/* -*- 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 "mpir_info.h"
/* -- Begin Profiling Symbol Block for routine MPI_Info_get */
#if defined(HAVE_PRAGMA_WEAK)
#pragma weak MPI_Info_get = PMPI_Info_get
#elif defined(HAVE_PRAGMA_HP_SEC_DEF)
#pragma _HP_SECONDARY_DEF PMPI_Info_get MPI_Info_get
#elif defined(HAVE_PRAGMA_CRI_DUP)
#pragma _CRI duplicate MPI_Info_get as PMPI_Info_get
#elif defined(HAVE_WEAK_ATTRIBUTE)
int MPI_Info_get(MPI_Info info, const char *key, int valuelen, char *value, int *flag)
__attribute__ ((weak, alias("PMPI_Info_get")));
#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_Info_get
#define MPI_Info_get PMPI_Info_get
#undef FUNCNAME
#define FUNCNAME MPIR_Info_get_impl
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
int MPIR_Info_get_impl(MPIR_Info * info_ptr, const char *key, int valuelen, char *value, int *flag)
{
MPIR_Info *curr_ptr;
int err = 0, mpi_errno = 0;
curr_ptr = info_ptr->next;
*flag = 0;
while (curr_ptr) {
if (!strncmp(curr_ptr->key, key, MPI_MAX_INFO_KEY)) {
err = MPL_strncpy(value, curr_ptr->value, valuelen + 1);
/* +1 because the MPI Standard says "In C, valuelen
* (passed to MPI_Info_get) should be one less than the
* amount of allocated space to allow for the null
* terminator*/
*flag = 1;
break;
}
curr_ptr = curr_ptr->next;
}
/* --BEGIN ERROR HANDLING-- */
if (err != 0) {
mpi_errno =
MPIR_Err_create_code(MPI_SUCCESS, MPIR_ERR_RECOVERABLE, FCNAME, __LINE__,
MPI_ERR_INFO_VALUE, "**infovallong", NULL);
}
/* --END ERROR HANDLING-- */
return mpi_errno;
}
#endif
/*@
MPI_Info_get - Retrieves the value associated with a key
Input Parameters:
+ info - info object (handle)
. key - key (string)
- valuelen - length of value argument, not including null terminator (integer)
Output Parameters:
+ value - value (string)
- flag - true if key defined, false if not (boolean)
.N ThreadSafeInfoRead
.N Fortran
.N Errors
.N MPI_SUCCESS
.N MPI_ERR_OTHER
.N MPI_ERR_INFO_KEY
.N MPI_ERR_ARG
.N MPI_ERR_INFO_VALUE
@*/
#undef FUNCNAME
#define FUNCNAME MPI_Info_get
#undef FCNAME
#define FCNAME MPL_QUOTE(FUNCNAME)
int MPI_Info_get(MPI_Info info, const char *key, int valuelen, char *value, int *flag)
{
MPIR_Info *info_ptr = 0;
int mpi_errno = MPI_SUCCESS;
MPIR_FUNC_TERSE_STATE_DECL(MPID_STATE_MPI_INFO_GET);
MPIR_ERRTEST_INITIALIZED_ORDIE();
MPID_THREAD_CS_ENTER(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
MPIR_FUNC_TERSE_ENTER(MPID_STATE_MPI_INFO_GET);
/* Validate parameters, especially handles needing to be converted */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
MPIR_ERRTEST_INFO(info, mpi_errno);
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* Convert MPI object handles to object pointers */
MPIR_Info_get_ptr(info, info_ptr);
/* Validate parameters and objects (post conversion) */
#ifdef HAVE_ERROR_CHECKING
{
MPID_BEGIN_ERROR_CHECKS;
{
int keylen;
/* Validate info_ptr */
MPIR_Info_valid_ptr(info_ptr, mpi_errno);
if (mpi_errno)
goto fn_fail;
/* Check key */
MPIR_ERR_CHKANDJUMP((!key), mpi_errno, MPI_ERR_INFO_KEY, "**infokeynull");
keylen = (int) strlen(key);
MPIR_ERR_CHKANDJUMP((keylen > MPI_MAX_INFO_KEY), mpi_errno,
MPI_ERR_INFO_KEY, "**infokeylong");
MPIR_ERR_CHKANDJUMP((keylen == 0), mpi_errno, MPI_ERR_INFO_KEY, "**infokeyempty");
/* Check value arguments */
MPIR_ERRTEST_ARGNEG(valuelen, "valuelen", mpi_errno);
MPIR_ERR_CHKANDSTMT((!value), mpi_errno, MPI_ERR_INFO_VALUE, goto fn_fail,
"**infovalnull");
}
MPID_END_ERROR_CHECKS;
}
#endif /* HAVE_ERROR_CHECKING */
/* ... body of routine ... */
mpi_errno = MPIR_Info_get_impl(info_ptr, key, valuelen, value, flag);
/* ... end of body of routine ... */
if (mpi_errno)
goto fn_fail;
fn_exit:
MPIR_FUNC_TERSE_EXIT(MPID_STATE_MPI_INFO_GET);
MPID_THREAD_CS_EXIT(GLOBAL, MPIR_THREAD_GLOBAL_ALLFUNC_MUTEX);
return mpi_errno;
/* --BEGIN ERROR HANDLING-- */
fn_fail:
#ifdef HAVE_ERROR_CHECKING
{
mpi_errno = MPIR_Err_create_code(mpi_errno, MPIR_ERR_RECOVERABLE,
FCNAME, __LINE__, MPI_ERR_OTHER,
"**mpi_info_get",
"**mpi_info_get %I %s %d %p %p", info, key, valuelen,
value, flag);
}
mpi_errno = MPIR_Err_return_comm(NULL, FCNAME, mpi_errno);
#endif
goto fn_exit;
/* --END ERROR HANDLING-- */
}