Allow changing WIM compression type

[wimlib] / include / wimlib / wim.h

diff --git a/include/wimlib/wim.h b/include/wimlib/wim.h
index 5a04756ba2e3006a7ad5e6ea0d06132b1f499fc1..b6cf84a7f94b69161ae6190da885e30a28afa766 100644 (file)
--- a/include/wimlib/wim.h
+++ b/include/wimlib/wim.h
@@ -42,6 +42,9 @@ struct WIMStruct {
        /* Temporary field */
        void *private;
 
+       /* LZX compression context for default thread  */
+       struct wimlib_lzx_context *lzx_context;
+
        struct list_head subwims;
 
        struct list_head subwim_node;
@@ -63,12 +66,16 @@ struct WIMStruct {
 
        u8 wim_locked : 1;
 
-       u8 being_unmerged : 1;
-
        u8 guid_set_explicitly : 1;
 
        /* One of WIMLIB_COMPRESSION_TYPE_*, cached from the header flags. */
        u8 compression_type : 2;
+
+       /* Overwritten compression type for wimlib_overwrite() or
+        * wimlib_write().  Can be changed by
+        * wimlib_set_output_compression_type(); otherwise is the same as
+        * compression_type.  */
+       u8 out_compression_type : 2;
 };
 
 static inline bool wim_is_pipable(const WIMStruct *wim)
@@ -89,6 +96,9 @@ static inline bool wim_has_metadata(const WIMStruct *wim)
 extern void
 wim_recalculate_refcnts(WIMStruct *wim);
 
+extern u32
+get_wim_hdr_cflags(int ctype);
+
 extern int
 init_wim_header(struct wim_header *hdr, int ctype);