X-Git-Url: https://wimlib.net/git/?p=wimlib;a=blobdiff_plain;f=include%2Fwimlib%2Fapply.h;h=2f3b1cb941ab3b61a8821357f2cf2091d50a4f72;hp=72c21b5dbc06878edac7084e8340f8b860203e81;hb=4c532e2a9f1a40e1c1a6ed44a50025cfbfab6e4f;hpb=cc7b6ee47d4037ae8fa11b4c2d5154091d543704

diff --git a/include/wimlib/apply.h b/include/wimlib/apply.h
index 72c21b5d..2f3b1cb9 100644
--- a/include/wimlib/apply.h
+++ b/include/wimlib/apply.h
@@ -1,7 +1,9 @@
 #ifndef _WIMLIB_APPLY_H
 #define _WIMLIB_APPLY_H
 
+#include "wimlib/file_io.h"
 #include "wimlib/list.h"
+#include "wimlib/progress.h"
 #include "wimlib/types.h"
 #include "wimlib.h"
 
@@ -46,7 +48,8 @@ struct apply_ctx {
 	int extract_flags;
 
 	/* User-provided progress function, or NULL if not specified.  */
-	wimlib_progress_func_t progress_func;
+	wimlib_progress_func_t progfunc;
+	void *progctx;
 
 	/* Progress data buffer, with progress.extract initialized.  */
 	union wimlib_progress_info progress;
@@ -64,8 +67,22 @@ struct apply_ctx {
 	struct list_head stream_list;
 	const struct read_stream_list_callbacks *saved_cbs;
 	struct wim_lookup_table_entry *cur_stream;
+	u64 cur_stream_offset;
+	struct filedes tmpfile_fd;
+	tchar *tmpfile_name;
 };
 
+/* Maximum number of UNIX file descriptors, NTFS attributes, or Windows file
+ * handles that can be opened simultaneously to extract a single-instance
+ * stream to multiple destinations.  */
+#define MAX_OPEN_STREAMS 512
+
+static inline int
+extract_progress(struct apply_ctx *ctx, enum wimlib_progress_msg msg)
+{
+	return call_progress(ctx->progfunc, msg, &ctx->progress, ctx->progctx);
+}
+
 /* Returns any of the aliases of an inode that are being extracted.  */
 #define inode_first_extraction_dentry(inode)		\
 	list_first_entry(&(inode)->i_extraction_aliases,	\