upstream: Fix extraction of device nodes.

[tar] / m4 / getcwd-abort-bug.m4

diff --git a/m4/getcwd-abort-bug.m4 b/m4/getcwd-abort-bug.m4
index a431a7ccc03d5add8a07c457f7dff0270225a769..59c3daaa52ba3134c9907a60be2abb5d389aed83 100644 (file)
--- a/m4/getcwd-abort-bug.m4
+++ b/m4/getcwd-abort-bug.m4
@@ -1,9 +1,9 @@
-#serial 1
+# serial 2
 # Determine whether getcwd aborts when the length of the working directory
 # name is unusually large.  Any length between 4k and 16k trigger the bug
 # when using glibc-2.4.90-9 or older.
 
-# Copyright (C) 2006 Free Software Foundation, Inc.
+# Copyright (C) 2006, 2009, 2010 Free Software Foundation, Inc.
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
 # with or without modifications, as long as this notice is preserved.
@@ -13,8 +13,8 @@
 # gl_FUNC_GETCWD_ABORT_BUG([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
 AC_DEFUN([gl_FUNC_GETCWD_ABORT_BUG],
 [
-  AC_CHECK_DECLS_ONCE(getcwd)
-  AC_CHECK_FUNCS(getpagesize)
+  AC_CHECK_DECLS_ONCE([getcwd])
+  AC_CHECK_FUNCS([getpagesize])
   AC_CACHE_CHECK([whether getcwd aborts when 4k < cwd_length < 16k],
     gl_cv_func_getcwd_abort_bug,
     [# Remove any remnants of a previous test.
@@ -23,7 +23,7 @@ AC_DEFUN([gl_FUNC_GETCWD_ABORT_BUG],
      ac_clean_files="$ac_clean_files confdir-14B---"
      AC_RUN_IFELSE(
        [AC_LANG_SOURCE(
-         [[
+          [[
 #include <stdlib.h>
 #include <unistd.h>
 #include <limits.h>
@@ -69,14 +69,14 @@ main ()
   initial_cwd_len = strlen (cwd);
   free (cwd);
   desired_depth = ((TARGET_LEN - 1 - initial_cwd_len)
-                  / (1 + strlen (dir_name)));
+                   / (1 + strlen (dir_name)));
   for (d = 0; d < desired_depth; d++)
     {
       if (mkdir (dir_name, S_IRWXU) < 0 || chdir (dir_name) < 0)
-       {
-         fail = 3; /* Unable to construct deep hierarchy.  */
-         break;
-       }
+        {
+          fail = 3; /* Unable to construct deep hierarchy.  */
+          break;
+        }
     }
 
   /* If libc has the bug in question, this invocation of getcwd
@@ -91,7 +91,7 @@ main ()
   while (0 < d--)
     {
       if (chdir ("..") < 0)
-       break;
+        break;
       rmdir (dir_name);
     }