[3d993d]: exodus / cbind / src / ex_get_init_ext.c  Maximize  Restore  History

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/*
* Copyright (c) 2005 Sandia Corporation. Under the terms of Contract
* DE-AC04-94AL85000 with Sandia Corporation, the U.S. Governement
* retains certain rights in this software.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* * Neither the name of Sandia Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/*****************************************************************************
*
* exgini - ex_get_init
*
* entry conditions -
* input parameters:
* int exoid exodus file id
*
* exit conditions -
* ex_init_params* info parameter information
*
* revision history -
*
*
*****************************************************************************/
#include "exodusII.h"
#include "exodusII_int.h"
#include <stdlib.h>
#include <string.h>
/* Used to reduce repeated code below */
static int64_t ex_get_dim_value(int exoid, const char *name, const char *dimension_name,
int dimension, int64_t *value)
{
char errmsg[MAX_ERR_LENGTH];
int status;
if ((status = nc_inq_dimid (exoid, dimension_name, &dimension)) != NC_NOERR) {
/* optional and default to zero. */
*value = 0;
} else {
size_t tmp;
if ((status = nc_inq_dimlen(exoid, dimension, &tmp)) != NC_NOERR) {
exerrval = status;
sprintf(errmsg, "Error: failed to get number of %s in file id %d",
name, exoid);
ex_err("ex_get_init",errmsg,exerrval);
return (EX_FATAL);
}
*value = tmp;
}
return EX_NOERR;
}
/*!
* reads the initialization parameters from an opened EXODUS II file
* \param exoid exodus file id
* \param[out] info #ex_init_params structure containing metadata for mesh.
* \sa ex_get_init()
*/
int ex_get_init_ext (int exoid,
ex_init_params *info)
{
int dimid;
char errmsg[MAX_ERR_LENGTH];
int status;
size_t title_len;
nc_type title_type;
exerrval = 0; /* clear error code */
if ((status = nc_inq_att(exoid, NC_GLOBAL, ATT_TITLE, &title_type, &title_len)) != NC_NOERR) {
exerrval = status;
sprintf(errmsg,
"Error: failed to inquire title in file id %d", exoid);
ex_err("ex_get_init_ext",errmsg,exerrval);
return (EX_FATAL);
}
/* Check title length to avoid overrunning clients memory space; include trailing null */
if (title_len > MAX_LINE_LENGTH) {
char *title = malloc(title_len+1);
if ((status = nc_get_att_text(exoid, NC_GLOBAL, ATT_TITLE, title)) == NC_NOERR) {
strncpy(info->title, title, MAX_LINE_LENGTH+1);
info->title[MAX_LINE_LENGTH] = '\0';
}
free(title);
} else {
status = nc_get_att_text(exoid, NC_GLOBAL, ATT_TITLE, info->title);
info->title[title_len] = '\0';
}
if (status != NC_NOERR) {
exerrval = status;
sprintf(errmsg,
"Error: failed to get title in file id %d", exoid);
ex_err("ex_get_init_ext",errmsg,exerrval);
return (EX_FATAL);
}
{
size_t tmp;
status = ex_get_dimension(exoid, DIM_NUM_DIM, "dimensions", &tmp, &dimid, "ex_get_init_ext");
if (status != NC_NOERR) return status;
info->num_dim = tmp;
}
/* Handle case with zero-nodes */
if (ex_get_dim_value(exoid, "nodes",DIM_NUM_NODES,dimid,&info->num_nodes) != EX_NOERR) return EX_FATAL;
if (ex_get_dim_value(exoid, "edges", DIM_NUM_EDGE,dimid,&info->num_edge) != EX_NOERR) return EX_FATAL;
if (ex_get_dim_value(exoid, "faces", DIM_NUM_FACE,dimid,&info->num_face) != EX_NOERR) return EX_FATAL;
if (ex_get_dim_value(exoid,"elements", DIM_NUM_ELEM,dimid,&info->num_elem) != EX_NOERR) return EX_FATAL;
if (ex_get_dim_value(exoid,"element blocks", DIM_NUM_EL_BLK,dimid,&info->num_elem_blk) != EX_NOERR) return EX_FATAL;
if (info->num_elem_blk == 0 && info->num_elem > 0) {
exerrval = status;
sprintf(errmsg,
"Error: failed to locate number of element blocks in file id %d",
exoid);
ex_err("ex_get_init_ext",errmsg,exerrval);
return (EX_FATAL);
}
if (ex_get_dim_value(exoid,"node sets", DIM_NUM_NS,dimid,&info->num_node_sets) != EX_NOERR) return EX_FATAL;
if (ex_get_dim_value(exoid,"edge sets", DIM_NUM_ES,dimid,&info->num_edge_sets) != EX_NOERR) return EX_FATAL;
if (ex_get_dim_value(exoid,"face sets", DIM_NUM_FS,dimid,&info->num_face_sets) != EX_NOERR) return EX_FATAL;
if (ex_get_dim_value(exoid,"side sets", DIM_NUM_SS,dimid,&info->num_side_sets) != EX_NOERR) return EX_FATAL;
if (ex_get_dim_value(exoid,"elem sets",DIM_NUM_ELS,dimid,&info->num_elem_sets) != EX_NOERR) return EX_FATAL;
if (ex_get_dim_value(exoid,"node maps", DIM_NUM_NM,dimid,&info->num_node_maps) != EX_NOERR) return EX_FATAL;
if (ex_get_dim_value(exoid,"edge maps",DIM_NUM_EDM,dimid,&info->num_edge_maps) != EX_NOERR) return EX_FATAL;
if (ex_get_dim_value(exoid,"face maps",DIM_NUM_FAM,dimid,&info->num_face_maps) != EX_NOERR) return EX_FATAL;
if (ex_get_dim_value(exoid,"elem maps", DIM_NUM_EM,dimid,&info->num_elem_maps) != EX_NOERR) return EX_FATAL;
/* Edge and face blocks are also optional (for backwards compatability) */
if (ex_get_dim_value(exoid,"edge blocks",DIM_NUM_ED_BLK,dimid,&info->num_edge_blk) != EX_NOERR) return EX_FATAL;
if (ex_get_dim_value(exoid,"face blocks",DIM_NUM_FA_BLK,dimid,&info->num_face_blk) != EX_NOERR) return EX_FATAL;
return (EX_NOERR);
}

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