1 files changed, 13 insertions, 1 deletions
diff --git a/src/cache/backings/file_common.h b/src/cache/backings/file_common.h
index 6650dd1..6dd4e96 100644
--- a/src/cache/backings/file_common.h
+++ b/src/cache/backings/file_common.h
@@ -27,7 +27,19 @@ static void file_backing_finalize(struct cch_backing *backing)
 static bool file_open_internal(struct cch_backing_file *file, str *path, size_t size)
 {
     s32 flags = (size != 0) ? NNWT_FILE_CREATE : NNWT_FILE_READONLY;
-    if (!nn_file_open(&file->file, path, flags)) return false;
+    if (al_str_cmp(path, &al_str_c("fd://"), 0, 5) == 0) {
+        str fd_str = al_str_substr(path, 5, path->length);
+        bool error;
+        s32 fd = (s32)al_str_to_long(&fd_str, 10, &error);
+        if (error) return false;
+        if (!nn_file_wrap_fd(&file->file, fd)) {
+            return false;
+        }
+    } else {
+        if (!nn_file_open(&file->file, path, flags)) {
+            return false;
+        }
+    }
     size_t filesize = file->file.size;
     if (!size) {
         file->backing.size = filesize;