return ret;
}
-struct xdiff_emit_hunk_state {
- xdiff_emit_hunk_consume_fn consume;
- void *consume_callback_data;
-};
-
-static int process_diff(xdfenv_t *xe, xdchange_t *xscr, xdemitcb_t *ecb,
- xdemitconf_t const *xecfg)
-{
- long s1, s2, same, p_next, t_next;
- xdchange_t *xch, *xche;
- struct xdiff_emit_hunk_state *state = ecb->priv;
- xdiff_emit_hunk_consume_fn fn = state->consume;
- void *consume_callback_data = state->consume_callback_data;
-
- for (xch = xscr; xch; xch = xche->next) {
- xche = xdl_get_hunk(xch, xecfg);
-
- s1 = XDL_MAX(xch->i1 - xecfg->ctxlen, 0);
- s2 = XDL_MAX(xch->i2 - xecfg->ctxlen, 0);
- same = s2 + XDL_MAX(xch->i1 - s1, 0);
- p_next = xche->i1 + xche->chg1;
- t_next = xche->i2 + xche->chg2;
-
- fn(consume_callback_data, same, p_next, t_next);
- }
- return 0;
-}
-
-int xdi_diff_hunks(mmfile_t *mf1, mmfile_t *mf2,
- xdiff_emit_hunk_consume_fn fn, void *consume_callback_data,
- xpparam_t const *xpp, xdemitconf_t *xecfg)
-{
- struct xdiff_emit_hunk_state state;
- xdemitcb_t ecb;
-
- memset(&state, 0, sizeof(state));
- memset(&ecb, 0, sizeof(ecb));
- state.consume = fn;
- state.consume_callback_data = consume_callback_data;
- xecfg->emit_func = (void (*)())process_diff;
- ecb.priv = &state;
- return xdi_diff(mf1, mf2, xpp, xecfg, &ecb);
-}
-
int read_mmfile(mmfile_t *ptr, const char *filename)
{
struct stat st;