[project @ 2004-08-12 12:08:39 by bursa]

Fix various history functions to check for history->current.

svn path=/import/netsurf/; revision=1215
This commit is contained in:
James Bursa 2004-08-12 12:08:39 +00:00
parent 5b49cca1e9
commit 0a93f2d264

View File

@ -203,7 +203,7 @@ void history_add(struct history *history, struct content *content, char *frag_id
void history_update(struct history *history, struct content *content)
{
if (!history || !history->current->sprite_area)
if (!history || !history->current || !history->current->sprite_area)
return;
thumbnail_create(content, history->current->sprite_area,
@ -595,7 +595,7 @@ struct history_entry * ro_gui_history_click_find(struct history_entry *he,
void history_back(struct browser_window *bw, struct history *history)
{
if (!history || !history->current->back)
if (!history || !history->current || !history->current->back)
return;
history->current = history->current->back;
history_go(bw, history->current);
@ -611,7 +611,7 @@ void history_back(struct browser_window *bw, struct history *history)
void history_forward(struct browser_window *bw, struct history *history)
{
if (!history || !history->current->forward_pref)
if (!history || !history->current || !history->current->forward_pref)
return;
history->current = history->current->forward_pref;
history_go(bw, history->current);
@ -626,7 +626,7 @@ void history_forward(struct browser_window *bw, struct history *history)
*/
bool history_back_available(struct history *history) {
return (history && history->current->back);
return (history && history->current && history->current->back);
}
@ -638,7 +638,7 @@ bool history_back_available(struct history *history) {
*/
bool history_forward_available(struct history *history) {
return (history && history->current->forward_pref);
return (history && history->current && history->current->forward_pref);
}
/**