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hdf5: added unknown storage specification

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In case HDF5 adds more storage specifications, netcdf4 should be able to
cope with them by default. Further specializations could be added
nonetheless.
This commit is contained in:
Tobias Kölling 2020-09-02 16:13:23 +02:00
parent 89e656d7a5
commit 4c27730ae3
4 changed files with 17 additions and 6 deletions
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4
include/netcdf.h
View File

@ -293,11 +293,13 @@ NOTE: The NC_MAX_DIMS, NC_MAX_ATTRS, and NC_MAX_VARS limits
/** In HDF5 files you can set storage for each variable to be either
* contiguous or chunked, with nc_def_var_chunking(). This define is
* used there. */
* used there. Unknown storage is used for further extensions of HDF5
* storage models, which should be handled transparently by netcdf */
/**@{*/
#define NC_CHUNKED 0
#define NC_CONTIGUOUS 1
#define NC_COMPACT 2
#define NC_UNKNOWN_STORAGE 3
/**@}*/
/** In HDF5 files you can set check-summing for each variable.

4
libhdf5/hdf5open.c
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@ -1140,6 +1140,10 @@ get_chunking_info(hid_t propid, NC_VAR_INFO_T *var)
{
var->storage = NC_COMPACT;
}
else
{
var->storage = NC_UNKNOWN_STORAGE;
}
return NC_NOERR;
}

4
libsrc4/nc4internal.c
View File

@ -1709,8 +1709,10 @@ rec_print_metadata(NC_GRP_INFO_T *grp, int tab_count)
strcat(storage_str, "contiguous");
else if (var->storage == NC_COMPACT)
strcat(storage_str, "compact");
else
else if (var->storage == NC_CHUNKED)
strcat(storage_str, "chunked");
else
strcat(storage_str, "unknown");
LOG((2, "%s VARIABLE - varid: %d name: %s ndims: %d "
"dimids:%s storage: %s", tabs, var->hdr.id, var->hdr.name,
var->ndims,

5
ncdump/ncdump.c
View File

@ -988,7 +988,7 @@ pr_att_specials(
} else if(contig == NC_COMPACT) {
pr_att_name(ncid, varp->name, NC_ATT_STORAGE);
printf(" = \"compact\" ;\n");
} else {
} else if(contig == NC_CHUNKED) {
size_t *chunkp;
int i;
pr_att_name(ncid, varp->name, NC_ATT_STORAGE);
@ -1002,6 +1002,9 @@ pr_att_specials(
printf("%lu%s", (unsigned long)chunkp[i], i+1 < varp->ndims ? ", " : " ;\n");
}
free(chunkp);
} else {
pr_att_name(ncid, varp->name, NC_ATT_STORAGE);
printf(" = \"unknown\" ;\n");
}
/* _Filter (including deflate and shuffle) */