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Bug 158725 - free linked list with data

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Add some helpers for freeing a linked list along with its elements by
providing a GDestroyNotify to call on each of them.

Add a test.

Based on a patch from Cosimo Cecchi.
This commit is contained in:
Ryan Lortie
2009-10-16 12:19:06 +02:00
parent 4baad1acbf
commit 7c184df292
7 changed files with 109 additions and 1 deletions
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63
glib/tests/list.c
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@@ -294,6 +294,68 @@ test_list_insert (void)
g_list_free (list);
}
typedef struct
{
gboolean freed;
int x;
} ListItem;
static void
free_func (gpointer data)
{
ListItem *item = data;
item->freed = TRUE;
}
static ListItem *
new_item (int x)
{
ListItem *item;
item = g_slice_new (ListItem);
item->freed = FALSE;
item->x = x;
return item;
}
static void
test_free_full (void)
{
ListItem *one, *two, *three;
GSList *slist = NULL;
GList *list = NULL;
slist = g_slist_prepend (slist, one = new_item (1));
slist = g_slist_prepend (slist, two = new_item (2));
slist = g_slist_prepend (slist, three = new_item (3));
g_assert (!one->freed);
g_assert (!two->freed);
g_assert (!three->freed);
g_slist_free_full (slist, free_func);
g_assert (one->freed);
g_assert (two->freed);
g_assert (three->freed);
g_slice_free (ListItem, one);
g_slice_free (ListItem, two);
g_slice_free (ListItem, three);
list = g_list_prepend (list, one = new_item (1));
list = g_list_prepend (list, two = new_item (2));
list = g_list_prepend (list, three = new_item (3));
g_assert (!one->freed);
g_assert (!two->freed);
g_assert (!three->freed);
g_list_free_full (list, free_func);
g_assert (one->freed);
g_assert (two->freed);
g_assert (three->freed);
g_slice_free (ListItem, one);
g_slice_free (ListItem, two);
g_slice_free (ListItem, three);
}
int
main (int argc, char *argv[])
{
@@ -316,6 +378,7 @@ main (int argc, char *argv[])
g_test_add_func ("/list/remove-all", test_list_remove_all);
g_test_add_func ("/list/first-last", test_list_first_last);
g_test_add_func ("/list/insert", test_list_insert);
g_test_add_func ("/list/free-full", test_free_full);
return g_test_run ();
}