--- a/npf.c Sun Sep 11 14:57:56 2005 +0000
+++ b/npf.c Sun Sep 11 15:01:00 2005 +0000
@@ -30,7 +30,7 @@
* NPF scale, ie the number of full tiles multiplied by NPF_TILE_LENGTH to
* prevent rounding.
*/
-uint NPFDistanceTrack(TileIndex t0, TileIndex t1)
+static uint NPFDistanceTrack(TileIndex t0, TileIndex t1)
{
const uint dx = abs(TileX(t0) - TileX(t1));
const uint dy = abs(TileY(t0) - TileY(t1));
@@ -53,7 +53,7 @@
* @param trackdir The (track)direction in which you want to look.
* @param enginetype The type of the engine for which we are checking this.
*/
-bool IsEndOfLine(TileIndex tile, Trackdir trackdir, RailType enginetype)
+static bool IsEndOfLine(TileIndex tile, Trackdir trackdir, RailType enginetype)
{
byte exitdir = TrackdirToExitdir(trackdir);
TileIndex dst_tile;
@@ -161,7 +161,7 @@
/* On PBS pathfinding runs, this is called before pathfinding ends (BeforeExit aystar callback), and will
* reserve the appropriate tracks, if needed. */
-void NPFReservePBSPath(AyStar *as)
+static void NPFReservePBSPath(AyStar *as)
{
NPFFoundTargetData* ftd = (NPFFoundTargetData*)as->user_path;
bool eol_end = false;