From: Holger Schemel <info@artsoft.org>
Date: Thu, 11 Feb 2021 00:39:33 +0000 (+0100)
Subject: added storing and checking program version in artwork info cache
X-Git-Tag: 4.2.3.0~14
X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=commitdiff_plain;h=5985bdeb8c45af7f98466f3bda30b1913a2fc9cf

added storing and checking program version in artwork info cache
---

diff --git a/src/libgame/setup.c b/src/libgame/setup.c
index 458ad40b..a135b0d5 100644
--- a/src/libgame/setup.c
+++ b/src/libgame/setup.c
@@ -2330,6 +2330,8 @@ static void saveSetupFileHash(SetupFileHash *hash, char *filename)
     return;
   }
 
+  fprintf(file, "%s\n\n", getFormattedSetupEntry("program.version",
+						 program.version_string));
   for (i = 0; i < item_count; i++)
     fprintf(file, "%s\n", getFormattedSetupEntry(sort_array[i].token,
 						 sort_array[i].value));
@@ -2927,6 +2929,17 @@ static void LoadArtworkInfoCache(void)
     // try to load artwork info hash from already existing cache file
     artworkinfo_cache_old = loadSetupFileHash(filename);
 
+    // try to get program version that artwork info cache was written with
+    char *version = getHashEntry(artworkinfo_cache_old, "program.version");
+
+    // check program version of artwork info cache against current version
+    if (!strEqual(version, program.version_string))
+    {
+      freeSetupFileHash(artworkinfo_cache_old);
+
+      artworkinfo_cache_old = NULL;
+    }
+
     // if no artwork info cache file was found, start with empty hash
     if (artworkinfo_cache_old == NULL)
       artworkinfo_cache_old = newSetupFileHash();