen(tmp);
len_left = MPI_MAX_LIBRARY_VERSION_STRING - strlen(tmp);
}
/* Release date */
if (NULL != OMPI_RELEASE_DATE && strlen(OMPI_RELEASE_DATE) > 0) {
snprintf(ptr, len_left, ", %s", OMPI_RELEASE_DATE);
ptr = tmp + strlen(tmp);
len_left = MPI_MAX_LIBRARY_VERSION_STRING - strlen(tmp);
}
memcpy(version, tmp, strlen(tmp) + 1);
*resultlen = strlen(tmp) + 1;
return MPI_SUCCESS;
}
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