Make fts (in FTS_CWDFD mode) more efficient by caching a few open

[gnulib.git] / lib / fts_.h

diff --git a/lib/fts_.h b/lib/fts_.h
index 7e6a404..d5b0474 100644 (file)
--- a/lib/fts_.h
+++ b/lib/fts_.h
@@ -65,6 +65,7 @@
 # include <stddef.h>
 # include <sys/types.h>
 # include <sys/stat.h>
+# include "i-ring.h"
 
 typedef struct {
        struct _ftsent *fts_cur;        /* current node */
@@ -163,7 +164,12 @@ typedef struct {
                   but it's not appropriate for programs like du.  */
                struct cycle_check_state *state;
        } fts_cycle;
+
 # endif
+       /* A stack of the file descriptors corresponding to the
+          most-recently traversed parent directories.
+          Currently used only in FTS_CWDFD mode.  */
+       I_ring fts_fd_ring;
 } FTS;
 
 typedef struct _ftsent {