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[gnulib.git] / lib / fsusage.c

diff --git a/lib/fsusage.c b/lib/fsusage.c
index 7d84a9f..337bf53 100644 (file)
--- a/lib/fsusage.c
+++ b/lib/fsusage.c
@@ -56,12 +56,17 @@
 # include "full-read.h"
 #endif
 
+/* The results of open() in this file are not used with fchdir,
+   therefore save some unnecessary work in fchdir.c.  */
+#undef open
+#undef close
+
 /* Many space usage primitives use all 1 bits to denote a value that is
    not applicable or unknown.  Propagate this information by returning
    a uintmax_t value that is all 1 bits if X is all 1 bits, even if X
    is unsigned and narrower than uintmax_t.  */
 #define PROPAGATE_ALL_ONES(x) \
-  ((sizeof (x) != sizeof (uintmax_t) \
+  ((sizeof (x) < sizeof (uintmax_t) \
     && (~ (x) == (sizeof (x) < sizeof (int) \
                  ? - (1 << (sizeof (x) * CHAR_BIT)) \
                  : 0))) \