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/* This is part of the netCDF package.
Copyright 2006 University Corporation for Atmospheric Research/Unidata.
See COPYRIGHT file for conditions of use.
This is a very simple example which writes a netCDF file with
Unicode names encoded with UTF-8. It is the NETCDF3 equivalent
of tst_unicode.c
$Id: tst_atts.c 981 2011-03-15 10:19:08Z ed $
*/
#include <config.h>
#include <stdlib.h>
#include <nc_tests.h>
#include <netcdf.h>
#include <string.h>
/* The data file we will create. */
#define FILE_NAME "tst_atts.nc"
int
main(int argc, char **argv)
{
printf("\n*** Testing netCDF-4 attributes.\n");
printf("*** testing attribute renaming for a global attribute...");
{
#define OLD_NAME "Constantinople"
#define NEW_NAME "Istanbul"
#define CONTENTS "Lots of people!"
int ncid, attid;
char *data_in;
if (!(data_in = malloc(strlen(CONTENTS) + 1))) ERR;
/* Create a file with an att. */
if (nc_create(FILE_NAME, NC_NETCDF4|NC_CLOBBER, &ncid)) ERR;
if (nc_put_att_text(ncid, NC_GLOBAL, OLD_NAME, strlen(CONTENTS),
CONTENTS)) ERR;
/* Rename the att. */
if (nc_rename_att(ncid, NC_GLOBAL, OLD_NAME, NEW_NAME)) ERR;
/* Check the file. */
if (nc_inq_attid(ncid, NC_GLOBAL, NEW_NAME, &attid)) ERR;
if (attid != 0) ERR;
if (nc_get_att_text(ncid, NC_GLOBAL, NEW_NAME, data_in)) ERR;
if (strncmp(CONTENTS, data_in, strlen(CONTENTS))) ERR;
if (nc_close(ncid)) ERR;
/* Reopen the file and check again. */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
if (nc_inq_attid(ncid, NC_GLOBAL, NEW_NAME, &attid)) ERR;
if (attid != 0) ERR;
if (nc_get_att_text(ncid, NC_GLOBAL, NEW_NAME, data_in)) ERR;
if (strncmp(CONTENTS, data_in, strlen(CONTENTS))) ERR;
if (nc_close(ncid)) ERR;
free(data_in);
}
SUMMARIZE_ERR;
printf("*** testing attribute renaming for a variable attribute...");
{
#define VAR_NAME "var_name"
#define OLD_NAME1 "Constantinople"
#define NEW_NAME1 "Istanbul____________"
#define CONTENTS1 "Lots of people!"
int ncid, attid, varid;
char *data_in;
if (!(data_in = malloc(strlen(CONTENTS1) + 1))) ERR;
/* Create a file with an att. */
if (nc_create(FILE_NAME, NC_NETCDF4|NC_CLOBBER, &ncid)) ERR;
if (nc_def_var(ncid, VAR_NAME, NC_INT, 0, NULL, &varid)) ERR;
if (nc_put_att_text(ncid, varid, OLD_NAME1, strlen(CONTENTS1),
CONTENTS1)) ERR;
/* Rename the att. */
if (nc_rename_att(ncid, varid, OLD_NAME1, NEW_NAME1)) ERR;
/* Check the file. */
if (nc_inq_attid(ncid, varid, NEW_NAME1, &attid)) ERR;
if (attid != 0) ERR;
if (nc_get_att_text(ncid, varid, NEW_NAME1, data_in)) ERR;
if (strncmp(CONTENTS1, data_in, strlen(CONTENTS1))) ERR;
if (nc_close(ncid)) ERR;
/* Reopen the file and check again. */
if (nc_open(FILE_NAME, NC_NOWRITE, &ncid)) ERR;
if (nc_inq_attid(ncid, varid, NEW_NAME1, &attid)) ERR;
if (attid != 0) ERR;
if (nc_get_att_text(ncid, varid, NEW_NAME1, data_in)) ERR;
if (strncmp(CONTENTS1, data_in, strlen(CONTENTS1))) ERR;
if (nc_close(ncid)) ERR;
free(data_in);
}
SUMMARIZE_ERR;
FINAL_RESULTS;
}
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