gboolean decode_as_default_reset(const char *name, const gpointer pattern)
{
dissector_reset_uint(name, GPOINTER_TO_UINT(pattern));
return TRUE;
}
guint
pref_unstash(pref_t *pref, gpointer unstash_data_p)
{
pref_unstash_data_t *unstash_data = (pref_unstash_data_t *)unstash_data_p;
dissector_table_t sub_dissectors = NULL;
dissector_handle_t handle = NULL;
/* Revert the preference to its saved value. */
switch (pref->type) {
case PREF_DECODE_AS_UINT:
if (*pref->varp.uint != pref->stashed_val.uint) {
unstash_data->module->prefs_changed = TRUE;
if (unstash_data->handle_decode_as) {
if (*pref->varp.uint != pref->default_val.uint) {
dissector_reset_uint(pref->name, *pref->varp.uint);
}
}
*pref->varp.uint = pref->stashed_val.uint;
if (unstash_data->handle_decode_as) {
sub_dissectors = find_dissector_table(pref->name);
if (sub_dissectors != NULL) {
handle = dissector_table_get_dissector_handle(sub_dissectors, (gchar*)unstash_data->module->title);
if (handle != NULL) {
dissector_change_uint(pref->name, *pref->varp.uint, handle);
}
}
}
}
break;
case PREF_UINT:
if (*pref->varp.uint != pref->stashed_val.uint) {
unstash_data->module->prefs_changed = TRUE;
*pref->varp.uint = pref->stashed_val.uint;
}
break;
case PREF_BOOL:
if (*pref->varp.boolp != pref->stashed_val.boolval) {
unstash_data->module->prefs_changed = TRUE;
*pref->varp.boolp = pref->stashed_val.boolval;
}
break;
case PREF_ENUM:
if (*pref->varp.enump != pref->stashed_val.enumval) {
unstash_data->module->prefs_changed = TRUE;
*pref->varp.enump = pref->stashed_val.enumval;
}
break;
case PREF_STRING:
case PREF_FILENAME:
case PREF_DIRNAME:
if (strcmp(*pref->varp.string, pref->stashed_val.string) != 0) {
unstash_data->module->prefs_changed = TRUE;
g_free(*pref->varp.string);
*pref->varp.string = g_strdup(pref->stashed_val.string);
}
break;
case PREF_DECODE_AS_RANGE:
if (!ranges_are_equal(*pref->varp.range, pref->stashed_val.range)) {
guint32 i, j;
unstash_data->module->prefs_changed = TRUE;
if (unstash_data->handle_decode_as) {
sub_dissectors = find_dissector_table(pref->name);
if (sub_dissectors != NULL) {
handle = dissector_table_get_dissector_handle(sub_dissectors, (gchar*)unstash_data->module->title);
if (handle != NULL) {
/* Delete all of the old values from the dissector table */
for (i = 0; i < (*pref->varp.range)->nranges; i++) {
for (j = (*pref->varp.range)->ranges[i].low; j < (*pref->varp.range)->ranges[i].high; j++) {
dissector_delete_uint(pref->name, j, handle);
decode_build_reset_list(pref->name, dissector_table_get_type(sub_dissectors), GUINT_TO_POINTER(j), NULL, NULL);
}
dissector_delete_uint(pref->name, (*pref->varp.range)->ranges[i].high, handle);
decode_build_reset_list(pref->name, dissector_table_get_type(sub_dissectors), GUINT_TO_POINTER((*pref->varp.range)->ranges[i].high), NULL, NULL);
}
}
}
}
g_free(*pref->varp.range);
*pref->varp.range = range_copy(pref->stashed_val.range);
if (unstash_data->handle_decode_as) {
if ((sub_dissectors != NULL) && (handle != NULL)) {
/* Add new values to the dissector table */
for (i = 0; i < (*pref->varp.range)->nranges; i++) {
for (j = (*pref->varp.range)->ranges[i].low; j < (*pref->varp.range)->ranges[i].high; j++) {
dissector_change_uint(pref->name, j, handle);
decode_build_reset_list(pref->name, dissector_table_get_type(sub_dissectors), GUINT_TO_POINTER(j), NULL, NULL);
}
dissector_change_uint(pref->name, (*pref->varp.range)->ranges[i].high, handle);
decode_build_reset_list(pref->name, dissector_table_get_type(sub_dissectors), GUINT_TO_POINTER((*pref->varp.range)->ranges[i].high), NULL, NULL);
}
}
}
}
break;
case PREF_RANGE:
if (!ranges_are_equal(*pref->varp.range, pref->stashed_val.range)) {
unstash_data->module->prefs_changed = TRUE;
g_free(*pref->varp.range);
*pref->varp.range = range_copy(pref->stashed_val.range);
}
break;
case PREF_COLOR:
*pref->varp.colorp = pref->stashed_val.color;
break;
case PREF_STATIC_TEXT:
case PREF_UAT:
case PREF_CUSTOM:
break;
case PREF_OBSOLETE:
g_assert_not_reached();
break;
}
return 0;
}
