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/*********************************************************************
* Copyright 2018, UCAR/Unidata
* See netcdf/COPYRIGHT file for copying and redistribution conditions.
* $Header: /upc/share/CVS/netcdf-3/nctest/add.c,v 1.18 2008/06/10 19:38:03 russ Exp $
*********************************************************************/
/*
* utility functions to update in-memory netcdf by adding new
* dimensions, variables, and attributes.
*/
#include <config.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h> /* for free() */
#include "netcdf.h"
#include "testcdf.h"
#include "add.h"
#include "emalloc.h"
struct netcdf test; /*
* in-memory netcdf structure, kept in sync
* with disk netcdf
*/
void
add_dim (struct netcdf *test, struct cdfdim *idim) /* add the dimension idim to the netcdf test */
{
static char pname[] = "add_dim";
if (test->ndims >= MAX_NC_DIMS) {
(void)fprintf(stderr,
"%s: too many dimensions (%d)", pname, test->ndims);
return;
}
test->dims[test->ndims].size = idim->size;
test->dims[test->ndims].name = (char *) emalloc(strlen(idim->name) + 1);
(void) strcpy(test->dims[test->ndims].name, idim->name);
if (idim->size == NC_UNLIMITED)
test->xdimid = test->ndims;
test->ndims++;
}
void
add_var (struct netcdf *test, struct cdfvar *ivar) /* add the variable ivar to the netcdf test */
{
static char pname[] = "add_var";
int i;
if (test->nvars >= MAX_NC_VARS) {
(void)fprintf(stderr,
"%s: too many variables (%d)", pname, test->nvars);
return;
}
test->vars[test->nvars].name = (char *) emalloc(strlen(ivar->name) + 1);
(void) strcpy(test->vars[test->nvars].name, ivar->name);
test->vars[test->nvars].type = ivar->type;
test->vars[test->nvars].ndims = ivar->ndims;
test->vars[test->nvars].dims = (int *) emalloc(sizeof(int)*(size_t)ivar->ndims);
for (i = 0; i < ivar->ndims; i++)
test->vars[test->nvars].dims[i] = ivar->dims[i];
test->vars[test->nvars].natts = 0;
test->nvars++;
}
void
add_att (struct netcdf *test, int varid, struct cdfatt *iatt) /* add attribute iatt to the netcdf test */
{
static char pname[] = "add_att";
int ia; /* attribute number */
if (test->natts >= MAX_TEST_ATTS) {
(void)fprintf(stderr,
"%s: too many attributes (%d)", pname, test->natts);
return;
}
/* if already defined, change existing attribute and return */
for (ia = 0; ia < test->natts ; ia++) {
if (test->atts[ia].var == varid &&
strcmp(test->atts[ia].name, iatt->name) == 0) {
test->atts[ia].type = iatt->type;
test->atts[ia].len = iatt->len;
test->atts[ia].val = iatt->val;
return;
}
}
/* otherwise, add new attribute to list */
test->atts[test->natts].var = varid;
test->atts[test->natts].name = (char *) emalloc(strlen(iatt->name) + 1);
(void) strcpy(test->atts[test->natts].name, iatt->name);
test->atts[test->natts].type = iatt->type;
test->atts[test->natts].len = iatt->len;
test->atts[test->natts].val = iatt->val;
test->natts++;
if (varid == NC_GLOBAL)
test->ngatts++;
else
test->vars[varid].natts++;
}
void
add_reset(struct netcdf *test) /* reset in-memory netcdf test to empty */
{
test->ndims = 0;
test->nvars = 0;
test->natts = 0;
test->ngatts = 0;
test->xdimid = -1; /* no unlimited dimension */
}
void
del_att (struct netcdf *test, int varid, struct cdfatt *iatt) /* delete attribute iatt in the netcdf test */
{
static char pname[] = "del_att";
int ia, ib; /* attribute number */
for (ia = 0; ia < test->natts ; ia++) { /* find attribute to delete */
if (test->atts[ia].var == varid &&
strcmp(test->atts[ia].name, iatt->name) == 0) {
free(test->atts[ia].name);
for (ib = ia+1; ib < test->natts; ib++) { /* move down */
test->atts[ib-1].var = test->atts[ib].var;
test->atts[ib-1].name = test->atts[ib].name;
test->atts[ib-1].type = test->atts[ib].type;
test->atts[ib-1].len = test->atts[ib].len;
test->atts[ib-1].val = test->atts[ib].val;
}
test->natts--;
if (varid == NC_GLOBAL)
test->ngatts--;
else
test->vars[varid].natts--;
return;
}
}
/* not found */
(void) fprintf(stderr, "%s: no such attribute as (%s, %s)", pname,
test->vars[varid].name, iatt->name);
}
void
add_data(struct netcdf *test, int varid, long start[], long edges[]) /* keep max record written updated */
{
if (varid != test->xdimid) /* not a record variable */
return;
if (start[0] + edges[0] > test->dims[test->xdimid].size)
test->dims[test->xdimid].size = start[0] + edges[0];
}
void
errvar(struct netcdf *cdfp, struct cdfvar *varp)
{
const char *types;
int id;
switch (varp->type) {
case NC_BYTE:
types = "NC_BYTE";
break;
case NC_CHAR:
types = "NC_CHAR";
break;
case NC_SHORT:
types = "NC_SHORT";
break;
case NC_LONG:
types = "NC_LONG";
break;
case NC_FLOAT:
types = "NC_FLOAT";
break;
case NC_DOUBLE:
types = "NC_DOUBLE ";
break;
default:
types = "UNKNOWN";
break;
}
(void) fprintf(stderr," name=%s type=%s dims=(",
varp->name, types);
for (id = 0; id < varp->ndims; id++)
(void) fprintf(stderr, "%ld%s",
(long)cdfp->dims[varp->dims[id]].size,
id < varp->ndims - 1 ? ", " : "");
(void) fprintf(stderr, ")\n");
}
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