From 6eef93dc05a1b937eb6a50e8d17c825f9bdc4465 Mon Sep 17 00:00:00 2001
From: Eduardo Silva <eduardo@calyptia.com>
Date: Fri, 16 Feb 2024 18:40:32 -0600
Subject: [PATCH] kvlist: add new functions

Signed-off-by: Eduardo Silva <eduardo@calyptia.com>
---
 include/cfl/cfl_kvlist.h |  4 +++
 src/cfl_kvlist.c         | 57 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 61 insertions(+)

diff --git a/include/cfl/cfl_kvlist.h b/include/cfl/cfl_kvlist.h
index d766e96..3f41bef 100644
--- a/include/cfl/cfl_kvlist.h
+++ b/include/cfl/cfl_kvlist.h
@@ -76,4 +76,8 @@ int cfl_kvlist_count(struct cfl_kvlist *list);
 struct cfl_variant *cfl_kvlist_fetch(struct cfl_kvlist *list, char *key);
 int cfl_kvlist_print(FILE *fp, struct cfl_kvlist *list);
 
+int cfl_kvlist_contains(struct cfl_kvlist *kvlist, char *name);
+int cfl_kvlist_remove(struct cfl_kvlist *kvlist, char *name);
+void cfl_kvpair_destroy(struct cfl_kvpair *pair);
+
 #endif
diff --git a/src/cfl_kvlist.c b/src/cfl_kvlist.c
index bdfc9f0..f9f13ee 100644
--- a/src/cfl_kvlist.c
+++ b/src/cfl_kvlist.c
@@ -411,3 +411,60 @@ int cfl_kvlist_print(FILE *fp, struct cfl_kvlist *list)
 
     return ret;
 }
+
+int cfl_kvlist_contains(struct cfl_kvlist *kvlist, char *name)
+{
+    struct cfl_list   *iterator;
+    struct cfl_kvpair *pair;
+
+    cfl_list_foreach(iterator, &kvlist->list) {
+        pair = cfl_list_entry(iterator,
+                              struct cfl_kvpair, _head);
+
+        if (strcasecmp(pair->key, name) == 0) {
+            return CFL_TRUE;
+        }
+    }
+
+    return CFL_FALSE;
+}
+
+
+int cfl_kvlist_remove(struct cfl_kvlist *kvlist, char *name)
+{
+    struct cfl_list   *iterator_backup;
+    struct cfl_list   *iterator;
+    struct cfl_kvpair *pair;
+
+    cfl_list_foreach_safe(iterator, iterator_backup, &kvlist->list) {
+        pair = cfl_list_entry(iterator,
+                              struct cfl_kvpair, _head);
+
+        if (strcasecmp(pair->key, name) == 0) {
+            cfl_kvpair_destroy(pair);
+        }
+    }
+
+    return CFL_TRUE;
+}
+
+
+void cfl_kvpair_destroy(struct cfl_kvpair *pair)
+{
+    if (pair != NULL) {
+        if (!cfl_list_entry_is_orphan(&pair->_head)) {
+            cfl_list_del(&pair->_head);
+        }
+
+        if (pair->key != NULL) {
+            cfl_sds_destroy(pair->key);
+        }
+
+        if (pair->val != NULL) {
+            cfl_variant_destroy(pair->val);
+        }
+
+        free(pair);
+    }
+}
+