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maint: fts.c: remove #if-0'd FTS_WHITEOUT code
[gnulib.git]
/
m4
/
getcwd-abort-bug.m4
diff --git
a/m4/getcwd-abort-bug.m4
b/m4/getcwd-abort-bug.m4
index
59c3daa
..
fd6820d
100644
(file)
--- a/
m4/getcwd-abort-bug.m4
+++ b/
m4/getcwd-abort-bug.m4
@@
-1,9
+1,9
@@
-# serial
2
+# serial
4
# 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.
# 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, 2009
, 2010
Free Software Foundation, Inc.
+# Copyright (C) 2006, 2009
-2011
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.
# 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.
@@
-21,6
+21,7
@@
AC_DEFUN([gl_FUNC_GETCWD_ABORT_BUG],
rm -rf confdir-14B---
# Arrange for deletion of the temporary directory this test creates.
ac_clean_files="$ac_clean_files confdir-14B---"
rm -rf confdir-14B---
# Arrange for deletion of the temporary directory this test creates.
ac_clean_files="$ac_clean_files confdir-14B---"
+ dnl Please keep this in sync with tests/test-getcwd.c.
AC_RUN_IFELSE(
[AC_LANG_SOURCE(
[[
AC_RUN_IFELSE(
[AC_LANG_SOURCE(
[[
@@
-58,13
+59,13
@@
main ()
size_t d;
/* The bug is triggered when PATH_MAX < getpagesize (), so skip
size_t d;
/* The bug is triggered when PATH_MAX < getpagesize (), so skip
- this relative expensive and invasive test if that's not true. */
+ this relative
ly
expensive and invasive test if that's not true. */
if (getpagesize () <= PATH_MAX)
return 0;
cwd = getcwd (NULL, 0);
if (cwd == NULL)
if (getpagesize () <= PATH_MAX)
return 0;
cwd = getcwd (NULL, 0);
if (cwd == NULL)
- return
0
;
+ return
2
;
initial_cwd_len = strlen (cwd);
free (cwd);
initial_cwd_len = strlen (cwd);
free (cwd);
@@
-91,15
+92,22
@@
main ()
while (0 < d--)
{
if (chdir ("..") < 0)
while (0 < d--)
{
if (chdir ("..") < 0)
- break;
+ {
+ fail = 5;
+ break;
+ }
rmdir (dir_name);
}
rmdir (dir_name);
}
- return
0
;
+ return
fail
;
}
]])],
[gl_cv_func_getcwd_abort_bug=no],
}
]])],
[gl_cv_func_getcwd_abort_bug=no],
- [gl_cv_func_getcwd_abort_bug=yes],
+ dnl A "regular" nonzero return does not indicate this bug.
+ dnl An abort will provoke an exit code of something like 134 (128 + 6).
+ [test $? -gt 128 \
+ && gl_cv_func_getcwd_abort_bug=yes \
+ || gl_cv_func_getcwd_abort_bug=no],
[gl_cv_func_getcwd_abort_bug=yes])
])
AS_IF([test $gl_cv_func_getcwd_abort_bug = yes], [$1], [$2])
[gl_cv_func_getcwd_abort_bug=yes])
])
AS_IF([test $gl_cv_func_getcwd_abort_bug = yes], [$1], [$2])