extract.c: Fix for running out of file handles

[wimlib] / include / wimlib / apply.h

diff --git a/include/wimlib/apply.h b/include/wimlib/apply.h
index 6c595d513b84bbb48f29831f0fcddf0e3b6dc8f5..9f5f86bd4a9813dfc00af01eac886a58148446fb 100644 (file)
--- a/include/wimlib/apply.h
+++ b/include/wimlib/apply.h
@@ -1,6 +1,7 @@
 #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"
@@ -66,8 +67,15 @@ struct apply_ctx {
        struct list_head stream_list;
        const struct read_stream_list_callbacks *saved_cbs;
        struct wim_lookup_table_entry *cur_stream;
+       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)
 {