[Minor] Add mempool functions to work with glists

2 files changed, 58 insertions, 0 deletions

diff --git a/src/libutil/mem_pool.c b/src/libutil/mem_pool.c
index 3b05e1d59..1ee0558a1 100644
--- a/src/libutil/mem_pool.c
+++ b/src/libutil/mem_pool.c
@@ -874,3 +874,45 @@ rspamd_mempool_remove_variable (rspamd_mempool_t *pool, const gchar *name)
 		g_hash_table_remove (pool->variables, name);
 	}
 }
+
+GList *
+rspamd_mempool_glist_prepend (rspamd_mempool_t *pool, GList *l, gpointer p)
+{
+	GList *cell;
+
+	cell = rspamd_mempool_alloc (pool, sizeof (*cell));
+	cell->prev = NULL;
+	cell->data = p;
+
+	if (l == NULL) {
+		cell->next = NULL;
+	}
+	else {
+		cell->next = l;
+		l->prev = cell;
+	}
+
+	return cell;
+}
+
+GList *
+rspamd_mempool_glist_append (rspamd_mempool_t *pool, GList *l, gpointer p)
+{
+	GList *cell, *cur;
+
+	cell = rspamd_mempool_alloc (pool, sizeof (*cell));
+	cell->next = NULL;
+	cell->data = p;
+
+	if (l) {
+		for (cur = l; cur->next != NULL; cur = cur->next) {}
+		cur->next = cell;
+		cell->prev = cur;
+	}
+	else {
+		l = cell;
+		l->prev = NULL;
+	}
+
+	return l;
+}
diff --git a/src/libutil/mem_pool.h b/src/libutil/mem_pool.h
index 69e9f6437..f16d454f2 100644
--- a/src/libutil/mem_pool.h
+++ b/src/libutil/mem_pool.h
@@ -320,5 +320,21 @@ gpointer rspamd_mempool_get_variable (rspamd_mempool_t *pool,
  */
 void rspamd_mempool_remove_variable (rspamd_mempool_t *pool,
 		const gchar *name);
+/**
+ * Prepend element to a list creating it in the memory pool
+ * @param l
+ * @param p
+ * @return
+ */
+GList *rspamd_mempool_glist_prepend (rspamd_mempool_t *pool,
+		GList *l, gpointer p) G_GNUC_WARN_UNUSED_RESULT;
+/**
+ * Append element to a list creating it in the memory pool
+ * @param l
+ * @param p
+ * @return
+ */
+GList *rspamd_mempool_glist_append (rspamd_mempool_t *pool,
+		GList *l, gpointer p) G_GNUC_WARN_UNUSED_RESULT;
 
 #endif