From: Michael Tremer <michael.tremer@ipfire.org>
Date: Sun, 31 Mar 2024 16:33:34 +0000 (+0000)
Subject: lua: Don't raise an error if a network cannot be found
X-Git-Tag: 0.9.18~70
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=88908fd46de5694d66eb1fe0cc3467d4a393ad93;p=location%2Flibloc.git

lua: Don't raise an error if a network cannot be found

The lookup function now returns nil which is easier to handle than
catching a Lua error.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/lua/database.c b/src/lua/database.c
index 841041d..aada739 100644
--- a/src/lua/database.c
+++ b/src/lua/database.c
@@ -174,8 +174,17 @@ static int Database_lookup(lua_State* L) {
 
 	// Perform lookup
 	r = loc_database_lookup_from_string(self->db, address, &network);
-	if (r)
-		return luaL_error(L, "Could not lookup address %s: %s\n", address, strerror(errno));
+	if (r) {
+		switch (errno) {
+			// Return nil if the network was not found
+			case ENOENT:
+				lua_pushnil(L);
+				return 1;
+
+			default:
+				return luaL_error(L, "Could not lookup address %s: %s\n", address, strerror(errno));
+		}
+	}
 
 	// Create a network object
 	r = create_network(L, network);