From 24ac36285cb171a0e124e1c5189b5849de8cd43c Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Mon, 14 Mar 2022 17:14:10 +0100
Subject: [PATCH] Added an interface for overriding tags

---
 osm.c | 17 +++++++++++++++++
 osm.h |  2 ++
 2 files changed, 19 insertions(+)

diff --git a/osm.c b/osm.c
index 6c11e67..17f2001 100644
--- a/osm.c
+++ b/osm.c
@@ -146,6 +146,23 @@ void osm_obj_add_tag(struct osm_object *o, const char *key, const char *val)
   osm_obj_add_tag_raw(o, osm_key_encode(key), osm_val_encode(val));
 }
 
+void osm_obj_set_tag_raw(struct osm_object *o, osm_key_t key, osm_val_t val)
+{
+  CLIST_FOR_EACH(struct osm_tag *, t, o->tags)
+    if (t->key == key)
+      {
+	t->val = val;
+	return;
+      }
+
+  osm_obj_add_tag_raw(o, key, val);
+}
+
+void osm_obj_set_tag(struct osm_object *o, const char *key, const char *val)
+{
+  osm_obj_set_tag_raw(o, osm_key_encode(key), osm_val_encode(val));
+}
+
 osm_val_t osm_obj_find_tag(struct osm_object *o, osm_key_t key)
 {
   CLIST_FOR_EACH(struct osm_tag *, t, o->tags)
diff --git a/osm.h b/osm.h
index d0df0c6..e7b8168 100644
--- a/osm.h
+++ b/osm.h
@@ -95,6 +95,8 @@ osm_id_t osm_parse_id(const char *str);
 struct osm_object *osm_obj_find_by_id(enum osm_object_type type, osm_id_t id);
 void osm_obj_add_tag(struct osm_object *o, const char *key, const char *val);
 void osm_obj_add_tag_raw(struct osm_object *o, osm_key_t key, osm_val_t val);
+void osm_obj_set_tag(struct osm_object *o, const char *key, const char *val);
+void osm_obj_set_tag_raw(struct osm_object *o, osm_key_t key, osm_val_t val);
 osm_val_t osm_obj_find_tag(struct osm_object *o, osm_val_t key);
 void osm_obj_dump(struct osm_object *o);
 void osm_obj_warn(struct osm_object *o, const char *msg, ...);
-- 
2.39.2