gdncvardelattr.f90

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! Copyright (C) GFD Dennou Club, 2000.  All rights reserved

subroutine gdncvardelattr(var, name, err)
    use gtdata_netcdf_types, only: gd_nc_variable, gd_nc_variable_entry
    use gtdata_netcdf_file_generic, only: gdncfiledefinemode
    use gtdata_netcdf_internal, only: vtable_lookup
    use netcdf, only: nf90_noerr, nf90_del_att, nf90_global, nf90_enotindefine
    use dc_url, only: gt_plus
    use dc_error
    implicit none
    type(gd_nc_variable), intent(in):: var
    character(len = *), intent(in):: name
    logical, intent(out), optional:: err
    type(gd_nc_variable_entry):: ent
    integer:: stat
continue
    stat = vtable_lookup(var, ent)
    if (stat /= nf90_noerr) goto 999
    stat = nf90_del_att(ent%fileid, ent%varid, name=name)
    if (stat == 0) goto 999
    if (stat /= nf90_enotindefine) goto 999
    stat = gdncfiledefinemode(ent%fileid)
    if (stat /= nf90_noerr) goto 999
    if (name(1:1) == gt_plus) then
        stat = nf90_del_att(ent%fileid, nf90_global, name=name(2:))
    else
        stat = nf90_del_att(ent%fileid, ent%varid, name=name)
    endif

999 continue
    call storeerror(stat, 'GDNcVarPutAttrChar', err)
end subroutine