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f376c23329
re: https://github.com/Unidata/netcdf-c/issues/1642 Modify ncdump, nccopy, and ncgen to support the NC_COMPACT storage option. Added test cases and added description to the man pages for the utilities. 1. ncdump: For compact storage variable, print special attribute __Storage_ as ```` <var>: _Storage = "compact"; ```` 2. ncgen: parse and implement ```` <var>: _Storage = "compact"; ```` in a .cdl file 3. nccopy: Extend the chunk specification (-c flag) to support compact using the forms ```` nccopy ... -c <var>:compact and nccopy ... -c <var>:contiguous ```` Misc. other changes 1. cleanup the copy_chunking function in ncdump/nccopy.c
50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/*********************************************************************
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* Copyright 2018, UCAR/Unidata
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* See netcdf/COPYRIGHT file for copying and redistribution conditions.
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* $Id $
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*********************************************************************/
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#ifndef _CHUNKSPEC_H_
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#define _CHUNKSPEC_H_
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/* Parse chunkspec string and convert into internal data structure,
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* associating dimids from open file or group specified by ncid with
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* corresponding chunk sizes */
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extern int
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chunkspec_parse(int ncid, const char *spec);
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/* Return chunk size in chunkspec string specified for dimension
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* corresponding to dimid, 0 if not found */
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extern size_t
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dimchunkspec_size(int dimid);
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/* Return 1 if a dimension spec is defined
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* corresponding to dimid, 0 if not found */
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extern bool_t
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dimchunkspec_exists(int indimid);
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/* Return number of dimensions for which chunking was specified in
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* chunkspec string on command line, 0 if no chunkspec string was
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* specified. */
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extern int
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dimchunkspec_ndims(void);
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/* Return whether chunking should be omitted, due to explicit
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* command-line specification. */
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extern bool_t
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dimchunkspec_omit(void);
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extern bool_t varchunkspec_omit(int grpid, int varid);
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extern size_t* varchunkspec_chunksizes(int grpid, int varid);
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extern size_t varchunkspec_ndims(int grpid, int varid);
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extern bool_t varchunkspec_exists(int grpid, int varid);
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extern int varchunkspec_kind(int grpid, int varid);
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extern void chunkspecinit(void);
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#endif /* _CHUNKSPEC_H_ */
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