vfs: add follow_path function

src/fs/vfs.c

@@ -221,4 +221,70 @@ int vsf_read_file_by_path(const char* path, uint8_t** buffer, l9660_dir* dir)
     debug_log("bytes read: 0x%X\n", read);
     
     return 0;
+}
+
+void follow_path(const char* path, l9660_file* file, l9660_dir* dir)
+{
+    int pos = 0;
+    int start_from_root = 0;
+    char buf[32];
+    int bufpos = 0;
+
+    int isdir = 0;
+
+    memset(buf, 0, sizeof(buf));
+
+    if (path[pos] == '/')
+    {
+        start_from_root = 1;
+        pos++;
+        l9660_fs_open_root(dir, global_fs);
+        debug_log("start_from_root\n");
+        debug_log("/");
+    }
+
+    //printf("start_from_root: %X\n\n", start_from_root);
+    l9660_status status;
+
+    while(path[pos] != '\0')
+    {
+    	while (path[pos] != '/' && path[pos] != '\0')
+    	{
+        	buf[bufpos] = path[pos];
+        	pos++;
+        	bufpos++;
+    	}
+    	buf[bufpos] = '\0';  // Null-terminate the string
+    	bufpos = 0;
+
+        if(path[pos] != '\0')
+        {
+            isdir = 1;
+            debug_log("%s->", buf);//this is a directory
+            l9660_dir dir2;
+            status = l9660_opendirat(&dir2, dir, buf);
+            if(status != L9660_OK)
+            {
+                debug_log("FUCKFUCKFUCKFUCK BLYAAAT!!!!!\n");
+                return;
+            }
+            *dir = dir2;
+        }
+        else
+        {
+            isdir = 0;
+            debug_log("%s", buf);//this is a file
+            status = l9660_openat(file, dir, buf);
+            if(status != L9660_OK)
+            {
+                debug_log("PIZDAPIZDA BLYAAAT!!!!!\n");
+                return;
+            }
+            return;
+        }
+        pos++;
+    }
+    debug_log("\n");
+    //printf("buf: %s\n", buf);
+    debug_log("isdir: %X\n", isdir);
 }