mirror of
https://github.com/Unidata/netcdf-c.git
synced 2024-11-27 07:30:33 +08:00
68 lines
2.2 KiB
C
68 lines
2.2 KiB
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 <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <netcdf.h>
|
|
|
|
/* When using NetCDF 4.4.1 ad prior to create a CDF-5 file and defining a small
|
|
* variable after a big variable (> 2^32-3 bytes), the file starting offset of
|
|
* the small variable (and all variables defined after the big variable) is
|
|
* calculated incorrectly. This test program detects this bug by checking the
|
|
* contents of the possible overlaps between the two variables.
|
|
*/
|
|
|
|
#define ERR {if(err!=NC_NOERR){printf("Error at line %d in %s: %s\n", __LINE__,__FILE__, nc_strerror(err));nerrs++;}}
|
|
|
|
#define FILE_NAME "tst_cdf5_begin.nc"
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
int i, err, nerrs=0, ncid, dimid[2], varid[2];
|
|
short buf[10];
|
|
size_t start, count;
|
|
|
|
err = nc_create(FILE_NAME, NC_CLOBBER|NC_64BIT_DATA, &ncid); ERR;
|
|
err = nc_def_dim(ncid, "dim0", NC_MAX_UINT, &dimid[0]); ERR
|
|
err = nc_def_dim(ncid, "dim1", 10, &dimid[1]); ERR
|
|
|
|
/* define one small variable after one big variable */
|
|
err = nc_def_var(ncid, "var_big", NC_SHORT, 1, &dimid[0], &varid[0]); ERR
|
|
err = nc_def_var(ncid, "var_small", NC_SHORT, 1, &dimid[1], &varid[1]); ERR
|
|
err = nc_set_fill(ncid, NC_NOFILL, NULL); ERR
|
|
err = nc_enddef(ncid); ERR
|
|
|
|
/* write to var_big in location overlapping with var_small when using
|
|
* netCDF 4.4.x or prior */
|
|
start = NC_MAX_UINT/sizeof(short);
|
|
count = 10;
|
|
for (i=0; i<10; i++) buf[i] = i;
|
|
err = nc_put_vara_short(ncid, varid[0], &start, &count, buf); ERR
|
|
|
|
/* write var_small */
|
|
for (i=0; i<10; i++) buf[i] = -1;
|
|
err = nc_put_var_short(ncid, varid[1], buf); ERR
|
|
|
|
/* read back var_big and check contents */
|
|
for (i=0; i<10; i++) buf[i] = -1;
|
|
err = nc_get_vara_short(ncid, varid[0], &start, &count,buf); ERR
|
|
for (i=0; i<10; i++) {
|
|
if (buf[i] != i) {
|
|
printf("Error at buf[%d] expect %d but got %hd\n",i,i,buf[i]);
|
|
nerrs++;
|
|
}
|
|
}
|
|
err = nc_close(ncid); ERR
|
|
|
|
return (nerrs > 0);
|
|
}
|