X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Ffsusage.c;h=337bf5315d97a2fa1c35b06c6f45300270c820f9;hb=a3a70ebafd7f2fdc069d43e8a26fc246dd7fe5bb;hp=7d84a9ff7469896c69b1c7652759bbddc3f8c318;hpb=2c7110f2230f4bf73f74fe3721958fe16a58e8ba;p=gnulib.git

diff --git a/lib/fsusage.c b/lib/fsusage.c
index 7d84a9ff7..337bf5315 100644
--- 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))) \