pre-allocate file size before write

2026-07-26 17:30:09 +00:00 · 2025-02-25 14:41:34 -08:00
parent bbce89eada
commit d5ab121183
3 changed files with 18 additions and 0 deletions
@@ -195,6 +195,10 @@ lnk_write_data_list_to_file_path(String8 path, String8 temp_path, String8List da
  }

  if (!os_handle_match(file_handle, os_handle_zero())) {
+    if (!os_file_reserve_size(file_handle, data.total_size)) {
+      lnk_log(LNK_Log_IO_Write, "Failed to pre-allocate file %S with size %M", path, data.total_size);
+    }
+
    // write data nodes
    {
      for (String8Node *data_n = data.first; data_n != 0; data_n = data_n->next) {