1 /*
2  * Copyright (c) 2005 Sandia Corporation. Under the terms of Contract
3  * DE-AC04-94AL85000 with Sandia Corporation, the U.S. Governement
4  * retains certain rights in this software.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions are
8  * met:
9  *
10  *     * Redistributions of source code must retain the above copyright
11  *       notice, this list of conditions and the following disclaimer.
12  *
13  *     * Redistributions in binary form must reproduce the above
14  *       copyright notice, this list of conditions and the following
15  *       disclaimer in the documentation and/or other materials provided
16  *       with the distribution.
17  *
18  *     * Neither the name of Sandia Corporation nor the names of its
19  *       contributors may be used to endorse or promote products derived
20  *       from this software without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
28  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33  *
34  */
35 /*****************************************************************************
36 *
37 * exgmp - ex_get_map_param
38 *
39 * entry conditions -
40 *   input parameters:
41 *       int     exoid                   exodus file id
42 *
43 * exit conditions -
44 *       int*    num_node_maps           number of node maps
45 *       int*    num_elem_maps           number of element maps
46 *
47 * revision history -
48 *
49 *****************************************************************************/
50 
51 #include "exodusII.h"
52 #include "exodusII_int.h"
53 
54 /*
55  * reads the number of node and element maps
56  */
57 
ex_get_map_param(int exoid,int * num_node_maps,int * num_elem_maps)58 int ex_get_map_param (int   exoid,
59                       int  *num_node_maps,
60                       int  *num_elem_maps)
61 {
62   int status;
63   int dimid;
64   size_t lnum_node_maps, lnum_elem_maps;
65   char errmsg[MAX_ERR_LENGTH];
66 
67   exerrval = 0; /* clear error code */
68 
69 
70   /* node maps are optional */
71   if (nc_inq_dimid(exoid, DIM_NUM_NM, &dimid) != NC_NOERR) {
72     *num_node_maps = 0;
73   } else {
74     if ((status = nc_inq_dimlen(exoid, dimid, &lnum_node_maps)) != NC_NOERR) {
75 	  exerrval = status;
76 	  sprintf(errmsg,
77 		  "Error: failed to get number of node maps in file id %d",
78 		  exoid);
79 	  ex_err("ex_get_map_param",errmsg,exerrval);
80 	  return (EX_FATAL);
81 	}
82 	*num_node_maps = lnum_node_maps;
83 	}
84 
85     /* element maps are optional */
86     if (nc_inq_dimid(exoid, DIM_NUM_EM, &dimid) != NC_NOERR) {
87     *num_elem_maps = 0;
88   } else {
89     if ((status = nc_inq_dimlen(exoid, dimid, &lnum_elem_maps)) != NC_NOERR) {
90       exerrval = status;
91       sprintf(errmsg,
92               "Error: failed to get number of element maps in file id %d",
93 	      exoid);
94       ex_err("ex_get_map_param",errmsg,exerrval);
95       return (EX_FATAL);
96     }
97     *num_elem_maps = lnum_elem_maps;
98   }
99   return (EX_NOERR);
100 }
101