/* FIXME - use fcntl(F_DUPFD_CLOEXEC)/openat(O_CLOEXEC) once they are
supported. */
# include "cloexec.h"
+# include "openat.h"
# include "same-inode.h"
#endif
# define __set_errno(Val) errno = (Val)
#endif
-#ifndef __attribute__
-# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 8)
-# define __attribute__(x) /* empty */
-# endif
-#endif
-
-#ifndef ATTRIBUTE_UNUSED
-# define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
-#endif
-
/* If this host provides the openat function, then we can avoid
attempting to open "." in some initialization code below. */
#ifdef HAVE_OPENAT
}
#else
-static bool dirent_inode_sort_may_be_useful (int dir_fd) { return true; }
-static bool leaf_optimization_applies (int dir_fd) { return false; }
+static bool
+dirent_inode_sort_may_be_useful (int dir_fd _UNUSED_PARAMETER_) { return true; }
+static bool
+leaf_optimization_applies (int dir_fd _UNUSED_PARAMETER_) { return false; }
#endif
#if GNULIB_FTS
*/
/* ARGSUSED */
int
-fts_set(FTS *sp ATTRIBUTE_UNUSED, FTSENT *p, int instr)
+fts_set(FTS *sp _UNUSED_PARAMETER_, FTSENT *p, int instr)
{
if (instr != 0 && instr != FTS_AGAIN && instr != FTS_FOLLOW &&
instr != FTS_NOINSTR && instr != FTS_SKIP) {
opening it. */
if (cur->fts_info == FTS_NSOK)
cur->fts_info = fts_stat(sp, cur, false);
+ else if (sp->fts_options & FTS_TIGHT_CYCLE_CHECK) {
+ /* Now read the stat info again after opening a directory to
+ * reveal eventual changes caused by a submount triggered by
+ * the traversal. But do it only for utilities which use
+ * FTS_TIGHT_CYCLE_CHECK. Therefore, only find and du
+ * benefit/suffer from this feature for now.
+ */
+ LEAVE_DIR (sp, cur, "4");
+ fts_stat (sp, cur, false);
+ if (! enter_dir (sp, cur)) {
+ __set_errno (ENOMEM);
+ return NULL;
+ }
+ }
/*
* Nlinks is the number of possible entries of type directory in the