1 files changed, 49 insertions, 0 deletions
diff --git a/demos/utils.c b/demos/utils.c
new file mode 100644
index 0000000..7c95d00
--- /dev/null
+++ b/demos/utils.c
@@ -0,0 +1,49 @@
+// License: CC0 / Public Domain
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "utils.h"
+#include "../src/os.h"
+
+#ifdef PL_HAVE_WIN32
+#include <shlobj.h>
+#else
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <pwd.h>
+#endif
+
+const char *get_cache_dir(char (*buf)[512])
+{
+    // Check if XDG_CACHE_HOME is set for Linux/BSD
+    const char* xdg_cache_home = getenv("XDG_CACHE_HOME");
+    if (xdg_cache_home)
+        return xdg_cache_home;
+
+#ifdef _WIN32
+    const char* local_app_data = getenv("LOCALAPPDATA");
+    if (local_app_data)
+        return local_app_data;
+#endif
+
+#ifdef __APPLE__
+    struct passwd* pw = getpwuid(getuid());
+    if (pw) {
+        int ret = snprintf(*buf, sizeof(*buf), "%s/%s", pw->pw_dir, "Library/Caches");
+        if (ret > 0 && ret < sizeof(*buf))
+            return *buf;
+    }
+#endif
+
+    const char* home = getenv("HOME");
+    if (home) {
+        int ret = snprintf(*buf, sizeof(*buf), "%s/.cache", home);
+        if (ret > 0 && ret < sizeof(*buf))
+            return *buf;
+    }
+
+    return NULL;
+}