File: nc4var.c

package info (click to toggle)
netcdf 1:4.7.4-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, sid
  • size: 104,952 kB
  • sloc: ansic: 228,683; sh: 10,980; yacc: 2,561; makefile: 1,319; lex: 1,173; xml: 173; awk: 2
file content (1399 lines) | stat: -rw-r--r-- 42,833 bytes parent folder | download | duplicates (3)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
/* Copyright 2003-2018, University Corporation for Atmospheric
 * Research. See COPYRIGHT file for copying and redistribution
 * conditions.*/
/**
 * @file
 * @internal This file is part of netcdf-4, a netCDF-like interface
 * for HDF5, or a HDF5 backend for netCDF, depending on your point of
 * view. This file handles the NetCDF-4 variable functions.
 *
 * @author Ed Hartnett, Dennis Heimbigner, Ward Fisher
 */

#include "config.h"
#include <nc4internal.h>
#include "nc4dispatch.h"
#ifdef USE_HDF5
#include "hdf5internal.h"
#endif
#include <math.h>

/**
 * @internal This is called by nc_get_var_chunk_cache(). Get chunk
 * cache size for a variable.
 *
 * @param ncid File ID.
 * @param varid Variable ID.
 * @param sizep Gets size in bytes of cache.
 * @param nelemsp Gets number of element slots in cache.
 * @param preemptionp Gets cache swapping setting.
 *
 * @returns ::NC_NOERR No error.
 * @returns ::NC_EBADID Bad ncid.
 * @returns ::NC_ENOTVAR Invalid variable ID.
 * @returns ::NC_ENOTNC4 Not a netCDF-4 file.
 * @author Ed Hartnett
 */
int
NC4_get_var_chunk_cache(int ncid, int varid, size_t *sizep,
                        size_t *nelemsp, float *preemptionp)
{
    NC *nc;
    NC_GRP_INFO_T *grp;
    NC_FILE_INFO_T *h5;
    NC_VAR_INFO_T *var;
    int retval;

    /* Find info for this file and group, and set pointer to each. */
    if ((retval = nc4_find_nc_grp_h5(ncid, &nc, &grp, &h5)))
        return retval;
    assert(nc && grp && h5);

    /* Find the var. */
    var = (NC_VAR_INFO_T*)ncindexith(grp->vars,varid);
    if(!var)
        return NC_ENOTVAR;
    assert(var && var->hdr.id == varid);

    /* Give the user what they want. */
    if (sizep)
        *sizep = var->chunk_cache_size;
    if (nelemsp)
        *nelemsp = var->chunk_cache_nelems;
    if (preemptionp)
        *preemptionp = var->chunk_cache_preemption;

    return NC_NOERR;
}

/**
 * @internal A wrapper for NC4_get_var_chunk_cache(), we need this
 * version for fortran.
 *
 * @param ncid File ID.
 * @param varid Variable ID.
 * @param sizep Gets size in MB of cache.
 * @param nelemsp Gets number of element slots in cache.
 * @param preemptionp Gets cache swapping setting.
 *
 * @returns ::NC_NOERR No error.
 * @returns ::NC_EBADID Bad ncid.
 * @returns ::NC_ENOTVAR Invalid variable ID.
 * @returns ::NC_ENOTNC4 Not a netCDF-4 file.
 * @author Ed Hartnett
 */
int
nc_get_var_chunk_cache_ints(int ncid, int varid, int *sizep,
                            int *nelemsp, int *preemptionp)
{
    size_t real_size, real_nelems;
    float real_preemption;
    int ret;

    if ((ret = NC4_get_var_chunk_cache(ncid, varid, &real_size,
                                       &real_nelems, &real_preemption)))
        return ret;

    if (sizep)
        *sizep = real_size / MEGABYTE;
    if (nelemsp)
        *nelemsp = (int)real_nelems;
    if(preemptionp)
        *preemptionp = (int)(real_preemption * 100);

    return NC_NOERR;
}

/**
 * @internal Get all the information about a variable. Pass NULL for
 * whatever you don't care about. This is the internal function called
 * by nc_inq_var(), nc_inq_var_deflate(), nc_inq_var_fletcher32(),
 * nc_inq_var_chunking(), nc_inq_var_chunking_ints(),
 * nc_inq_var_fill(), nc_inq_var_endian(), nc_inq_var_filter(), and
 * nc_inq_var_szip().
 *
 * @param ncid File ID.
 * @param varid Variable ID.
 * @param name Gets name.
 * @param xtypep Gets type.
 * @param ndimsp Gets number of dims.
 * @param dimidsp Gets array of dim IDs.
 * @param nattsp Gets number of attributes.
 * @param shufflep Gets shuffle setting.
 * @param deflatep Gets deflate setting.
 * @param deflate_levelp Gets deflate level.
 * @param fletcher32p Gets fletcher32 setting.
 * @param storagep Gets storage setting.
 * @param chunksizesp Gets chunksizes.
 * @param no_fill Gets fill mode.
 * @param fill_valuep Gets fill value.
 * @param endiannessp Gets one of ::NC_ENDIAN_BIG ::NC_ENDIAN_LITTLE
 * ::NC_ENDIAN_NATIVE
 * @param idp Pointer to memory to store filter id.
 * @param nparamsp Pointer to memory to store filter parameter count.
 * @param params Pointer to vector of unsigned integers into which
 * to store filter parameters.
 *
 * @returns ::NC_NOERR No error.
 * @returns ::NC_EBADID Bad ncid.
 * @returns ::NC_ENOTVAR Bad varid.
 * @returns ::NC_ENOMEM Out of memory.
 * @returns ::NC_EINVAL Invalid input.
 * @author Ed Hartnett, Dennis Heimbigner
 */
int
NC4_inq_var_all(int ncid, int varid, char *name, nc_type *xtypep,
                int *ndimsp, int *dimidsp, int *nattsp,
                int *shufflep, int *deflatep, int *deflate_levelp,
                int *fletcher32p, int *storagep, size_t *chunksizesp,
                int *no_fill, void *fill_valuep, int *endiannessp,
                unsigned int *idp, size_t *nparamsp, unsigned int *params)
{
    NC_GRP_INFO_T *grp;
    NC_FILE_INFO_T *h5;
    NC_VAR_INFO_T *var;
    int d;
    int retval;

    LOG((2, "%s: ncid 0x%x varid %d", __func__, ncid, varid));

    /* Find info for this file and group, and set pointer to each. */
    if ((retval = nc4_find_nc_grp_h5(ncid, NULL, &grp, &h5)))
        return retval;
    assert(grp && h5);

    /* If the varid is -1, find the global atts and call it a day. */
    if (varid == NC_GLOBAL && nattsp)
    {
        *nattsp = ncindexcount(grp->att);
        return NC_NOERR;
    }

    /* Find the var. */
    if (!(var = (NC_VAR_INFO_T *)ncindexith(grp->vars, varid)))
        return NC_ENOTVAR;
    assert(var && var->hdr.id == varid);

    /* Copy the data to the user's data buffers. */
    if (name)
        strcpy(name, var->hdr.name);
    if (xtypep)
        *xtypep = var->type_info->hdr.id;
    if (ndimsp)
        *ndimsp = var->ndims;
    if (dimidsp)
        for (d = 0; d < var->ndims; d++)
            dimidsp[d] = var->dimids[d];
    if (nattsp)
        *nattsp = ncindexcount(var->att);

    /* Did the user want the chunksizes? */
    if (var->storage == NC_CHUNKED && chunksizesp)
    {
        for (d = 0; d < var->ndims; d++)
        {
            chunksizesp[d] = var->chunksizes[d];
            LOG((4, "chunksizesp[%d]=%d", d, chunksizesp[d]));
        }
    }

    /* Did the user inquire about the storage? */
    if (storagep)
	*storagep = var->storage;

    /* Filter stuff. */
    if (shufflep)
        *shufflep = (int)var->shuffle;
    if (fletcher32p)
        *fletcher32p = (int)var->fletcher32;

    if (deflatep)
	return NC_EFILTER;

    if (idp) {
#if 0
        NC* nc = h5->controller;
	NC_FILTER_ACTION action;
	action.action = NCFILTER_INQ_FILTER;
	action.format = NC_FORMATX_NC_HDF5;
	action.id =  (idp)?*idp:0;
	action.nelems = (nparamsp)?*nparamsp:0;
	action.elems = params;
	if((retval = nc->dispatch->filter_actions(ncid,varid,&action)) == NC_NOERR) {
	    if(idp) *idp = action.id;
	    if(nparamsp) *nparamsp = action.nelems;
	}
	return retval;
#else
	return NC_EFILTER;
#endif
    }

    /* Fill value stuff. */
    if (no_fill)
        *no_fill = (int)var->no_fill;

    /* Don't do a thing with fill_valuep if no_fill mode is set for
     * this var, or if fill_valuep is NULL. */
    if (!var->no_fill && fill_valuep)
    {
        /* Do we have a fill value for this var? */
        if (var->fill_value)
        {
            if (var->type_info->nc_type_class == NC_STRING)
            {
                assert(*(char **)var->fill_value);
                /* This will allocate memory and copy the string. */
                if (!(*(char **)fill_valuep = strdup(*(char **)var->fill_value)))
                {
                    free(*(char **)fill_valuep);
                    return NC_ENOMEM;
                }
            }
            else
            {
                assert(var->type_info->size);
                memcpy(fill_valuep, var->fill_value, var->type_info->size);
            }
        }
        else
        {
            if (var->type_info->nc_type_class == NC_STRING)
            {
                if (!(*(char **)fill_valuep = calloc(1, sizeof(char *))))
                    return NC_ENOMEM;

                if ((retval = nc4_get_default_fill_value(var->type_info, (char **)fill_valuep)))
                {
                    free(*(char **)fill_valuep);
                    return retval;
                }
            }
            else
            {
                if ((retval = nc4_get_default_fill_value(var->type_info, fill_valuep)))
                    return retval;
            }
        }
    }

    /* Does the user want the endianness of this variable? */
    if (endiannessp)
        *endiannessp = var->type_info->endianness;

    return NC_NOERR;
}

/**
 * @internal Inquire about chunking settings for a var. This is used
 * by the fortran API.
 *
 * @param ncid File ID.
 * @param varid Variable ID.
 * @param storagep Gets contiguous setting.
 * @param chunksizesp Gets chunksizes.
 *
 * @returns ::NC_NOERR No error.
 * @returns ::NC_EBADID Bad ncid.
 * @returns ::NC_ENOTVAR Invalid variable ID.
 * @returns ::NC_EINVAL Invalid input
 * @returns ::NC_ENOMEM Out of memory.
 * @author Ed Hartnett
 */
int
nc_inq_var_chunking_ints(int ncid, int varid, int *storagep, int *chunksizesp)
{
    NC_VAR_INFO_T *var;
    size_t *cs = NULL;
    int i, retval;

    /* Get pointer to the var. */
    if ((retval = nc4_find_grp_h5_var(ncid, varid, NULL, NULL, &var)))
        return retval;
    assert(var);

    /* Allocate space for the size_t copy of the chunksizes array. */
    if (var->ndims)
        if (!(cs = malloc(var->ndims * sizeof(size_t))))
            return NC_ENOMEM;

    /* Call the netcdf-4 version directly. */
    retval = NC4_inq_var_all(ncid, varid, NULL, NULL, NULL, NULL, NULL,
                             NULL, NULL, NULL, NULL, storagep, cs, NULL,
                             NULL, NULL, NULL, NULL, NULL);

    /* Copy from size_t array. */
    if (!retval && chunksizesp && var->storage == NC_CHUNKED)
    {
        for (i = 0; i < var->ndims; i++)
        {
            chunksizesp[i] = (int)cs[i];
            if (cs[i] > NC_MAX_INT)
                retval = NC_ERANGE;
        }
    }

    if (var->ndims)
        free(cs);
    return retval;
}

/**
 * @internal Find the ID of a variable, from the name. This function
 * is called by nc_inq_varid().
 *
 * @param ncid File ID.
 * @param name Name of the variable.
 * @param varidp Gets variable ID.

 * @returns ::NC_NOERR No error.
 * @returns ::NC_EBADID Bad ncid.
 * @returns ::NC_ENOTVAR Bad variable ID.
 */
int
NC4_inq_varid(int ncid, const char *name, int *varidp)
{
    NC *nc;
    NC_GRP_INFO_T *grp;
    NC_VAR_INFO_T *var;
    char norm_name[NC_MAX_NAME + 1];
    int retval;

    if (!name)
        return NC_EINVAL;
    if (!varidp)
        return NC_NOERR;

    LOG((2, "%s: ncid 0x%x name %s", __func__, ncid, name));

    /* Find info for this file and group, and set pointer to each. */
    if ((retval = nc4_find_nc_grp_h5(ncid, &nc, &grp, NULL)))
        return retval;

    /* Normalize name. */
    if ((retval = nc4_normalize_name(name, norm_name)))
        return retval;

    /* Find var of this name. */
    var = (NC_VAR_INFO_T*)ncindexlookup(grp->vars,norm_name);
    if(var)
    {
        *varidp = var->hdr.id;
        return NC_NOERR;
    }
    return NC_ENOTVAR;
}

/**
 * @internal
 *
 * This function will change the parallel access of a variable from
 * independent to collective.
 *
 * @param ncid File ID.
 * @param varid Variable ID.
 * @param par_access NC_COLLECTIVE or NC_INDEPENDENT.
 *
 * @returns ::NC_NOERR No error.
 * @returns ::NC_EBADID Invalid ncid passed.
 * @returns ::NC_ENOTVAR Invalid varid passed.
 * @returns ::NC_ENOPAR LFile was not opened with nc_open_par/nc_create_var.
 * @returns ::NC_EINVAL Invalid par_access specified.
 * @returns ::NC_NOERR for success
 * @author Ed Hartnett, Dennis Heimbigner
 */
int
NC4_var_par_access(int ncid, int varid, int par_access)
{
#ifndef USE_PARALLEL4
    NC_UNUSED(ncid);
    NC_UNUSED(varid);
    NC_UNUSED(par_access);
    return NC_ENOPAR;
#else
    NC *nc;
    NC_GRP_INFO_T *grp;
    NC_FILE_INFO_T *h5;
    NC_VAR_INFO_T *var;
    int retval;

    LOG((1, "%s: ncid 0x%x varid %d par_access %d", __func__, ncid,
         varid, par_access));

    if (par_access != NC_INDEPENDENT && par_access != NC_COLLECTIVE)
        return NC_EINVAL;

    /* Find info for this file and group, and set pointer to each. */
    if ((retval = nc4_find_nc_grp_h5(ncid, &nc, &grp, &h5)))
        return retval;

    /* This function only for files opened with nc_open_par or nc_create_par. */
    if (!h5->parallel)
        return NC_ENOPAR;

    /* Find the var, and set its preference. */
    var = (NC_VAR_INFO_T*)ncindexith(grp->vars,varid);
    if (!var) return NC_ENOTVAR;
    assert(var->hdr.id == varid);

    /* If zlib, shuffle, or fletcher32 filters are in use, then access
     * must be collective. Fail an attempt to set such a variable to
     * independent access. */
    if ((nclistlength(var->filters) > 0 || var->shuffle || var->fletcher32) &&
        par_access == NC_INDEPENDENT)
        return NC_EINVAL;

    if (par_access)
        var->parallel_access = NC_COLLECTIVE;
    else
        var->parallel_access = NC_INDEPENDENT;
    return NC_NOERR;
#endif /* USE_PARALLEL4 */
}

/**
 * @internal Copy data from one buffer to another, performing
 * appropriate data conversion.
 *
 * This function will copy data from one buffer to another, in
 * accordance with the types. Range errors will be noted, and the fill
 * value used (or the default fill value if none is supplied) for
 * values that overflow the type.
 *
 * @param src Pointer to source of data.
 * @param dest Pointer that gets data.
 * @param src_type Type ID of source data.
 * @param dest_type Type ID of destination data.
 * @param len Number of elements of data to copy.
 * @param range_error Pointer that gets 1 if there was a range error.
 * @param fill_value The fill value.
 * @param strict_nc3 Non-zero if strict model in effect.
 *
 * @returns NC_NOERR No error.
 * @returns NC_EBADTYPE Type not found.
 * @author Ed Hartnett, Dennis Heimbigner
 */
int
nc4_convert_type(const void *src, void *dest, const nc_type src_type,
                 const nc_type dest_type, const size_t len, int *range_error,
                 const void *fill_value, int strict_nc3)
{
    char *cp, *cp1;
    float *fp, *fp1;
    double *dp, *dp1;
    int *ip, *ip1;
    short *sp, *sp1;
    signed char *bp, *bp1;
    unsigned char *ubp, *ubp1;
    unsigned short *usp, *usp1;
    unsigned int *uip, *uip1;
    long long *lip, *lip1;
    unsigned long long *ulip, *ulip1;
    size_t count = 0;

    *range_error = 0;
    LOG((3, "%s: len %d src_type %d dest_type %d", __func__, len, src_type,
         dest_type));

    /* OK, this is ugly. If you can think of anything better, I'm open
       to suggestions!

       Note that we don't use a default fill value for type
       NC_BYTE. This is because Lord Voldemort cast a nofilleramous spell
       at Harry Potter, but it bounced off his scar and hit the netcdf-4
       code.
    */
    switch (src_type)
    {
    case NC_CHAR:
        switch (dest_type)
        {
        case NC_CHAR:
            for (cp = (char *)src, cp1 = dest; count < len; count++)
                *cp1++ = *cp++;
            break;
        default:
            LOG((0, "%s: Unknown destination type.", __func__));
        }
        break;

    case NC_BYTE:
        switch (dest_type)
        {
        case NC_BYTE:
            for (bp = (signed char *)src, bp1 = dest; count < len; count++)
                *bp1++ = *bp++;
            break;
        case NC_UBYTE:
            for (bp = (signed char *)src, ubp = dest; count < len; count++)
            {
                if (*bp < 0)
                    (*range_error)++;
                *ubp++ = *bp++;
            }
            break;
        case NC_SHORT:
            for (bp = (signed char *)src, sp = dest; count < len; count++)
                *sp++ = *bp++;
            break;
        case NC_USHORT:
            for (bp = (signed char *)src, usp = dest; count < len; count++)
            {
                if (*bp < 0)
                    (*range_error)++;
                *usp++ = *bp++;
            }
            break;
        case NC_INT:
            for (bp = (signed char *)src, ip = dest; count < len; count++)
                *ip++ = *bp++;
            break;
        case NC_UINT:
            for (bp = (signed char *)src, uip = dest; count < len; count++)
            {
                if (*bp < 0)
                    (*range_error)++;
                *uip++ = *bp++;
            }
            break;
        case NC_INT64:
            for (bp = (signed char *)src, lip = dest; count < len; count++)
                *lip++ = *bp++;
            break;
        case NC_UINT64:
            for (bp = (signed char *)src, ulip = dest; count < len; count++)
            {
                if (*bp < 0)
                    (*range_error)++;
                *ulip++ = *bp++;
            }
            break;
        case NC_FLOAT:
            for (bp = (signed char *)src, fp = dest; count < len; count++)
                *fp++ = *bp++;
            break;
        case NC_DOUBLE:
            for (bp = (signed char *)src, dp = dest; count < len; count++)
                *dp++ = *bp++;
            break;
        default:
            LOG((0, "%s: unexpected dest type. src_type %d, dest_type %d",
                 __func__, src_type, dest_type));
            return NC_EBADTYPE;
        }
        break;

    case NC_UBYTE:
        switch (dest_type)
        {
        case NC_BYTE:
            for (ubp = (unsigned char *)src, bp = dest; count < len; count++)
            {
                if (!strict_nc3 && *ubp > X_SCHAR_MAX)
                    (*range_error)++;
                *bp++ = *ubp++;
            }
            break;
        case NC_SHORT:
            for (ubp = (unsigned char *)src, sp = dest; count < len; count++)
                *sp++ = *ubp++;
            break;
        case NC_UBYTE:
            for (ubp = (unsigned char *)src, ubp1 = dest; count < len; count++)
                *ubp1++ = *ubp++;
            break;
        case NC_USHORT:
            for (ubp = (unsigned char *)src, usp = dest; count < len; count++)
                *usp++ = *ubp++;
            break;
        case NC_INT:
            for (ubp = (unsigned char *)src, ip = dest; count < len; count++)
                *ip++ = *ubp++;
            break;
        case NC_UINT:
            for (ubp = (unsigned char *)src, uip = dest; count < len; count++)
                *uip++ = *ubp++;
            break;
        case NC_INT64:
            for (ubp = (unsigned char *)src, lip = dest; count < len; count++)
                *lip++ = *ubp++;
            break;
        case NC_UINT64:
            for (ubp = (unsigned char *)src, ulip = dest; count < len; count++)
                *ulip++ = *ubp++;
            break;
        case NC_FLOAT:
            for (ubp = (unsigned char *)src, fp = dest; count < len; count++)
                *fp++ = *ubp++;
            break;
        case NC_DOUBLE:
            for (ubp = (unsigned char *)src, dp = dest; count < len; count++)
                *dp++ = *ubp++;
            break;
        default:
            LOG((0, "%s: unexpected dest type. src_type %d, dest_type %d",
                 __func__, src_type, dest_type));
            return NC_EBADTYPE;
        }
        break;

    case NC_SHORT:
        switch (dest_type)
        {
        case NC_UBYTE:
            for (sp = (short *)src, ubp = dest; count < len; count++)
            {
                if (*sp > X_UCHAR_MAX || *sp < 0)
                    (*range_error)++;
                *ubp++ = *sp++;
            }
            break;
        case NC_BYTE:
            for (sp = (short *)src, bp = dest; count < len; count++)
            {
                if (*sp > X_SCHAR_MAX || *sp < X_SCHAR_MIN)
                    (*range_error)++;
                *bp++ = *sp++;
            }
            break;
        case NC_SHORT:
            for (sp = (short *)src, sp1 = dest; count < len; count++)
                *sp1++ = *sp++;
            break;
        case NC_USHORT:
            for (sp = (short *)src, usp = dest; count < len; count++)
            {
                if (*sp < 0)
                    (*range_error)++;
                *usp++ = *sp++;
            }
            break;
        case NC_INT:
            for (sp = (short *)src, ip = dest; count < len; count++)
                *ip++ = *sp++;
            break;
        case NC_UINT:
            for (sp = (short *)src, uip = dest; count < len; count++)
            {
                if (*sp < 0)
                    (*range_error)++;
                *uip++ = *sp++;
            }
            break;
        case NC_INT64:
            for (sp = (short *)src, lip = dest; count < len; count++)
                *lip++ = *sp++;
            break;
        case NC_UINT64:
            for (sp = (short *)src, ulip = dest; count < len; count++)
            {
                if (*sp < 0)
                    (*range_error)++;
                *ulip++ = *sp++;
            }
            break;
        case NC_FLOAT:
            for (sp = (short *)src, fp = dest; count < len; count++)
                *fp++ = *sp++;
            break;
        case NC_DOUBLE:
            for (sp = (short *)src, dp = dest; count < len; count++)
                *dp++ = *sp++;
            break;
        default:
            LOG((0, "%s: unexpected dest type. src_type %d, dest_type %d",
                 __func__, src_type, dest_type));
            return NC_EBADTYPE;
        }
        break;

    case NC_USHORT:
        switch (dest_type)
        {
        case NC_UBYTE:
            for (usp = (unsigned short *)src, ubp = dest; count < len; count++)
            {
                if (*usp > X_UCHAR_MAX)
                    (*range_error)++;
                *ubp++ = *usp++;
            }
            break;
        case NC_BYTE:
            for (usp = (unsigned short *)src, bp = dest; count < len; count++)
            {
                if (*usp > X_SCHAR_MAX)
                    (*range_error)++;
                *bp++ = *usp++;
            }
            break;
        case NC_SHORT:
            for (usp = (unsigned short *)src, sp = dest; count < len; count++)
            {
                if (*usp > X_SHORT_MAX)
                    (*range_error)++;
                *sp++ = *usp++;
            }
            break;
        case NC_USHORT:
            for (usp = (unsigned short *)src, usp1 = dest; count < len; count++)
                *usp1++ = *usp++;
            break;
        case NC_INT:
            for (usp = (unsigned short *)src, ip = dest; count < len; count++)
                *ip++ = *usp++;
            break;
        case NC_UINT:
            for (usp = (unsigned short *)src, uip = dest; count < len; count++)
                *uip++ = *usp++;
            break;
        case NC_INT64:
            for (usp = (unsigned short *)src, lip = dest; count < len; count++)
                *lip++ = *usp++;
            break;
        case NC_UINT64:
            for (usp = (unsigned short *)src, ulip = dest; count < len; count++)
                *ulip++ = *usp++;
            break;
        case NC_FLOAT:
            for (usp = (unsigned short *)src, fp = dest; count < len; count++)
                *fp++ = *usp++;
            break;
        case NC_DOUBLE:
            for (usp = (unsigned short *)src, dp = dest; count < len; count++)
                *dp++ = *usp++;
            break;
        default:
            LOG((0, "%s: unexpected dest type. src_type %d, dest_type %d",
                 __func__, src_type, dest_type));
            return NC_EBADTYPE;
        }
        break;

    case NC_INT:
        switch (dest_type)
        {
        case NC_UBYTE:
            for (ip = (int *)src, ubp = dest; count < len; count++)
            {
                if (*ip > X_UCHAR_MAX || *ip < 0)
                    (*range_error)++;
                *ubp++ = *ip++;
            }
            break;
        case NC_BYTE:
            for (ip = (int *)src, bp = dest; count < len; count++)
            {
                if (*ip > X_SCHAR_MAX || *ip < X_SCHAR_MIN)
                    (*range_error)++;
                *bp++ = *ip++;
            }
            break;
        case NC_SHORT:
            for (ip = (int *)src, sp = dest; count < len; count++)
            {
                if (*ip > X_SHORT_MAX || *ip < X_SHORT_MIN)
                    (*range_error)++;
                *sp++ = *ip++;
            }
            break;
        case NC_USHORT:
            for (ip = (int *)src, usp = dest; count < len; count++)
            {
                if (*ip > X_USHORT_MAX || *ip < 0)
                    (*range_error)++;
                *usp++ = *ip++;
            }
            break;
        case NC_INT: /* src is int */
            for (ip = (int *)src, ip1 = dest; count < len; count++)
            {
                if (*ip > X_INT_MAX || *ip < X_INT_MIN)
                    (*range_error)++;
                *ip1++ = *ip++;
            }
            break;
        case NC_UINT:
            for (ip = (int *)src, uip = dest; count < len; count++)
            {
                if (*ip > X_UINT_MAX || *ip < 0)
                    (*range_error)++;
                *uip++ = *ip++;
            }
            break;
        case NC_INT64:
            for (ip = (int *)src, lip = dest; count < len; count++)
                *lip++ = *ip++;
            break;
        case NC_UINT64:
            for (ip = (int *)src, ulip = dest; count < len; count++)
            {
                if (*ip < 0)
                    (*range_error)++;
                *ulip++ = *ip++;
            }
            break;
        case NC_FLOAT:
            for (ip = (int *)src, fp = dest; count < len; count++)
                *fp++ = *ip++;
            break;
        case NC_DOUBLE:
            for (ip = (int *)src, dp = dest; count < len; count++)
                *dp++ = *ip++;
            break;
        default:
            LOG((0, "%s: unexpected dest type. src_type %d, dest_type %d",
                 __func__, src_type, dest_type));
            return NC_EBADTYPE;
        }
        break;

    case NC_UINT:
        switch (dest_type)
        {
        case NC_UBYTE:
            for (uip = (unsigned int *)src, ubp = dest; count < len; count++)
            {
                if (*uip > X_UCHAR_MAX)
                    (*range_error)++;
                *ubp++ = *uip++;
            }
            break;
        case NC_BYTE:
            for (uip = (unsigned int *)src, bp = dest; count < len; count++)
            {
                if (*uip > X_SCHAR_MAX)
                    (*range_error)++;
                *bp++ = *uip++;
            }
            break;
        case NC_SHORT:
            for (uip = (unsigned int *)src, sp = dest; count < len; count++)
            {
                if (*uip > X_SHORT_MAX)
                    (*range_error)++;
                *sp++ = *uip++;
            }
            break;
        case NC_USHORT:
            for (uip = (unsigned int *)src, usp = dest; count < len; count++)
            {
                if (*uip > X_USHORT_MAX)
                    (*range_error)++;
                *usp++ = *uip++;
            }
            break;
        case NC_INT:
            for (uip = (unsigned int *)src, ip = dest; count < len; count++)
            {
                if (*uip > X_INT_MAX)
                    (*range_error)++;
                *ip++ = *uip++;
            }
            break;
        case NC_UINT:
            for (uip = (unsigned int *)src, uip1 = dest; count < len; count++)
            {
                if (*uip > X_UINT_MAX)
                    (*range_error)++;
                *uip1++ = *uip++;
            }
            break;
        case NC_INT64:
            for (uip = (unsigned int *)src, lip = dest; count < len; count++)
                *lip++ = *uip++;
            break;
        case NC_UINT64:
            for (uip = (unsigned int *)src, ulip = dest; count < len; count++)
                *ulip++ = *uip++;
            break;
        case NC_FLOAT:
            for (uip = (unsigned int *)src, fp = dest; count < len; count++)
                *fp++ = *uip++;
            break;
        case NC_DOUBLE:
            for (uip = (unsigned int *)src, dp = dest; count < len; count++)
                *dp++ = *uip++;
            break;
        default:
            LOG((0, "%s: unexpected dest type. src_type %d, dest_type %d",
                 __func__, src_type, dest_type));
            return NC_EBADTYPE;
        }
        break;

    case NC_INT64:
        switch (dest_type)
        {
        case NC_UBYTE:
            for (lip = (long long *)src, ubp = dest; count < len; count++)
            {
                if (*lip > X_UCHAR_MAX || *lip < 0)
                    (*range_error)++;
                *ubp++ = *lip++;
            }
            break;
        case NC_BYTE:
            for (lip = (long long *)src, bp = dest; count < len; count++)
            {
                if (*lip > X_SCHAR_MAX || *lip < X_SCHAR_MIN)
                    (*range_error)++;
                *bp++ = *lip++;
            }
            break;
        case NC_SHORT:
            for (lip = (long long *)src, sp = dest; count < len; count++)
            {
                if (*lip > X_SHORT_MAX || *lip < X_SHORT_MIN)
                    (*range_error)++;
                *sp++ = *lip++;
            }
            break;
        case NC_USHORT:
            for (lip = (long long *)src, usp = dest; count < len; count++)
            {
                if (*lip > X_USHORT_MAX || *lip < 0)
                    (*range_error)++;
                *usp++ = *lip++;
            }
            break;
        case NC_UINT:
            for (lip = (long long *)src, uip = dest; count < len; count++)
            {
                if (*lip > X_UINT_MAX || *lip < 0)
                    (*range_error)++;
                *uip++ = *lip++;
            }
            break;
        case NC_INT:
            for (lip = (long long *)src, ip = dest; count < len; count++)
            {
                if (*lip > X_INT_MAX || *lip < X_INT_MIN)
                    (*range_error)++;
                *ip++ = *lip++;
            }
            break;
        case NC_INT64:
            for (lip = (long long *)src, lip1 = dest; count < len; count++)
                *lip1++ = *lip++;
            break;
        case NC_UINT64:
            for (lip = (long long *)src, ulip = dest; count < len; count++)
            {
                if (*lip < 0)
                    (*range_error)++;
                *ulip++ = *lip++;
            }
            break;
        case NC_FLOAT:
            for (lip = (long long *)src, fp = dest; count < len; count++)
                *fp++ = *lip++;
            break;
        case NC_DOUBLE:
            for (lip = (long long *)src, dp = dest; count < len; count++)
                *dp++ = *lip++;
            break;
        default:
            LOG((0, "%s: unexpected dest type. src_type %d, dest_type %d",
                 __func__, src_type, dest_type));
            return NC_EBADTYPE;
        }
        break;

    case NC_UINT64:
        switch (dest_type)
        {
        case NC_UBYTE:
            for (ulip = (unsigned long long *)src, ubp = dest; count < len; count++)
            {
                if (*ulip > X_UCHAR_MAX)
                    (*range_error)++;
                *ubp++ = *ulip++;
            }
            break;
        case NC_BYTE:
            for (ulip = (unsigned long long *)src, bp = dest; count < len; count++)
            {
                if (*ulip > X_SCHAR_MAX)
                    (*range_error)++;
                *bp++ = *ulip++;
            }
            break;
        case NC_SHORT:
            for (ulip = (unsigned long long *)src, sp = dest; count < len; count++)
            {
                if (*ulip > X_SHORT_MAX)
                    (*range_error)++;
                *sp++ = *ulip++;
            }
            break;
        case NC_USHORT:
            for (ulip = (unsigned long long *)src, usp = dest; count < len; count++)
            {
                if (*ulip > X_USHORT_MAX)
                    (*range_error)++;
                *usp++ = *ulip++;
            }
            break;
        case NC_UINT:
            for (ulip = (unsigned long long *)src, uip = dest; count < len; count++)
            {
                if (*ulip > X_UINT_MAX)
                    (*range_error)++;
                *uip++ = *ulip++;
            }
            break;
        case NC_INT:
            for (ulip = (unsigned long long *)src, ip = dest; count < len; count++)
            {
                if (*ulip > X_INT_MAX)
                    (*range_error)++;
                *ip++ = *ulip++;
            }
            break;
        case NC_INT64:
            for (ulip = (unsigned long long *)src, lip = dest; count < len; count++)
            {
                if (*ulip > X_INT64_MAX)
                    (*range_error)++;
                *lip++ = *ulip++;
            }
            break;
        case NC_UINT64:
            for (ulip = (unsigned long long *)src, ulip1 = dest; count < len; count++)
                *ulip1++ = *ulip++;
            break;
        case NC_FLOAT:
            for (ulip = (unsigned long long *)src, fp = dest; count < len; count++)
                *fp++ = *ulip++;
            break;
        case NC_DOUBLE:
            for (ulip = (unsigned long long *)src, dp = dest; count < len; count++)
                *dp++ = *ulip++;
            break;
        default:
            LOG((0, "%s: unexpected dest type. src_type %d, dest_type %d",
                 __func__, src_type, dest_type));
            return NC_EBADTYPE;
        }
        break;

    case NC_FLOAT:
        switch (dest_type)
        {
        case NC_UBYTE:
            for (fp = (float *)src, ubp = dest; count < len; count++)
            {
                if (*fp > X_UCHAR_MAX || *fp < 0)
                    (*range_error)++;
                *ubp++ = *fp++;
            }
            break;
        case NC_BYTE:
            for (fp = (float *)src, bp = dest; count < len; count++)
            {
                if (*fp > (double)X_SCHAR_MAX || *fp < (double)X_SCHAR_MIN)
                    (*range_error)++;
                *bp++ = *fp++;
            }
            break;
        case NC_SHORT:
            for (fp = (float *)src, sp = dest; count < len; count++)
            {
                if (*fp > (double)X_SHORT_MAX || *fp < (double)X_SHORT_MIN)
                    (*range_error)++;
                *sp++ = *fp++;
            }
            break;
        case NC_USHORT:
            for (fp = (float *)src, usp = dest; count < len; count++)
            {
                if (*fp > X_USHORT_MAX || *fp < 0)
                    (*range_error)++;
                *usp++ = *fp++;
            }
            break;
        case NC_UINT:
            for (fp = (float *)src, uip = dest; count < len; count++)
            {
                if (*fp > X_UINT_MAX || *fp < 0)
                    (*range_error)++;
                *uip++ = *fp++;
            }
            break;
        case NC_INT:
            for (fp = (float *)src, ip = dest; count < len; count++)
            {
                if (*fp > (double)X_INT_MAX || *fp < (double)X_INT_MIN)
                    (*range_error)++;
                *ip++ = *fp++;
            }
            break;
        case NC_INT64:
            for (fp = (float *)src, lip = dest; count < len; count++)
            {
                if (*fp > X_INT64_MAX || *fp <X_INT64_MIN)
                    (*range_error)++;
                *lip++ = *fp++;
            }
            break;
        case NC_UINT64:
            for (fp = (float *)src, lip = dest; count < len; count++)
            {
                if (*fp > X_UINT64_MAX || *fp < 0)
                    (*range_error)++;
                *lip++ = *fp++;
            }
            break;
        case NC_FLOAT:
            for (fp = (float *)src, fp1 = dest; count < len; count++)
            {
                /*                if (*fp > X_FLOAT_MAX || *fp < X_FLOAT_MIN)
                                  (*range_error)++;*/
                *fp1++ = *fp++;
            }
            break;
        case NC_DOUBLE:
            for (fp = (float *)src, dp = dest; count < len; count++)
                *dp++ = *fp++;
            break;
        default:
            LOG((0, "%s: unexpected dest type. src_type %d, dest_type %d",
                 __func__, src_type, dest_type));
            return NC_EBADTYPE;
        }
        break;

    case NC_DOUBLE:
        switch (dest_type)
        {
        case NC_UBYTE:
            for (dp = (double *)src, ubp = dest; count < len; count++)
            {
                if (*dp > X_UCHAR_MAX || *dp < 0)
                    (*range_error)++;
                *ubp++ = *dp++;
            }
            break;
        case NC_BYTE:
            for (dp = (double *)src, bp = dest; count < len; count++)
            {
                if (*dp > X_SCHAR_MAX || *dp < X_SCHAR_MIN)
                    (*range_error)++;
                *bp++ = *dp++;
            }
            break;
        case NC_SHORT:
            for (dp = (double *)src, sp = dest; count < len; count++)
            {
                if (*dp > X_SHORT_MAX || *dp < X_SHORT_MIN)
                    (*range_error)++;
                *sp++ = *dp++;
            }
            break;
        case NC_USHORT:
            for (dp = (double *)src, usp = dest; count < len; count++)
            {
                if (*dp > X_USHORT_MAX || *dp < 0)
                    (*range_error)++;
                *usp++ = *dp++;
            }
            break;
        case NC_UINT:
            for (dp = (double *)src, uip = dest; count < len; count++)
            {
                if (*dp > X_UINT_MAX || *dp < 0)
                    (*range_error)++;
                *uip++ = *dp++;
            }
            break;
        case NC_INT:
            for (dp = (double *)src, ip = dest; count < len; count++)
            {
                if (*dp > X_INT_MAX || *dp < X_INT_MIN)
                    (*range_error)++;
                *ip++ = *dp++;
            }
            break;
        case NC_INT64:
            for (dp = (double *)src, lip = dest; count < len; count++)
            {
                if (*dp > X_INT64_MAX || *dp < X_INT64_MIN)
                    (*range_error)++;
                *lip++ = *dp++;
            }
            break;
        case NC_UINT64:
            for (dp = (double *)src, lip = dest; count < len; count++)
            {
                if (*dp > X_UINT64_MAX || *dp < 0)
                    (*range_error)++;
                *lip++ = *dp++;
            }
            break;
        case NC_FLOAT:
            for (dp = (double *)src, fp = dest; count < len; count++)
            {
                if (isgreater(*dp, X_FLOAT_MAX) || isless(*dp, X_FLOAT_MIN))
                    (*range_error)++;
                *fp++ = *dp++;
            }
            break;
        case NC_DOUBLE:
            for (dp = (double *)src, dp1 = dest; count < len; count++)
            {
                /* if (*dp > X_DOUBLE_MAX || *dp < X_DOUBLE_MIN) */
                /*    (*range_error)++; */
                *dp1++ = *dp++;
            }
            break;
        default:
            LOG((0, "%s: unexpected dest type. src_type %d, dest_type %d",
                 __func__, src_type, dest_type));
            return NC_EBADTYPE;
        }
        break;

    default:
        LOG((0, "%s: unexpected src type. src_type %d, dest_type %d",
             __func__, src_type, dest_type));
        return NC_EBADTYPE;
    }
    return NC_NOERR;
}

/**
 * @internal Get the default fill value for an atomic type. Memory for
 * fill_value must already be allocated, or you are DOOMED!
 *
 * @param type_info Pointer to type info struct.
 * @param fill_value Pointer that gets the default fill value.
 *
 * @returns NC_NOERR No error.
 * @returns NC_EINVAL Can't find atomic type.
 * @author Ed Hartnett
 */
int
nc4_get_default_fill_value(const NC_TYPE_INFO_T *type_info, void *fill_value)
{
    switch (type_info->hdr.id)
    {
    case NC_CHAR:
        *(char *)fill_value = NC_FILL_CHAR;
        break;

    case NC_STRING:
        *(char **)fill_value = strdup(NC_FILL_STRING);
        break;

    case NC_BYTE:
        *(signed char *)fill_value = NC_FILL_BYTE;
        break;

    case NC_SHORT:
        *(short *)fill_value = NC_FILL_SHORT;
        break;

    case NC_INT:
        *(int *)fill_value = NC_FILL_INT;
        break;

    case NC_UBYTE:
        *(unsigned char *)fill_value = NC_FILL_UBYTE;
        break;

    case NC_USHORT:
        *(unsigned short *)fill_value = NC_FILL_USHORT;
        break;

    case NC_UINT:
        *(unsigned int *)fill_value = NC_FILL_UINT;
        break;

    case NC_INT64:
        *(long long *)fill_value = NC_FILL_INT64;
        break;

    case NC_UINT64:
        *(unsigned long long *)fill_value = NC_FILL_UINT64;
        break;

    case NC_FLOAT:
        *(float *)fill_value = NC_FILL_FLOAT;
        break;

    case NC_DOUBLE:
        *(double *)fill_value = NC_FILL_DOUBLE;
        break;

    default:
        return NC_EINVAL;
    }

    return NC_NOERR;
}

/**
 * @internal Get the length, in bytes, of one element of a type in
 * memory.
 *
 * @param h5 Pointer to HDF5 file info struct.
 * @param xtype NetCDF type ID.
 * @param len Pointer that gets length in bytes.
 *
 * @returns NC_NOERR No error.
 * @returns NC_EBADTYPE Type not found.
 * @author Ed Hartnett
 */
int
nc4_get_typelen_mem(NC_FILE_INFO_T *h5, nc_type xtype, size_t *len)
{
    NC_TYPE_INFO_T *type;
    int retval;

    LOG((4, "%s xtype: %d", __func__, xtype));
    assert(len);

    /* If this is an atomic type, the answer is easy. */
    switch (xtype)
    {
    case NC_BYTE:
    case NC_CHAR:
    case NC_UBYTE:
        *len = sizeof(char);
        return NC_NOERR;
    case NC_SHORT:
    case NC_USHORT:
        *len = sizeof(short);
        return NC_NOERR;
    case NC_INT:
    case NC_UINT:
        *len = sizeof(int);
        return NC_NOERR;
    case NC_FLOAT:
        *len = sizeof(float);
        return NC_NOERR;
    case NC_DOUBLE:
        *len = sizeof(double);
        return NC_NOERR;
    case NC_INT64:
    case NC_UINT64:
        *len = sizeof(long long);
        return NC_NOERR;
    case NC_STRING:
        *len = sizeof(char *);
        return NC_NOERR;
    }

    /* See if var is compound type. */
    if ((retval = nc4_find_type(h5, xtype, &type)))
        return retval;

    if (!type)
        return NC_EBADTYPE;

    *len = type->size;

    LOG((5, "type->size: %d", type->size));

    return NC_NOERR;
}