From 5093182f4a700e7b22fc7ded9d625d0a878aa43c Mon Sep 17 00:00:00 2001
From: "Darryl L. Miles" <darryl.miles@darrylmiles.org>
Date: Mon, 25 Aug 2025 11:08:26 +0100
Subject: [PATCH] database: DBPlaneShortName() return const char *

---
 database/DBtechname.c  | 8 ++++----
 database/database.h.in | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/database/DBtechname.c b/database/DBtechname.c
index c3d0188e..85a898a1 100644
--- a/database/DBtechname.c
+++ b/database/DBtechname.c
@@ -347,11 +347,11 @@ DBTypeShortName(
     return ("???");
 }
 
-char *
-DBPlaneShortName(pNum)
-    int pNum;
+const char *
+DBPlaneShortName(
+    int pNum)
 {
-    NameList *tbl;
+    const NameList *tbl;
 
     for (tbl = dbPlaneNameLists.sn_next;
 	    tbl != &dbPlaneNameLists;
diff --git a/database/database.h.in b/database/database.h.in
index 75ef3e6f..a800f197 100644
--- a/database/database.h.in
+++ b/database/database.h.in
@@ -1062,7 +1062,7 @@ extern HashTable	DBTypeAliasTable;
 extern char		*DBPlaneLongNameTbl[NP];
 
     /* Gives a short name for each plane: */
-extern char		*DBPlaneShortName();
+extern const char	*DBPlaneShortName();
 
     /* Gives for each plane a mask of all tile types stored in that plane: */
 extern TileTypeBitMask	DBPlaneTypes[NP];