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https://github.com/Unidata/netcdf-c.git
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1190 lines
21 KiB
C
1190 lines
21 KiB
C
/** \file
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The V2 API Funtions.
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Copyright 1996, University Corporation for Atmospheric Research
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See \ref copyright file for copying and redistribution conditions.
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*/
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#ifndef NO_NETCDF_2
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#include <config.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include "netcdf.h"
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#include "math.h"
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/* The subroutines in error.c emit no messages unless NC_VERBOSE bit
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* is on. They call exit() when NC_FATAL bit is on. */
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int ncopts = (NC_FATAL | NC_VERBOSE) ;
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int ncerr = NC_NOERR ;
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#if SIZEOF_LONG == SIZEOF_SIZE_T
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/*
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* We don't have to copy the arguments to switch from 'long'
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* to 'size_t' or 'ptrdiff_t'. Use dummy macros.
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*/
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# define NDIMS_DECL
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# define A_DECL(name, type, ndims, rhs) \
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const type *const name = ((const type *)(rhs))
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# define A_FREE(name)
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# define A_INIT(lhs, type, ndims, rhs)
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#else
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/*
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* We do have to copy the arguments to switch from 'long'
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* to 'size_t' or 'ptrdiff_t'. In my tests on an SGI,
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* any additional cost was lost in measurement variation.
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*
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* This stanza is true on Windows with MinGW-64
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*/
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# include "onstack.h"
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static int
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nvdims(int ncid, int varid)
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{
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int ndims=-1, status;
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if ((status = nc_inq_varndims(ncid, varid, &ndims)))
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{
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nc_advise("ncvdims", status, "ncid %d", ncid);
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return -1;
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}
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return ndims;
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}
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/* Used to avoid errors on 64-bit windows related to
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c89 macros and flow control/conditionals. */
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static void* nvmalloc(off_t size) {
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if(size < 0)
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return NULL;
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return malloc(size);
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}
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#define NDIMS_DECL const int ndims = nvdims(ncid, varid); \
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# define A_DECL(name, type, ndims, rhs) \
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type *const name = (type*) nvmalloc((ndims) * sizeof(type))
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// ALLOC_ONSTACK(name, type, ndims)
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# define A_FREE(name) \
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FREE_ONSTACK(name)
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# define A_INIT(lhs, type, ndims, rhs) \
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{ \
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if((off_t)ndims >= 0) { \
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const long *lp = rhs; \
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type *tp = lhs; \
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type *const end = lhs + ndims; \
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while(tp < end) \
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{ \
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*tp++ = (type) *lp++; \
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} \
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} \
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} \
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\
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if ((off_t)ndims < 0) {nc_advise("nvdims",NC_EMAXDIMS,"ndims %d",ndims); return -1;}
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#endif
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typedef signed char schar;
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/*
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* Computes number of record variables in an open netCDF file, and an array of
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* the record variable ids, if the array parameter is non-null.
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*/
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static int
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numrecvars(int ncid, int* nrecvarsp, int *recvarids)
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{
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int status = NC_NOERR;
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int nvars = 0;
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int ndims = 0;
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int nrecvars = 0;
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int varid;
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int recdimid;
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int dimids[MAX_NC_DIMS];
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status = nc_inq_nvars(ncid, &nvars);
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if(status != NC_NOERR)
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return status;
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status = nc_inq_unlimdim(ncid, &recdimid);
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if(status != NC_NOERR)
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return status;
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if (recdimid == -1) {
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*nrecvarsp = 0;
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return NC_NOERR;
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}
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nrecvars = 0;
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for (varid = 0; varid < nvars; varid++) {
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status = nc_inq_varndims(ncid, varid, &ndims);
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if(status != NC_NOERR)
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return status;
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status = nc_inq_vardimid(ncid, varid, dimids);
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if(status != NC_NOERR)
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return status;
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if (ndims > 0 && dimids[0] == recdimid) {
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if (recvarids != NULL)
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recvarids[nrecvars] = varid;
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nrecvars++;
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}
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}
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*nrecvarsp = nrecvars;
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return NC_NOERR;
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}
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/*
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* Computes record size (in bytes) of the record variable with a specified
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* variable id. Returns size as 0 if not a record variable.
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*/
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static int
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ncrecsize(int ncid, int varid, size_t *recsizep)
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{
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int status = NC_NOERR;
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int recdimid;
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nc_type type;
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int ndims;
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int dimids[MAX_NC_DIMS];
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int id;
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int size;
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*recsizep = 0;
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status = nc_inq_unlimdim(ncid, &recdimid);
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if(status != NC_NOERR)
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return status;
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status = nc_inq_vartype(ncid, varid, &type);
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if(status != NC_NOERR)
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return status;
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status = nc_inq_varndims(ncid, varid, &ndims);
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if(status != NC_NOERR)
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return status;
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status = nc_inq_vardimid(ncid, varid, dimids);
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if(status != NC_NOERR)
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return status;
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if (ndims == 0 || dimids[0] != recdimid) {
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return NC_NOERR;
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}
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size = nctypelen(type);
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for (id = 1; id < ndims; id++) {
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size_t len;
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status = nc_inq_dimlen(ncid, dimids[id], &len);
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if(status != NC_NOERR)
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return status;
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size *= (int)len;
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}
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*recsizep = (size_t)size;
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return NC_NOERR;
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}
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/*
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* Retrieves the dimension sizes of a variable with a specified variable id in
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* an open netCDF file. Returns -1 on error.
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*/
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static int
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dimsizes(int ncid, int varid, size_t *sizes)
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{
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int status = NC_NOERR;
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int ndims;
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int id;
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int dimids[MAX_NC_DIMS];
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status = nc_inq_varndims(ncid, varid, &ndims);
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if(status != NC_NOERR)
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return status;
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status = nc_inq_vardimid(ncid, varid, dimids);
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if(status != NC_NOERR)
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return status;
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if (ndims == 0 || sizes == NULL)
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return NC_NOERR;
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for (id = 0; id < ndims; id++) {
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size_t len;
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status = nc_inq_dimlen(ncid, dimids[id], &len);
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if(status != NC_NOERR)
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return status;
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sizes[id] = len;
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}
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return NC_NOERR;
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}
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/*
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* Retrieves the number of record variables, the record variable ids, and the
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* record size of each record variable. If any pointer to info to be returned
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* is null, the associated information is not returned. Returns -1 on error.
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*/
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int
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nc_inq_rec(
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int ncid,
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size_t *nrecvarsp,
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int *recvarids,
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size_t *recsizes)
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{
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int status = NC_NOERR;
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int nvars = 0;
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int recdimid;
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int varid;
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int rvarids[MAX_NC_VARS];
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int nrvars = 0;
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status = nc_inq_nvars(ncid, &nvars);
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if(status != NC_NOERR)
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return status;
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status = nc_inq_unlimdim(ncid, &recdimid);
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if(status != NC_NOERR)
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return status;
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if (recdimid == -1)
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return NC_NOERR;
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status = numrecvars(ncid, &nrvars, rvarids);
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if(status != NC_NOERR)
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return status;
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if (nrecvarsp != NULL)
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*nrecvarsp = (size_t)nrvars;
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if (recvarids != NULL)
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for (varid = 0; varid < nrvars; varid++)
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recvarids[varid] = rvarids[varid];
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if (recsizes != NULL)
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for (varid = 0; varid < nrvars; varid++) {
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size_t rsize;
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status = ncrecsize(ncid, rvarids[varid], &rsize);
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if (status != NC_NOERR)
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return status;
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recsizes[varid] = rsize;
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}
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return NC_NOERR;
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}
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/*
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* Write one record's worth of data, except don't write to variables for which
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* the address of the data to be written is NULL. Return -1 on error. This is
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* the same as the ncrecput() in the library, except that can handle errors
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* better.
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*/
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int
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nc_put_rec(
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int ncid,
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size_t recnum,
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void* const* datap)
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{
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int status = NC_NOERR;
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int varid;
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int rvarids[MAX_NC_VARS];
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int nrvars;
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size_t start[MAX_NC_DIMS];
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size_t edges[MAX_NC_DIMS];
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status = numrecvars(ncid, &nrvars, rvarids);
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if(status != NC_NOERR)
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return status;
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if (nrvars == 0)
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return NC_NOERR;
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start[0] = recnum;
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for (varid = 1; varid < nrvars; varid++)
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start[varid] = 0;
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for (varid = 0; varid < nrvars; varid++) {
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if (datap[varid] != NULL) {
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status = dimsizes(ncid, rvarids[varid], edges);
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if(status != NC_NOERR)
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return status;
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edges[0] = 1; /* only 1 record's worth */
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status = nc_put_vara(ncid, rvarids[varid], start, edges, datap[varid]);
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if(status != NC_NOERR)
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return status;
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}
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}
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return 0;
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}
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/*
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* Read one record's worth of data, except don't read from variables for which
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* the address of the data to be read is null. Return -1 on error. This is
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* the same as the ncrecget() in the library, except that can handle errors
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* better.
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*/
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int
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nc_get_rec(
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int ncid,
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size_t recnum,
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void **datap)
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{
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int status = NC_NOERR;
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int varid;
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int rvarids[MAX_NC_VARS];
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int nrvars;
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size_t start[MAX_NC_DIMS];
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size_t edges[MAX_NC_DIMS];
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status = numrecvars(ncid, &nrvars, rvarids);
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if(status != NC_NOERR)
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return status;
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if (nrvars == 0)
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return NC_NOERR;
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start[0] = recnum;
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for (varid = 1; varid < nrvars; varid++)
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start[varid] = 0;
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for (varid = 0; varid < nrvars; varid++) {
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if (datap[varid] != NULL) {
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status = dimsizes(ncid, rvarids[varid], edges);
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if(status != NC_NOERR)
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return status;
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edges[0] = 1; /* only 1 record's worth */
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status = nc_get_vara(ncid, rvarids[varid], start, edges, datap[varid]);
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if(status != NC_NOERR)
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return status;
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}
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}
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return 0;
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}
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/*
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*/
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void
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nc_advise(const char *routine_name, int err, const char *fmt,...)
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{
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va_list args;
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if(NC_ISSYSERR(err))
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ncerr = NC_SYSERR;
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else
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ncerr = err;
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if( ncopts & NC_VERBOSE )
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{
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(void) fprintf(stderr,"%s: ", routine_name);
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va_start(args ,fmt);
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(void) vfprintf(stderr,fmt,args);
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va_end(args);
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if(err != NC_NOERR)
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{
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(void) fprintf(stderr,": %s",
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nc_strerror(err));
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}
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(void) fputc('\n',stderr);
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(void) fflush(stderr); /* to ensure log files are current */
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}
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if( (ncopts & NC_FATAL) && err != NC_NOERR )
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{
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exit(ncopts);
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}
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}
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/* End error handling */
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int
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nccreate(const char* path, int cmode)
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{
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int ncid;
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const int status = nc_create(path, cmode, &ncid);
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if(status != NC_NOERR)
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{
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nc_advise("nccreate", status, "filename \"%s\"", path);
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return -1;
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}
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return ncid;
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}
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int
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ncopen(const char *path, int mode)
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{
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int ncid;
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const int status = nc_open(path, mode, &ncid);
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if(status != NC_NOERR)
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{
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nc_advise("ncopen", status, "filename \"%s\"", path);
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return -1;
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}
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return ncid;
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}
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int
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ncredef(int ncid)
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{
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const int status = nc_redef(ncid);
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if(status != NC_NOERR)
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{
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nc_advise("ncredef", status, "ncid %d", ncid);
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return -1;
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}
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return 0;
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}
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int
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ncendef(int ncid)
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{
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const int status = nc_enddef(ncid);
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if(status != NC_NOERR)
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{
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nc_advise("ncendef", status, "ncid %d", ncid);
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return -1;
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}
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return 0;
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}
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int
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ncclose(int ncid)
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{
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const int status = nc_close(ncid);
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if(status != NC_NOERR)
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{
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nc_advise("ncclose", status, "ncid %d", ncid);
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return -1;
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}
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return 0;
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}
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int
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ncinquire(
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int ncid,
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int* ndims,
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int* nvars,
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int* natts,
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int* recdim
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)
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{
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int nd, nv, na;
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const int status = nc_inq(ncid, &nd, &nv, &na, recdim);
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if(status != NC_NOERR)
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{
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nc_advise("ncinquire", status, "ncid %d", ncid);
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return -1;
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}
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/* else */
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if(ndims != NULL)
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*ndims = (int) nd;
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if(nvars != NULL)
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*nvars = (int) nv;
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if(natts != NULL)
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*natts = (int) na;
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return ncid;
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}
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int
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ncsync(int ncid)
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{
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const int status = nc_sync(ncid);
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if(status != NC_NOERR)
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{
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nc_advise("ncsync", status, "ncid %d", ncid);
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return -1;
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}
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return 0;
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}
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int
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ncabort(int ncid)
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{
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const int status = nc_abort(ncid);
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if(status != NC_NOERR)
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{
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nc_advise("ncabort", status, "ncid %d", ncid);
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return -1;
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}
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return 0;
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}
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int
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ncdimdef(
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int ncid,
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const char* name,
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long length
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)
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{
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int dimid;
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int status = NC_NOERR;
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if(length < 0) {
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status = NC_EDIMSIZE;
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nc_advise("ncdimdef", status, "ncid %d", ncid);
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return -1;
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}
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status = nc_def_dim(ncid, name, (size_t)length, &dimid);
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if(status != NC_NOERR)
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{
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nc_advise("ncdimdef", status, "ncid %d", ncid);
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return -1;
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}
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return dimid;
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}
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int
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ncdimid(int ncid, const char* name)
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{
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int dimid;
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const int status = nc_inq_dimid(ncid, name, &dimid);
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if(status != NC_NOERR)
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{
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nc_advise("ncdimid", status, "ncid %d", ncid);
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return -1;
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}
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return dimid;
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}
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int
|
|
ncdiminq(
|
|
int ncid,
|
|
int dimid,
|
|
char* name,
|
|
long* length
|
|
)
|
|
{
|
|
size_t ll;
|
|
const int status = nc_inq_dim(ncid, dimid, name, &ll);
|
|
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncdiminq", status, "ncid %d", ncid);
|
|
return -1;
|
|
}
|
|
/* else */
|
|
|
|
if(length != NULL)
|
|
*length = (int) ll;
|
|
|
|
return dimid;
|
|
}
|
|
|
|
|
|
int
|
|
ncdimrename(
|
|
int ncid,
|
|
int dimid,
|
|
const char* name
|
|
)
|
|
{
|
|
const int status = nc_rename_dim(ncid, dimid, name);
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncdimrename", status, "ncid %d", ncid);
|
|
return -1;
|
|
}
|
|
return dimid;
|
|
}
|
|
|
|
|
|
int
|
|
ncvardef(
|
|
int ncid,
|
|
const char* name,
|
|
nc_type datatype,
|
|
int ndims,
|
|
const int* dim
|
|
)
|
|
{
|
|
int varid = -1;
|
|
const int status = nc_def_var(ncid, name, datatype, ndims, dim, &varid);
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncvardef", status, "ncid %d", ncid);
|
|
return -1;
|
|
}
|
|
return varid;
|
|
}
|
|
|
|
|
|
int
|
|
ncvarid(
|
|
int ncid,
|
|
const char* name
|
|
)
|
|
{
|
|
int varid = -1;
|
|
const int status = nc_inq_varid(ncid, name, &varid);
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncvarid", status, "ncid %d", ncid);
|
|
return -1;
|
|
}
|
|
return varid;
|
|
}
|
|
|
|
|
|
int
|
|
ncvarinq(
|
|
int ncid,
|
|
int varid,
|
|
char* name,
|
|
nc_type* datatype,
|
|
int* ndims,
|
|
int* dim,
|
|
int* natts
|
|
)
|
|
{
|
|
int nd, na;
|
|
const int status = nc_inq_var(ncid, varid, name, datatype,
|
|
&nd, dim, &na);
|
|
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncvarinq", status, "ncid %d", ncid);
|
|
return -1;
|
|
}
|
|
/* else */
|
|
|
|
if(ndims != NULL)
|
|
*ndims = (int) nd;
|
|
|
|
if(natts != NULL)
|
|
*natts = (int) na;
|
|
|
|
return varid;
|
|
}
|
|
|
|
|
|
int
|
|
ncvarput1(
|
|
int ncid,
|
|
int varid,
|
|
const long* index,
|
|
const void* value
|
|
)
|
|
{
|
|
NDIMS_DECL
|
|
A_DECL(coordp, size_t, (size_t)ndims, index);
|
|
A_INIT(coordp, size_t, (size_t)ndims, index);
|
|
{
|
|
const int status = nc_put_var1(ncid, varid, coordp, value);
|
|
A_FREE(coordp);
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncvarput1", status, "ncid %d", ncid);
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
ncvarget1(
|
|
int ncid,
|
|
int varid,
|
|
const long* index,
|
|
void* value
|
|
)
|
|
{
|
|
NDIMS_DECL
|
|
A_DECL(coordp, size_t, ndims, index);
|
|
A_INIT(coordp, size_t, ndims, index);
|
|
{
|
|
const int status = nc_get_var1(ncid, varid, coordp, value);
|
|
A_FREE(coordp);
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncdimid", status, "ncid %d", ncid);
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
ncvarput(
|
|
int ncid,
|
|
int varid,
|
|
const long* start,
|
|
const long* count,
|
|
const void* value
|
|
)
|
|
{
|
|
NDIMS_DECL
|
|
A_DECL(stp, size_t, ndims, start);
|
|
A_DECL(cntp, size_t, ndims, count);
|
|
A_INIT(stp, size_t, ndims, start);
|
|
A_INIT(cntp, size_t, ndims, count);
|
|
{
|
|
const int status = nc_put_vara(ncid, varid, stp, cntp, value);
|
|
A_FREE(cntp);
|
|
A_FREE(stp);
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncvarput", status, "ncid %d", ncid);
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
ncvarget(
|
|
int ncid,
|
|
int varid,
|
|
const long* start,
|
|
const long* count,
|
|
void* value
|
|
)
|
|
{
|
|
NDIMS_DECL
|
|
A_DECL(stp, size_t, ndims, start);
|
|
A_DECL(cntp, size_t, ndims, count);
|
|
A_INIT(stp, size_t, ndims, start);
|
|
A_INIT(cntp, size_t, ndims, count);
|
|
{
|
|
const int status = nc_get_vara(ncid, varid, stp, cntp, value);
|
|
A_FREE(cntp);
|
|
A_FREE(stp);
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncvarget", status, "ncid %d; varid %d", ncid, varid);
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
ncvarputs(
|
|
int ncid,
|
|
int varid,
|
|
const long* start,
|
|
const long* count,
|
|
const long* stride,
|
|
const void* value
|
|
)
|
|
{
|
|
if(stride == NULL)
|
|
return ncvarput(ncid, varid, start, count, value);
|
|
/* else */
|
|
{
|
|
|
|
NDIMS_DECL
|
|
A_DECL(stp, size_t, ndims, start);
|
|
A_DECL(cntp, size_t, ndims, count);
|
|
A_DECL(strdp, ptrdiff_t, ndims, stride);
|
|
A_INIT(stp, size_t, ndims, start);
|
|
A_INIT(cntp, size_t, ndims, count);
|
|
A_INIT(strdp, ptrdiff_t, ndims, stride);
|
|
{
|
|
const int status = nc_put_vars(ncid, varid, stp, cntp, strdp, value);
|
|
A_FREE(strdp);
|
|
A_FREE(cntp);
|
|
A_FREE(stp);
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncvarputs", status, "ncid %d", ncid);
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
int
|
|
ncvargets(
|
|
int ncid,
|
|
int varid,
|
|
const long* start,
|
|
const long* count,
|
|
const long* stride,
|
|
void* value
|
|
)
|
|
{
|
|
if(stride == NULL)
|
|
return ncvarget(ncid, varid, start, count, value);
|
|
/* else */
|
|
{
|
|
NDIMS_DECL
|
|
A_DECL(stp, size_t, ndims, start);
|
|
A_DECL(cntp, size_t, ndims, count);
|
|
A_DECL(strdp, ptrdiff_t, ndims, stride);
|
|
A_INIT(stp, size_t, ndims, start);
|
|
A_INIT(cntp, size_t, ndims, count);
|
|
A_INIT(strdp, ptrdiff_t, ndims, stride);
|
|
{
|
|
const int status = nc_get_vars(ncid, varid, stp, cntp, strdp, value);
|
|
A_FREE(strdp);
|
|
A_FREE(cntp);
|
|
A_FREE(stp);
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncvargets", status, "ncid %d", ncid);
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
int
|
|
ncvarputg(
|
|
int ncid,
|
|
int varid,
|
|
const long* start,
|
|
const long* count,
|
|
const long* stride,
|
|
const long* map,
|
|
const void* value
|
|
)
|
|
{
|
|
if(map == NULL)
|
|
return ncvarputs(ncid, varid, start, count, stride, value);
|
|
/* else */
|
|
{
|
|
NDIMS_DECL
|
|
A_DECL(stp, size_t, ndims, start);
|
|
A_DECL(cntp, size_t, ndims, count);
|
|
A_DECL(strdp, ptrdiff_t, ndims, stride);
|
|
A_DECL(imp, ptrdiff_t, ndims, map);
|
|
A_INIT(stp, size_t, ndims, start);
|
|
A_INIT(cntp, size_t, ndims, count);
|
|
A_INIT(strdp, ptrdiff_t, ndims, stride);
|
|
A_INIT(imp, ptrdiff_t, ndims, map);
|
|
{
|
|
const int status = nc_put_varm(ncid, varid,
|
|
stp, cntp, strdp, imp, value);
|
|
A_FREE(imp);
|
|
A_FREE(strdp);
|
|
A_FREE(cntp);
|
|
A_FREE(stp);
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncvarputg", status, "ncid %d", ncid);
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
int
|
|
ncvargetg(
|
|
int ncid,
|
|
int varid,
|
|
const long* start,
|
|
const long* count,
|
|
const long* stride,
|
|
const long* map,
|
|
void* value
|
|
)
|
|
{
|
|
if(map == NULL)
|
|
return ncvargets(ncid, varid, start, count, stride, value);
|
|
/* else */
|
|
{
|
|
NDIMS_DECL
|
|
A_DECL(stp, size_t, ndims, start);
|
|
A_DECL(cntp, size_t, ndims, count);
|
|
A_DECL(strdp, ptrdiff_t, ndims, stride);
|
|
A_DECL(imp, ptrdiff_t, ndims, map);
|
|
A_INIT(stp, size_t, ndims, start);
|
|
A_INIT(cntp, size_t, ndims, count);
|
|
A_INIT(strdp, ptrdiff_t, ndims, stride);
|
|
A_INIT(imp, ptrdiff_t, ndims, map);
|
|
{
|
|
const int status = nc_get_varm(ncid, varid,
|
|
stp, cntp, strdp, imp, value);
|
|
A_FREE(imp);
|
|
A_FREE(strdp);
|
|
A_FREE(cntp);
|
|
A_FREE(stp);
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncvargetg", status, "ncid %d", ncid);
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
|
|
int
|
|
ncvarrename(
|
|
int ncid,
|
|
int varid,
|
|
const char* name
|
|
)
|
|
{
|
|
const int status = nc_rename_var(ncid, varid, name);
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncvarrename", status, "ncid %d", ncid);
|
|
return -1;
|
|
}
|
|
return varid;
|
|
}
|
|
|
|
|
|
int
|
|
ncattput(
|
|
int ncid,
|
|
int varid,
|
|
const char* name,
|
|
nc_type datatype,
|
|
int len,
|
|
const void* value
|
|
)
|
|
{
|
|
const int status = nc_put_att(ncid, varid, name, datatype, len, value);
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncattput", status, "ncid %d", ncid);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
ncattinq(
|
|
int ncid,
|
|
int varid,
|
|
const char* name,
|
|
nc_type* datatype,
|
|
int* len
|
|
)
|
|
{
|
|
size_t ll;
|
|
const int status = nc_inq_att(ncid, varid, name, datatype, &ll);
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncattinq", status,
|
|
"ncid %d; varid %d; attname \"%s\"",
|
|
ncid, varid, name);
|
|
return -1;
|
|
}
|
|
|
|
if(len != NULL)
|
|
*len = (int) ll;
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
int
|
|
ncattget(
|
|
int ncid,
|
|
int varid,
|
|
const char* name,
|
|
void* value
|
|
)
|
|
{
|
|
const int status = nc_get_att(ncid, varid, name, value);
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncattget", status, "ncid %d", ncid);
|
|
return -1;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
|
|
int
|
|
ncattcopy(
|
|
int ncid_in,
|
|
int varid_in,
|
|
const char* name,
|
|
int ncid_out,
|
|
int varid_out
|
|
)
|
|
{
|
|
const int status = nc_copy_att(ncid_in, varid_in, name, ncid_out, varid_out);
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncattcopy", status, "%s", name);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
ncattname(
|
|
int ncid,
|
|
int varid,
|
|
int attnum,
|
|
char* name
|
|
)
|
|
{
|
|
const int status = nc_inq_attname(ncid, varid, attnum, name);
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncattname", status, "ncid %d", ncid);
|
|
return -1;
|
|
}
|
|
return attnum;
|
|
}
|
|
|
|
|
|
int
|
|
ncattrename(
|
|
int ncid,
|
|
int varid,
|
|
const char* name,
|
|
const char* newname
|
|
)
|
|
{
|
|
const int status = nc_rename_att(ncid, varid, name, newname);
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncattrename", status, "ncid %d", ncid);
|
|
return -1;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
|
|
int
|
|
ncattdel(
|
|
int ncid,
|
|
int varid,
|
|
const char* name
|
|
)
|
|
{
|
|
const int status = nc_del_att(ncid, varid, name);
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncattdel", status, "ncid %d", ncid);
|
|
return -1;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
#endif /* NO_NETCDF_2 */
|
|
|
|
#ifndef NO_NETCDF_2
|
|
|
|
int
|
|
ncsetfill(
|
|
int ncid,
|
|
int fillmode
|
|
)
|
|
{
|
|
int oldmode = -1;
|
|
const int status = nc_set_fill(ncid, fillmode, &oldmode);
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncsetfill", status, "ncid %d", ncid);
|
|
return -1;
|
|
}
|
|
return oldmode;
|
|
}
|
|
|
|
|
|
int
|
|
ncrecinq(
|
|
int ncid,
|
|
int* nrecvars,
|
|
int* recvarids,
|
|
long* recsizes
|
|
)
|
|
{
|
|
size_t nrv = 0;
|
|
size_t *rs = NULL;
|
|
int status = NC_NOERR;
|
|
|
|
rs = (size_t*)malloc(sizeof(size_t)*NC_MAX_VARS);
|
|
if(rs == NULL)
|
|
return NC_ENOMEM;
|
|
|
|
status = nc_inq_rec(ncid, &nrv, recvarids, rs);
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncrecinq", status, "ncid %d", ncid);
|
|
if(rs != NULL) free(rs);
|
|
return -1;
|
|
}
|
|
|
|
if(nrecvars != NULL)
|
|
*nrecvars = (int) nrv;
|
|
|
|
if(recsizes != NULL)
|
|
{
|
|
size_t ii;
|
|
for(ii = 0; ii < nrv; ii++)
|
|
{
|
|
recsizes[ii] = (long) rs[ii];
|
|
}
|
|
}
|
|
|
|
if(rs != NULL) free(rs);
|
|
|
|
return (int) nrv;
|
|
}
|
|
|
|
|
|
int
|
|
ncrecget(
|
|
int ncid,
|
|
long recnum,
|
|
void** datap
|
|
)
|
|
{
|
|
const int status = nc_get_rec(ncid, (size_t)recnum, datap);
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncrecget", status, "ncid %d", ncid);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
ncrecput(
|
|
int ncid,
|
|
long recnum,
|
|
void* const* datap
|
|
)
|
|
{
|
|
const int status = nc_put_rec(ncid, (size_t)recnum, datap);
|
|
if(status != NC_NOERR)
|
|
{
|
|
nc_advise("ncrecput", status, "ncid %d", ncid);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#endif /* NO_NETCDF_2 */
|