/* This internal function adds a new user defined type to the metadata
* of a group of an open file. */
static int
add_user_type(int ncid, size_t size, const char *name, nc_type base_typeid,
nc_type type_class, nc_type *typeidp)
{
NC_HDF5_FILE_INFO_T *h5;
NC_GRP_INFO_T *grp;
char norm_name[NC_MAX_NAME + 1];
int retval;
/* Check and normalize the name. */
if ((retval = nc4_check_name(name, norm_name)))
return retval;
LOG((2, "add_user_type: ncid 0x%x size %d name %s base_typeid %d ",
ncid, size, norm_name, base_typeid));
/* Find group metadata. */
if ((retval = nc4_find_grp_h5(ncid, &grp, &h5)))
return retval;
/* Only netcdf-4 files! */
if (!h5)
return NC_ENOTNC4;
/* Turn on define mode if it is not on. */
if (!(h5->cmode & NC_INDEF))
if ((retval = nc_redef(ncid)))
return retval;
/* No size is provided for vlens or enums, get it from the base type. */
if (type_class == NC_VLEN || type_class == NC_ENUM)
{
if ((retval = nc4_get_typelen_mem(grp->file->nc4_info, base_typeid, 0,
&size)))
return retval;
}
else if (size <= 0)
return NC_EINVAL;
/* Check that this name is not in use as a var, grp, or type. */
if ((retval = nc4_check_dup_name(grp, norm_name)))
return retval;
/* Add to our list of types. */
if ((retval = nc4_type_list_add(&(grp->type), grp->file->nc4_info->next_typeid,
size, norm_name, type_class, base_typeid)))
return retval;
/* Return the typeid to the user. */
if (typeidp)
*typeidp = grp->file->nc4_info->next_typeid;
grp->file->nc4_info->next_typeid++;
return NC_NOERR;
}
/* Create a group. It's ncid is returned in the new_ncid pointer. */
int
NC4_def_grp(int parent_ncid, const char *name, int *new_ncid)
{
NC_GRP_INFO_T *grp, *g;
NC_HDF5_FILE_INFO_T *h5;
char norm_name[NC_MAX_NAME + 1];
int retval;
LOG((2, "%s: parent_ncid 0x%x name %s", __func__, parent_ncid, name));
/* Find info for this file and group, and set pointer to each. */
if ((retval = nc4_find_grp_h5(parent_ncid, &grp, &h5)))
return retval;
if (!h5)
return NC_ENOTNC4;
/* Check and normalize the name. */
if ((retval = nc4_check_name(name, norm_name)))
return retval;
/* Check that this name is not in use as a var, grp, or type. */
if ((retval = nc4_check_dup_name(grp, norm_name)))
return retval;
/* No groups in netcdf-3! */
if (h5->cmode & NC_CLASSIC_MODEL)
return NC_ESTRICTNC3;
/* If it's not in define mode, switch to define mode. */
if (!(h5->flags & NC_INDEF))
if ((retval = NC4_redef(parent_ncid)))
return retval;
/* Update internal lists to reflect new group. The actual HDF5
* group creation will be done when metadata is written by a
* sync. */
if ((retval = nc4_grp_list_add(&(grp->children), h5->next_nc_grpid,
grp, grp->nc4_info->controller, norm_name, &g)))
return retval;
if (new_ncid)
*new_ncid = grp->nc4_info->controller->ext_ncid | h5->next_nc_grpid;
h5->next_nc_grpid++;
return NC_NOERR;
}
/* Rename a group. */
int
NC4_rename_grp(int grpid, const char *name)
{
NC_GRP_INFO_T *grp, *g;
NC_HDF5_FILE_INFO_T *h5;
char norm_name[NC_MAX_NAME + 1];
int retval;
LOG((2, "nc_rename_grp: grpid 0x%x name %s", grpid, name));
/* Find info for this file and group, and set pointer to each. */
if ((retval = nc4_find_grp_h5(grpid, &grp, &h5)))
return retval;
if (!h5)
return NC_ENOTNC4;
if (h5->no_write)
return NC_EPERM; /* attempt to write to a read-only file */
/* Do not allow renaming the root group */
if(grp->parent == NULL)
return NC_EBADGRPID;
/* Check and normalize the name. */
if ((retval = nc4_check_name(name, norm_name)))
return retval;
/* Check that this name is not in use as a var, grp, or type. */
if ((retval = nc4_check_dup_name(grp, norm_name)))
return retval;
/* If it's not in define mode, switch to define mode. */
if (!(h5->flags & NC_INDEF))
if ((retval = NC4_redef(grpid)))
return retval;
/* Rename the group, if it exists in the file */
if (grp->hdf_grpid)
{
/* Close the group */
if (H5Gclose(grp->hdf_grpid) < 0)
return NC_EHDFERR;
grp->hdf_grpid = 0;
/* Attempt to rename & re-open the group, if the parent group is open */
if (grp->parent->hdf_grpid)
{
/* Rename the group */
if (H5Gmove(grp->parent->hdf_grpid, grp->name, name) < 0)
return NC_EHDFERR;
/* Reopen the group, with the new name */
if ((grp->hdf_grpid = H5Gopen2(grp->parent->hdf_grpid, name, H5P_DEFAULT)) < 0)
return NC_EHDFERR;
}
}
/* Give the group its new name in metadata. UTF8 normalization
* has been done. */
free(grp->name);
if (!(grp->name = malloc((strlen(norm_name) + 1) * sizeof(char))))
return NC_ENOMEM;
strcpy(grp->name, norm_name);
return NC_NOERR;
}
