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98 lines
3.6 KiB
98 lines
3.6 KiB
2 years ago
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/*********************************************************************
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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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* $Header$
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*********************************************************************/
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/*
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* In order to use any of the netcdf_XXX.h files, it is necessary
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* to include netcdf.h followed by any netcdf_XXX.h files.
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* Various things (like EXTERNL) are defined in netcdf.h
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* to make them available for use by the netcdf_XXX.h files.
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*/
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#ifndef NCAUX_H
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#define NCAUX_H
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#define NCAUX_ALIGN_C 0
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#define NCAUX_ALIGN_UNIFORM 1
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/**
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Reclaim a vector of instances of arbitrary type.
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Intended for use with e.g. nc_get_vara or the input to e.g. nc_put_vara.
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This recursively walks the top-level instances to
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reclaim any nested data such as vlen or strings or such.
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Assumes it is passed a pointer to count instances of xtype.
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Reclaims any nested data.
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WARNING: ncaux_reclaim_data does not reclaim the top-level memory
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because we do not know how it was allocated.
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However ncaux_reclaim_data_all does reclaim top-level memory.
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WARNING: all data blocks below the top-level (e.g. string instances)
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will be reclaimed, so do not call if there is any static data in the instance.
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Should work for any netcdf format.
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WARNING: deprecated in favor the corresponding function in netcdf.h.
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These are just wrappers for nc_reclaim_data and
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nc_reclaim_data_all and nc_copy_data and nc_copy_data_all and
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are here for back compatibilty.
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*/
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EXTERNL int ncaux_reclaim_data(int ncid, int xtype, void* memory, size_t count);
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EXTERNL int ncaux_reclaim_data_all(int ncid, int xtype, void* memory, size_t count);
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/**************************************************/
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/* Capture the id and parameters for a filter
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using the HDF5 unsigned int format
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*/
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typedef struct NC_H5_Filterspec {
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unsigned int filterid; /**< ID for arbitrary filter. */
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size_t nparams; /**< nparams for arbitrary filter. */
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unsigned int* params; /**< Params for arbitrary filter. */
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} NC_H5_Filterspec;
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EXTERNL int ncaux_h5filterspec_parse(const char* txt, unsigned int* idp, size_t* nparamsp, unsigned int** paramsp);
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EXTERNL int ncaux_h5filterspec_parselist(const char* txt0, int* formatp, size_t* nspecsp, struct NC_H5_Filterspec*** vectorp);
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EXTERNL int ncaux_h5filterspec_parse_parameter(const char* txt, size_t* nuiparamsp, unsigned int* uiparams);
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EXTERNL void ncaux_h5filterspec_free(struct NC_H5_Filterspec* f);
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EXTERNL void ncaux_h5filterspec_fix8(unsigned char* mem, int decode);
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/**************************************************/
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/* Wrappers to export selected functions from libnetcdf */
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EXTERNL int ncaux_readfile(const char* filename, size_t* sizep, void** content);
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EXTERNL int ncaux_writefile(const char* filename, size_t size, void* content);
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/**************************************************/
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/* Takes any type */
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EXTERNL int ncaux_type_alignment(int xtype, int ncid, size_t* alignp);
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EXTERNL int ncaux_class_alignment(int ncclass, size_t* alignp);
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/**************************************************/
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/* Takes type classes only */
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/* Build compound types and properly handle offset and alignment */
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EXTERNL int ncaux_class_alignment(int ncclass, size_t* alignp);
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EXTERNL int ncaux_begin_compound(int ncid, const char *name, int alignmode, void** tag);
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EXTERNL int ncaux_end_compound(void* tag, nc_type* xtypeid);
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EXTERNL int ncaux_abort_compound(void* tag);
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EXTERNL int ncaux_add_field(void* tag, const char *name, nc_type field_type,
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int ndims, const int* dimsizes);
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#if defined(__cplusplus)
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}
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#endif
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#endif /*NCAUX_H*/
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