netcdf-c/ncdump/tst_dimsizes.c

/*! \file

Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014,
2015, 2016, 2017, 2018
University Corporation for Atmospheric Research/Unidata.

See \ref copyright file for more info.

*/

#include "config.h"
#include <nc_tests.h>
#include "err_macros.h"
#include <stdio.h>
#include <stdlib.h>
#include <netcdf.h>

#define FILECLASSIC "tst_dimsize_classic.nc"
#define FILE64OFFSET "tst_dimsize_64offset.nc"
#define FILE64DATA "tst_dimsize_64data.nc"

#define DIMMAXCLASSIC (NC_MAX_INT - 3)
#define DIMMAX64OFFSET (NC_MAX_UINT - 3)

#ifdef ENABLE_CDF5
#define DIMMAX64DATA (NC_MAX_UINT64 - 3)
#endif

/*
Test that at least the meta-data works
for dimension sizes X modes.
NC_CLASSIC => NC_INT_MAX - 3
NC_64BIT_OFFSET => NC_UINT_MAX - 3
NC_64BIT_DATA => NC_UINT64_MAX - 3
Note that this will not test the last case when
|size_t| == 4.
Also, leave the files around so we can test with ncdump.
*/

int
main(int argc, char **argv)
{
    int ncid;
    size_t dimsize;
    int dimid;
    int stat = NC_NOERR;
    printf("\n*** Testing Max Dimension Sizes\n");

    printf("\n|size_t|=%lu\n",(unsigned long)sizeof(size_t));

    printf("\n*** Writing Max Dimension Size (%d) For NC_CLASSIC\n",DIMMAXCLASSIC);
    if ((stat=nc_create(FILECLASSIC, NC_CLOBBER, &ncid))) ERRSTAT(stat);
    dimsize = DIMMAXCLASSIC;
    if ((stat=nc_def_dim(ncid, "testdim", dimsize, &dimid))) ERRSTAT(stat);
    if ((stat=nc_close(ncid))) ERRSTAT(stat);

    printf("\n*** Reading Max Dimension Size For NC_CLASSIC\n");
    if ((stat=nc_open(FILECLASSIC, NC_NOCLOBBER, &ncid))) ERRSTAT(stat);
    if ((stat=nc_inq_dimid(ncid, "testdim", &dimid))) ERRSTAT(stat);
    if ((stat=nc_inq_dimlen(ncid, dimid, &dimsize))) ERRSTAT(stat);
    if(dimsize != DIMMAXCLASSIC) ERR;
    if ((stat=nc_close(ncid))) ERRSTAT(stat);

    printf("\n*** Writing Max Dimension Size (%u) For NC_64BIT_OFFSET\n",DIMMAX64OFFSET);
    if ((stat=nc_create(FILE64OFFSET, NC_CLOBBER | NC_64BIT_OFFSET, &ncid))) ERRSTAT(stat);
    dimsize = DIMMAX64OFFSET;
    if ((stat=nc_def_dim(ncid, "testdim", dimsize, &dimid))) ERRSTAT(stat);
    if ((stat=nc_enddef(ncid))) ERRSTAT(stat);
    if ((stat=nc_close(ncid))) ERRSTAT(stat);

    printf("\n*** Reading Max Dimension Size For NC_64BIT_OFFSET\n");
    if ((stat=nc_open(FILE64OFFSET, NC_NOCLOBBER|NC_64BIT_OFFSET, &ncid))) ERRSTAT(stat);
    if ((stat=nc_inq_dimid(ncid, "testdim", &dimid))) ERRSTAT(stat);
    if ((stat=nc_inq_dimlen(ncid, dimid, &dimsize))) ERRSTAT(stat);
    if(dimsize != DIMMAX64OFFSET) ERR;
    if ((stat=nc_close(ncid))) ERRSTAT(stat);

#ifdef ENABLE_CDF5
    if(sizeof(size_t) == 8) {
      printf("\n*** Writing Max Dimension Size (%llu) For NC_64BIT_DATA\n",DIMMAX64DATA);
        if ((stat=nc_create(FILE64DATA, NC_CLOBBER | NC_64BIT_DATA, &ncid))) ERRSTAT(stat);
        dimsize = (size_t)DIMMAX64DATA;
        if ((stat=nc_def_dim(ncid, "testdim", dimsize, &dimid))) ERRSTAT(stat);
        if ((stat=nc_close(ncid))) ERRSTAT(stat);

	printf("\n*** Reading Max Dimension Size For NC_64BIT_DATA\n");
	if ((stat=nc_open(FILE64DATA, NC_NOCLOBBER|NC_64BIT_DATA, &ncid))) ERRSTAT(stat);
	if ((stat=nc_inq_dimid(ncid, "testdim", &dimid))) ERRSTAT(stat);
	if ((stat=nc_inq_dimlen(ncid, dimid, &dimsize))) ERRSTAT(stat);
	if(dimsize != DIMMAX64DATA) ERR;
	if ((stat=nc_close(ncid))) ERRSTAT(stat);
    }
#endif /* ENABLE_CDF5 */

    SUMMARIZE_ERR;
    FINAL_RESULTS;
}