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* util.c (list_append_unique): Traverse the list backwards. 

Otherwise the list was lost when the current link was removed.
This commit is contained in:
Pavel Roskin 2003-02-18 23:21:54 +00:00
parent a2ef2fe88b
commit cb1438913a
2 changed files with 15 additions and 4 deletions
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3
src/ChangeLog
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@ -1,5 +1,8 @@
2003-02-18 Pavel Roskin <proski@gnu.org>
* util.c (list_append_unique): Traverse the list backwards.
Otherwise the list was lost when the current link was removed.
* widget.c (history_get): Set the history to the last item.
Reported by Adam Byrtek <alpha@debian.org>

16
src/util.c
View File

@ -1170,15 +1170,23 @@ list_append_unique (GList *list, char *text)
{
GList *link, *newlink;
link = g_list_first (list);
/*
* Go to the last position and traverse the list backwards
* starting from the second last entry to make sure that we
* are not removing the current link.
*/
list = g_list_append (list, text);
list = g_list_last (list);
link = g_list_previous (list);
while (link) {
newlink = g_list_next (link);
newlink = g_list_previous (link);
if (!strcmp ((char *) link->data, text))
list = g_list_remove_link (list, link);
g_list_remove_link (list, link);
link = newlink;
}
return g_list_append (list, text);
return list;
}