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-rw-r--r--src/vehicle.cpp11
1 files changed, 7 insertions, 4 deletions
diff --git a/src/vehicle.cpp b/src/vehicle.cpp
index 943fc7076..d0de000db 100644
--- a/src/vehicle.cpp
+++ b/src/vehicle.cpp
@@ -1680,17 +1680,20 @@ static bool IsUniqueVehicleName(const char *name)
CommandCost CmdNameVehicle(TileIndex tile, uint32 flags, uint32 p1, uint32 p2)
{
if (!IsValidVehicleID(p1)) return CMD_ERROR;
- if (StrEmpty(_cmd_text) || strlen(_cmd_text) >= MAX_LENGTH_VEHICLE_NAME_BYTES) return CMD_ERROR;
Vehicle *v = GetVehicle(p1);
-
if (!CheckOwnership(v->owner)) return CMD_ERROR;
- if ((flags & DC_AUTOREPLACE) == 0 && !IsUniqueVehicleName(_cmd_text)) return_cmd_error(STR_NAME_MUST_BE_UNIQUE);
+ bool reset = StrEmpty(_cmd_text);
+
+ if (!reset) {
+ if (strlen(_cmd_text) >= MAX_LENGTH_VEHICLE_NAME_BYTES) return CMD_ERROR;
+ if (!(flags & DC_AUTOREPLACE) && !IsUniqueVehicleName(_cmd_text)) return_cmd_error(STR_NAME_MUST_BE_UNIQUE);
+ }
if (flags & DC_EXEC) {
free(v->name);
- v->name = strdup(_cmd_text);
+ v->name = reset ? NULL : strdup(_cmd_text);
InvalidateWindowClassesData(WC_TRAINS_LIST, 1);
MarkWholeScreenDirty();
}