/* * 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 #include /* Used to reduce repeated code below */ static int ex_get_dim_value(int exoid, const char *name, const char *dimension_name, int dimension, int *value) { char errmsg[MAX_ERR_LENGTH]; int status; size_t lnum; if ((status = nc_inq_dimid (exoid, dimension_name, &dimension)) != NC_NOERR) { /* optional and default to zero. */ *value = 0; } else { if ((status = nc_inq_dimlen(exoid, dimension, &lnum)) != 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 = lnum; } 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; size_t lnum; 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",errmsg,exerrval); return (EX_FATAL); } /* Check title length to avoid overrunning clients memory space; include trailing null */ if (title_len > MAX_LINE_LENGTH+1) { 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",errmsg,exerrval); return (EX_FATAL); } status = ex_get_dimension(exoid, DIM_NUM_DIM, "dimensions", &lnum, &dimid, "ex_get_init"); if (status != NC_NOERR) return status; info->num_dim = lnum; /* 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",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); }