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netcdf_aux.h
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netcdf_aux.h
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/*********************************************************************
* Copyright 2018, UCAR/Unidata
* See netcdf/COPYRIGHT file for copying and redistribution conditions.
* $Id$
* $Header$
*********************************************************************/
/*
* In order to use any of the netcdf_XXX.h files, it is necessary
* to include netcdf.h followed by any netcdf_XXX.h files.
* Various things (like EXTERNL) are defined in netcdf.h
* to make them available for use by the netcdf_XXX.h files.
*/
#ifndef NCAUX_H
#define NCAUX_H
#define NCAUX_ALIGN_C 0
#define NCAUX_ALIGN_UNIFORM 1
#if defined(__cplusplus)
extern "C" {
#endif
/**
Reclaim the output tree of data from a call
to e.g. nc_get_vara or the input to e.g. nc_put_vara.
This recursively walks the top-level instances to
reclaim any nested data such as vlen or strings or such.
Assumes it is passed a pointer to count instances of xtype.
Reclaims any nested data.
WARNING: does not reclaim the top-level memory because
we do not know how it was allocated.
Should work for any netcdf format.
*/
EXTERNL int ncaux_reclaim_data(int ncid, int xtype, void* memory, size_t count);
EXTERNL int ncaux_begin_compound(int ncid, const char *name, int alignmode, void** tag);
EXTERNL int ncaux_end_compound(void* tag, nc_type* typeid);
EXTERNL int ncaux_abort_compound(void* tag);
EXTERNL int ncaux_add_field(void* tag, const char *name, nc_type field_type,
int ndims, const int* dimsizes);
/* Takes any type */
EXTERNL size_t ncaux_type_alignment(int xtype, int ncid);
/* Takes type classes only */
EXTERNL size_t ncaux_class_alignment(int ncclass);
/**************************************************/
/* Capture the id and parameters for a filter
using the HDF5 unsigned int format
*/
typedef struct NC_H5_Filterspec {
unsigned int filterid; /**< ID for arbitrary filter. */
size_t nparams; /**< nparams for arbitrary filter. */
unsigned int* params; /**< Params for arbitrary filter. */
} NC_H5_Filterspec;
EXTERNL int ncaux_h5filterspec_parse(const char* txt, unsigned int* idp, size_t* nparamsp, unsigned int** paramsp);
EXTERNL int ncaux_h5filterspec_parselist(const char* txt0, int* formatp, size_t* nspecsp, struct NC_H5_Filterspec*** vectorp);
EXTERNL void ncaux_h5filterspec_free(struct NC_H5_Filterspec* f);
EXTERNL void ncaux_h5filterspec_fix8(unsigned char* mem, int decode);
#if defined(__cplusplus)
}
#endif
#endif /*NCAUX_H*/