Function pj_default_destructor

src/malloc.cpp:137–187

/

/*****************************************************************************/
PJ *pj_default_destructor(PJ *P, int errlev) { /* Destructor */
    /*****************************************************************************
        Does memory deallocation for "plain" PJ objects, i.e. that vast majority
        of PJs where the opaque object does not contain any additionally
        allocated memory below the P->opaque level.
    ******************************************************************************/

    /* Even if P==0, we set the errlev on pj_error and the default context   */
    /* Note that both, in the multithreaded case, may then contain undefined */
    /* values. This is expected behavior. For MT have one ctx per thread    */
    if (0 != errlev)
        proj_context_errno_set(pj_get_ctx(P), errlev);

    if (nullptr == P)
        return nullptr;

    free(P->def_size);
    free(P->def_shape);
    free(P->def_spherification);
    free(P->def_ellps);

    delete static_cast<ListOfHGrids *>(P->hgrids_legacy);
    delete static_cast<ListOfVGrids *>(P->vgrids_legacy);

    /* We used to call free( P->catalog ), but this will leak */
    /* memory. The safe way to clear catalog and grid is to call */
    /* pj_gc_unloadall(pj_get_default_ctx()); and freeate_grids(); */
    /* TODO: we should probably have a public pj_cleanup() method to do all */
    /* that */

    /* free the interface to Charles Karney's geodesic library */
    free(P->geod);

    /* free parameter list elements */
    free_params(pj_get_ctx(P), P->params, errlev);
    free(P->def_full);

    /* free the cs2cs emulation elements */
    proj_destroy(P->axisswap);
    proj_destroy(P->helmert);
    proj_destroy(P->cart);
    proj_destroy(P->cart_wgs84);
    proj_destroy(P->hgridshift);
    proj_destroy(P->vgridshift);

    proj_destroy(P->cached_op_for_proj_factors);

    free(static_cast<struct pj_opaque *>(P->opaque));
    delete P;
    return nullptr;
}

/*****************************************************************************/
void proj_cleanup() {