X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fgetcwd.c;h=f8101613f2c8eb01f50364eb87176039160be5d4;hb=effe7821374f8b7e22e9de3df9cc4e5f285712bd;hp=e52af1856f0ce06717ad860b7649581b6be38283;hpb=d60f3b0c6b0f93a601acd1cfd3923f94ca05abb0;p=gnulib.git

diff --git a/lib/getcwd.c b/lib/getcwd.c
index e52af1856..f8101613f 100644
--- 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
@@ -57,8 +58,6 @@
 # endif
 #endif
 
-#include <limits.h>
-
 #ifndef MAX
 # define MAX(a, b) ((a) < (b) ? (b) : (a))
 #endif
@@ -66,12 +65,12 @@
 # define MIN(a, b) ((a) < (b) ? (a) : (b))
 #endif
 
+#include "pathmax.h"
+
+/* In this file, PATH_MAX only serves as a threshold for choosing among two
+   algorithms.  */
 #ifndef PATH_MAX
-# ifdef MAXPATHLEN
-#  define PATH_MAX MAXPATHLEN
-# else
-#  define PATH_MAX 1024
-# endif
+# define PATH_MAX 8192
 #endif
 
 #if D_INO_IN_DIRENT
@@ -148,7 +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