diff options
Diffstat (limited to 'include/sqfs/io.h')
| -rw-r--r-- | include/sqfs/io.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/sqfs/io.h b/include/sqfs/io.h index 578c4fb..18c6810 100644 --- a/include/sqfs/io.h +++ b/include/sqfs/io.h @@ -63,6 +63,11 @@ typedef enum { * @extends sqfs_object_t * * @brief Abstracts file I/O to make it easy to embedd SquashFS. + * + * Files are only copyable if they are read only, i.e. if a file has been + * opened with write access, @ref sqfs_copy will always return NULL. The + * other data types inside libsquashfs assume this to hold for all + * implementations of this interface. */ struct sqfs_file_t { sqfs_object_t base; |