X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fgetcwd.m4;h=ea10fb66a9527b2b8c532bfe941655b48e32d002;hb=82afcdd;hp=df9c96869fd3646b7b0e27bf0af0a41915088feb;hpb=b2e2010c7c902235b5efb5bd3c6529f61b093aa4;p=gnulib.git

diff --git a/m4/getcwd.m4 b/m4/getcwd.m4
index df9c96869..ea10fb66a 100644
--- a/m4/getcwd.m4
+++ b/m4/getcwd.m4
@@ -7,7 +7,7 @@
 # with or without modifications, as long as this notice is preserved.
 
 # Written by Paul Eggert.
-# serial 2
+# serial 3
 
 AC_DEFUN([gl_FUNC_GETCWD_NULL],
   [
@@ -27,7 +27,13 @@ AC_DEFUN([gl_FUNC_GETCWD_NULL],
            else
              {
                char *f = getcwd (NULL, 0);
-               return ! (f && f[0] == '/' && !f[1]);
+               if (! f)
+                 return 2;
+               if (f[0] != '/')
+                 return 3;
+               if (f[1] != '\0')
+                 return 4;
+               return 0;
              }
 #endif
          ]])],