New module 'asinf'.

[gnulib.git] / lib / getcwd.c

diff --git a/lib/getcwd.c b/lib/getcwd.c
index f09fc3e..f810161 100644 (file)
--- a/lib/getcwd.c
+++ b/lib/getcwd.c
@@ -27,9 +27,10 @@
 
 #include <fcntl.h> /* For AT_FDCWD on Solaris 9.  */
 
-/* If this host provides the openat function, then enable
-   code below to make getcwd more efficient and robust.  */
-#ifdef HAVE_OPENAT
+/* If this host provides the openat function or if we're using the
+   gnulib replacement function, then enable code below to make getcwd
+   more efficient and robust.  */
+#if defined HAVE_OPENAT || defined GNULIB_OPENAT
 # define HAVE_OPENAT_SUPPORT 1
 #else
 # define HAVE_OPENAT_SUPPORT 0
@@ -146,7 +147,7 @@ __getcwd (char *buf, size_t size)
 
 # undef getcwd
   dir = getcwd (buf, size);
-  if (dir)
+  if (dir || (size && errno == ERANGE))
     return dir;
 
   /* Solaris getcwd (NULL, 0) fails with errno == EINVAL, but it has