From a534d294e41a0bc2c5e77e7b12786f8d0a9b5ae1 Mon Sep 17 00:00:00 2001
From: Holger Schemel <info@artsoft.org>
Date: Sat, 9 Apr 2022 12:09:07 +0200
Subject: [PATCH] added definition for persistent directory name for Emscripten
 platform

---
 src/libgame/setup.c  |  2 +-
 src/libgame/system.c | 10 ++++++----
 src/libgame/system.h |  1 +
 3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/libgame/setup.c b/src/libgame/setup.c
index b78d274e..60bb5685 100644
--- a/src/libgame/setup.c
+++ b/src/libgame/setup.c
@@ -1756,7 +1756,7 @@ char *getHomeDir(void)
       strcpy(dir, ".");
   }
 #elif defined(PLATFORM_EMSCRIPTEN)
-  dir = "/persistent";
+  dir = PERSISTENT_DIRECTORY;
 #elif defined(PLATFORM_UNIX)
   if (dir == NULL)
   {
diff --git a/src/libgame/system.c b/src/libgame/system.c
index f9cc4fe8..196e15dc 100644
--- a/src/libgame/system.c
+++ b/src/libgame/system.c
@@ -1908,17 +1908,19 @@ void InitEmscriptenFilesystem(void)
 {
 #if defined(PLATFORM_EMSCRIPTEN)
   EM_ASM
-  (
+  ({
+    dir = UTF8ToString($0);
+
     Module.sync_done = 0;
 
-    FS.mkdir('/persistent');		// create persistent data directory
-    FS.mount(IDBFS, {}, '/persistent');	// mount with IDBFS filesystem type
+    FS.mkdir(dir);			// create persistent data directory
+    FS.mount(IDBFS, {}, dir);		// mount with IDBFS filesystem type
     FS.syncfs(true, function(err)	// sync persistent data into memory
     {
       assert(!err);
       Module.sync_done = 1;
     });
-  );
+  }, PERSISTENT_DIRECTORY);
 
   // wait for persistent data to be synchronized to memory
   while (emscripten_run_script_int("Module.sync_done") == 0)
diff --git a/src/libgame/system.h b/src/libgame/system.h
index aea0130a..97615e6d 100644
--- a/src/libgame/system.h
+++ b/src/libgame/system.h
@@ -662,6 +662,7 @@
 #define CONF_DIRECTORY		"conf"
 #define NETWORK_DIRECTORY	"network"
 #define USERS_DIRECTORY		"users"
+#define PERSISTENT_DIRECTORY	"/persistent"
 
 #define GFX_CLASSIC_SUBDIR	"gfx_classic"
 #define SND_CLASSIC_SUBDIR	"snd_classic"
-- 
2.34.1