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threshold plugin: Move the threshold checking code into a plugin.
[collectd.git]
/
src
/
utils_llist.c
diff --git
a/src/utils_llist.c
b/src/utils_llist.c
index
7fae025
..
6a0c6f0
100644
(file)
--- a/
src/utils_llist.c
+++ b/
src/utils_llist.c
@@
-59,6
+59,9
@@
void llist_destroy (llist_t *l)
llentry_t *e_this;
llentry_t *e_next;
llentry_t *e_this;
llentry_t *e_next;
+ if (l == NULL)
+ return;
+
for (e_this = l->head; e_this != NULL; e_this = e_next)
{
e_next = e_this->next;
for (e_this = l->head; e_this != NULL; e_this = e_next)
{
e_next = e_this->next;
@@
-136,23
+139,49
@@
int llist_size (llist_t *l)
return (l ? l->size : 0);
}
return (l ? l->size : 0);
}
+static int llist_strcmp (llentry_t *e, void *ud)
+{
+ if ((e == NULL) || (ud == NULL))
+ return (-1);
+ return (strcmp (e->key, (const char *)ud));
+}
+
llentry_t *llist_search (llist_t *l, const char *key)
{
llentry_t *llist_search (llist_t *l, const char *key)
{
+ return (llist_search_custom (l, llist_strcmp, (void *)key));
+}
+
+llentry_t *llist_search_custom (llist_t *l,
+ int (*compare) (llentry_t *, void *), void *user_data)
+{
llentry_t *e;
llentry_t *e;
- for (e = l->head; e != NULL; e = e->next)
- if (strcmp (key, e->key) == 0)
+ if (l == NULL)
+ return (NULL);
+
+ e = l->head;
+ while (e != NULL) {
+ llentry_t *next = e->next;
+
+ if (compare (e, user_data) == 0)
break;
break;
+ e = next;
+ }
+
return (e);
}
llentry_t *llist_head (llist_t *l)
{
return (e);
}
llentry_t *llist_head (llist_t *l)
{
+ if (l == NULL)
+ return (NULL);
return (l->head);
}
llentry_t *llist_tail (llist_t *l)
{
return (l->head);
}
llentry_t *llist_tail (llist_t *l)
{
+ if (l == NULL)
+ return (NULL);
return (l->tail);
}
return (l->tail);
}