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68 lines
1.5 KiB
C
68 lines
1.5 KiB
C
/* Copyright 2018, UCAR/Unidata See netcdf/COPYRIGHT file for copying
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* and redistribution conditions.*/
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/**
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* @file @internal HDF4 functions.
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*
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* @author Ed Hartnett
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*/
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#include "config.h"
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#include "nc4internal.h"
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#include "hdf4dispatch.h"
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#include <mfhdf.h>
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/**
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* @internal Get the format (i.e. NC_FORMAT_NC_HDF4) of an open HDF4
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* file.
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*
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* @param ncid File ID (ignored).
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* @param formatp Pointer that gets the constant indicating format.
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* @return ::NC_NOERR No error.
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* @return ::NC_EBADID Bad ncid.
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* @author Ed Hartnett
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*/
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int
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NC_HDF4_inq_format(int ncid, int *formatp)
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{
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/* HDF4 is the format. */
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if (formatp)
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*formatp = NC_FORMATX_NC_HDF4;
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return NC_NOERR;
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}
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/**
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* @internal Return the extended format (i.e. the dispatch model),
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* plus the mode associated with an open file.
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*
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* @param ncid File ID.
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* @param formatp a pointer that gets the extended format. HDF4 files
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* will always get NC_FORMATX_NC_HDF4.
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* @param modep a pointer that gets the open/create mode associated with
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* this file. Ignored if NULL.
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* @return ::NC_NOERR No error.
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* @return ::NC_EBADID Bad ncid.
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* @author Ed Hartnett
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*/
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int
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NC_HDF4_inq_format_extended(int ncid, int *formatp, int *modep)
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{
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NC *nc;
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int retval;
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LOG((2, "%s: ncid 0x%x", __func__, ncid));
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if ((retval = nc4_find_nc_grp_h5(ncid, &nc, NULL, NULL)))
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return NC_EBADID;
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if (modep)
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*modep = nc->mode|NC_NETCDF4;
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if (formatp)
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*formatp = NC_FORMATX_NC_HDF4;
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return NC_NOERR;
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}
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