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openmpi/ompi/mpi/c/info_get_valuelen.c
George Bosilca 71b1cdb5f5 Cleanup the dependencies between the MPI layer and the rest of the ompi files.
Modify the includes to start with the root directory (i.e orte/datatype/datatype.h).

This commit was SVN r7306.
2005-09-12 09:17:44 +00:00

85 строки
2.7 KiB
C

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University.
* All rights reserved.
* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
* 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.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "mpi/c/bindings.h"
#include "ompi/info/info.h"
#include <stdlib.h>
#include <string.h>
#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_Info_get_valuelen = PMPI_Info_get_valuelen
#endif
#if OMPI_PROFILING_DEFINES
#include "mpi/c/profile/defines.h"
#endif
static const char FUNC_NAME[] = "MPI_Info_get_valuelen";
/**
* MPI_Info_get_valuelen - Get the length of a value for a given key in an 'M
*
* @param info - info object (handle)
* @param key - null-terminated character string of the index key
* @param valuelen - length of the value associated with 'key' (integer)
* @param flag - true (1) if 'key' defined on 'info', false (0) if not
* (logical)
*
* @retval MPI_SUCCESS
* @retval MPI_ERR_ARG
* @retval MPI_ERR_INFO
* @retval MPI_ERR_INFO_KEY
*
* The length returned in C and C++ does not include the end-of-string
* character. If the 'key' is not found on 'info', 'valuelen' is left
* alone.
*/
int MPI_Info_get_valuelen(MPI_Info info, char *key, int *valuelen,
int *flag)
{
int key_length;
int err;
/*
* Simple function. All we need to do is search for the value
* having the "key" associated with it and return the length
*/
if (MPI_PARAM_CHECK) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (NULL == info || MPI_INFO_NULL == info ||
ompi_info_is_freed(info)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO,
FUNC_NAME);
}
key_length = (key) ? strlen (key) : 0;
if ((NULL == key) || (0 == key_length) ||
(MPI_MAX_INFO_KEY <= key_length)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_INFO_KEY,
FUNC_NAME);
}
if (NULL == flag || NULL == valuelen) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_ARG,
FUNC_NAME);
}
}
err = ompi_info_get_valuelen (info, key, valuelen, flag);
OMPI_ERRHANDLER_RETURN(err, MPI_COMM_WORLD, err, FUNC_NAME);
}