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Re: mingw remove bug
|
From: |
Eric Blake |
|
Subject: |
Re: mingw remove bug |
|
Date: |
Wed, 16 Sep 2009 19:35:56 +0000 (UTC) |
|
User-agent: |
Loom/3.14 (http://gmane.org/) |
Jim Meyering <jim <at> meyering.net> writes:
> > Meanwhile, the rmdir-errno module, in use by coreutils until today, guessed
> > wrong for cross-compilation to Solaris (where rmdir fails with EEXIST, not
> > ENOTEMPTY, on a populated directory); now that coreutils no longer uses the
> > module [1], I see no reason to keep the module alive.
>
> I was thinking of marking it as obsolete,
> (AFAIK, there's been no actual problem report)
> but if coreutils was the only user, deleting should be ok.
OK, I'll be nice, as obsoletion gives a bit longer transition phase if anyone
else was using rmdir-errno. Also, I added a test of unlinkat, to make sure
that rmdir bugs don't reappear. Path [1/2] of the previous mail is unchanged,
but here's what replaces [2/2] and a new [3/2]:
From: Eric Blake <address@hidden>
Date: Wed, 16 Sep 2009 13:31:05 -0600
Subject: [PATCH 2/2] rmdir-errno: mark obsolete, it is unsafe for cross-
compilation
* modules/rmdir-errno (Status, Notice): Now obsolete.
Signed-off-by: Eric Blake <address@hidden>
---
ChangeLog | 3 +++
modules/rmdir-errno | 6 ++++++
2 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index c6b3e25..e7f3669 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
2009-09-16 Eric Blake <address@hidden>
+ rmdir-errno: mark obsolete, it is unsafe for cross-compilation
+ * modules/rmdir-errno (Status, Notice): Now obsolete.
+
rmdir: work around cygwin 1.5.x and mingw bugs
* m4/rmdir.m4 (gl_FUNC_RMDIR): Detect the bugs.
* lib/rmdir.c (rmdir): Work around it.
diff --git a/modules/rmdir-errno b/modules/rmdir-errno
index d0b81b6..ef02a95 100644
--- a/modules/rmdir-errno
+++ b/modules/rmdir-errno
@@ -1,6 +1,12 @@
Description:
rmdir errno for nonempty directories
+Status:
+obsolete
+
+Notice:
+This module is obsolete.
+
Files:
m4/rmdir-errno.m4
--
1.6.4.2
>From c433306b7db7440e27df2150decba6b89ecfc625 Mon Sep 17 00:00:00 2001
From: Eric Blake <address@hidden>
Date: Wed, 16 Sep 2009 13:21:46 -0600
Subject: [PATCH 3/2] openat-tests: ensure unlinkat behaves like rmdir
* tests/test-rmdir.c (main): Factor guts...
* tests/test-rmdir.h (test_rmdir_func): ...into new file.
* modules/rmdir-tests (Files): Ship new file.
* modules/openat-tests: New test.
* tests/test-unlinkat.c: Likewise.
Signed-off-by: Eric Blake <address@hidden>
---
ChangeLog | 7 +++
modules/openat-tests | 13 ++++++
modules/rmdir-tests | 1 +
tests/test-rmdir.c | 78 +--------------------------------
tests/{test-rmdir.c => test-rmdir.h} | 63 +++++++++-------------------
tests/test-unlinkat.c | 61 ++++++++++++++++++++++++++
6 files changed, 105 insertions(+), 118 deletions(-)
create mode 100644 modules/openat-tests
copy tests/{test-rmdir.c => test-rmdir.h} (63%)
create mode 100644 tests/test-unlinkat.c
diff --git a/ChangeLog b/ChangeLog
index e7f3669..94e07e6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,12 @@
2009-09-16 Eric Blake <address@hidden>
+ openat-tests: ensure unlinkat behaves like rmdir
+ * tests/test-rmdir.c (main): Factor guts...
+ * tests/test-rmdir.h (test_rmdir_func): ...into new file.
+ * modules/rmdir-tests (Files): Ship new file.
+ * modules/openat-tests: New test.
+ * tests/test-unlinkat.c: Likewise.
+
rmdir-errno: mark obsolete, it is unsafe for cross-compilation
* modules/rmdir-errno (Status, Notice): Now obsolete.
diff --git a/modules/openat-tests b/modules/openat-tests
new file mode 100644
index 0000000..a82a4f3
--- /dev/null
+++ b/modules/openat-tests
@@ -0,0 +1,13 @@
+Files:
+tests/test-rmdir.h
+tests/test-unlinkat.c
+
+Depends-on:
+
+configure.ac:
+AC_CHECK_FUNCS_ONCE([symlink])
+
+Makefile.am:
+TESTS += test-unlinkat
+check_PROGRAMS += test-unlinkat
+test_unlinkat_LDADD = $(LDADD) @LIBINTL@
diff --git a/modules/rmdir-tests b/modules/rmdir-tests
index f5b69f8..2a68120 100644
--- a/modules/rmdir-tests
+++ b/modules/rmdir-tests
@@ -1,4 +1,5 @@
Files:
+tests/test-rmdir.h
tests/test-rmdir.c
Depends-on:
diff --git a/tests/test-rmdir.c b/tests/test-rmdir.c
index 17fb0ff..6d55ea9 100644
--- a/tests/test-rmdir.c
+++ b/tests/test-rmdir.c
@@ -44,82 +44,10 @@
#define BASE "test-rmdir.t"
+#include "test-rmdir.h"
+
int
main ()
{
- /* Remove any leftovers from a previous partial run. */
- ASSERT (system ("rm -rf " BASE "*") == 0);
-
- /* Setup. */
- ASSERT (mkdir (BASE "dir", 0700) == 0);
- ASSERT (close (creat (BASE "dir/file", 0600)) == 0);
-
- /* Basic error conditions. */
- errno = 0;
- ASSERT (rmdir ("") == -1);
- ASSERT (errno == ENOENT);
- errno = 0;
- ASSERT (rmdir (BASE "nosuch") == -1);
- ASSERT (errno == ENOENT);
- errno = 0;
- ASSERT (rmdir (BASE "nosuch/") == -1);
- ASSERT (errno == ENOENT);
- errno = 0;
- ASSERT (rmdir (".") == -1);
- ASSERT (errno == EINVAL || errno == EBUSY);
- /* Resulting errno after ".." or "/" is too varied to test; it is
- reasonable to see any of EINVAL, EBUSY, EEXIST, ENOTEMPTY,
- EACCES, EPERM. */
- ASSERT (rmdir ("..") == -1);
- ASSERT (rmdir ("/") == -1);
- ASSERT (rmdir ("///") == -1);
- errno = 0;
- ASSERT (rmdir (BASE "dir/file/") == -1);
- ASSERT (errno == ENOTDIR);
-
- /* Non-empty directory. */
- errno = 0;
- ASSERT (rmdir (BASE "dir") == -1);
- ASSERT (errno == EEXIST || errno == ENOTEMPTY);
-
- /* Non-directory. */
- errno = 0;
- ASSERT (rmdir (BASE "dir/file") == -1);
- ASSERT (errno == ENOTDIR);
-
- /* Empty directory. */
- ASSERT (unlink (BASE "dir/file") == 0);
- errno = 0;
- ASSERT (rmdir (BASE "dir/./") == -1);
- ASSERT (errno == EINVAL);
- ASSERT (rmdir (BASE "dir") == 0);
-
- /* Test symlink behavior. Specifying trailing slash should remove
- referent directory (POSIX), or cause ENOTDIR failure (Linux), but
- not touch symlink. We prefer the Linux behavior for its
- intuitiveness (especially compared to rmdir("symlink-to-file/")),
- but not enough to penalize POSIX systems with an rpl_rmdir. */
- if (symlink (BASE "dir", BASE "link") != 0)
- {
- fputs ("skipping test: symlinks not supported on this filesystem\n",
- stderr);
- return 77;
- }
- ASSERT (mkdir (BASE "dir", 0700) == 0);
- errno = 0;
- if (rmdir (BASE "link/") == 0)
- {
- struct stat st;
- errno = 0;
- ASSERT (stat (BASE "link", &st) == -1);
- ASSERT (errno == ENOENT);
- }
- else
- {
- ASSERT (errno == ENOTDIR);
- ASSERT (rmdir (BASE "dir") == 0);
- }
- ASSERT (unlink (BASE "link") == 0);
-
- return 0;
+ return test_rmdir_func (rmdir);
}
diff --git a/tests/test-rmdir.c b/tests/test-rmdir.h
similarity index 63%
copy from tests/test-rmdir.c
copy to tests/test-rmdir.h
index 17fb0ff..bf8cbb4 100644
--- a/tests/test-rmdir.c
+++ b/tests/test-rmdir.h
@@ -16,36 +16,13 @@
/* Written by Eric Blake <address@hidden>, 2009. */
-#include <config.h>
+/* This file is designed to test both rmdir(n) and
+ unlinkat(AT_FDCWD,n,AT_REMOVEDIR). FUNC is the function to test.
+ Assumes that BASE and ASSERT are already defined, and that
+ appropriate headers are already included. */
-#include <unistd.h>
-
-#include <fcntl.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/stat.h>
-
-#if !HAVE_SYMLINK
-# define symlink(a,b) (-1)
-#endif
-
-#define ASSERT(expr) \
- do \
- { \
- if (!(expr)) \
- { \
- fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
- fflush (stderr); \
- abort (); \
- } \
- } \
- while (0)
-
-#define BASE "test-rmdir.t"
-
-int
-main ()
+static int
+test_rmdir_func (int (*func) (char const *name))
{
/* Remove any leftovers from a previous partial run. */
ASSERT (system ("rm -rf " BASE "*") == 0);
@@ -56,43 +33,43 @@ main ()
/* Basic error conditions. */
errno = 0;
- ASSERT (rmdir ("") == -1);
+ ASSERT (func ("") == -1);
ASSERT (errno == ENOENT);
errno = 0;
- ASSERT (rmdir (BASE "nosuch") == -1);
+ ASSERT (func (BASE "nosuch") == -1);
ASSERT (errno == ENOENT);
errno = 0;
- ASSERT (rmdir (BASE "nosuch/") == -1);
+ ASSERT (func (BASE "nosuch/") == -1);
ASSERT (errno == ENOENT);
errno = 0;
- ASSERT (rmdir (".") == -1);
+ ASSERT (func (".") == -1);
ASSERT (errno == EINVAL || errno == EBUSY);
/* Resulting errno after ".." or "/" is too varied to test; it is
reasonable to see any of EINVAL, EBUSY, EEXIST, ENOTEMPTY,
EACCES, EPERM. */
- ASSERT (rmdir ("..") == -1);
- ASSERT (rmdir ("/") == -1);
- ASSERT (rmdir ("///") == -1);
+ ASSERT (func ("..") == -1);
+ ASSERT (func ("/") == -1);
+ ASSERT (func ("///") == -1);
errno = 0;
- ASSERT (rmdir (BASE "dir/file/") == -1);
+ ASSERT (func (BASE "dir/file/") == -1);
ASSERT (errno == ENOTDIR);
/* Non-empty directory. */
errno = 0;
- ASSERT (rmdir (BASE "dir") == -1);
+ ASSERT (func (BASE "dir") == -1);
ASSERT (errno == EEXIST || errno == ENOTEMPTY);
/* Non-directory. */
errno = 0;
- ASSERT (rmdir (BASE "dir/file") == -1);
+ ASSERT (func (BASE "dir/file") == -1);
ASSERT (errno == ENOTDIR);
/* Empty directory. */
ASSERT (unlink (BASE "dir/file") == 0);
errno = 0;
- ASSERT (rmdir (BASE "dir/./") == -1);
+ ASSERT (func (BASE "dir/./") == -1);
ASSERT (errno == EINVAL);
- ASSERT (rmdir (BASE "dir") == 0);
+ ASSERT (func (BASE "dir") == 0);
/* Test symlink behavior. Specifying trailing slash should remove
referent directory (POSIX), or cause ENOTDIR failure (Linux), but
@@ -107,7 +84,7 @@ main ()
}
ASSERT (mkdir (BASE "dir", 0700) == 0);
errno = 0;
- if (rmdir (BASE "link/") == 0)
+ if (func (BASE "link/") == 0)
{
struct stat st;
errno = 0;
@@ -117,7 +94,7 @@ main ()
else
{
ASSERT (errno == ENOTDIR);
- ASSERT (rmdir (BASE "dir") == 0);
+ ASSERT (func (BASE "dir") == 0);
}
ASSERT (unlink (BASE "link") == 0);
diff --git a/tests/test-unlinkat.c b/tests/test-unlinkat.c
new file mode 100644
index 0000000..fb87a19
--- /dev/null
+++ b/tests/test-unlinkat.c
@@ -0,0 +1,61 @@
+/* Tests of unlinkat.
+ Copyright (C) 2009 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* Written by Eric Blake <address@hidden>, 2009. */
+
+#include <config.h>
+
+#include <unistd.h>
+
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/stat.h>
+
+#if !HAVE_SYMLINK
+# define symlink(a,b) (-1)
+#endif
+
+#define ASSERT(expr) \
+ do \
+ { \
+ if (!(expr)) \
+ { \
+ fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
+ fflush (stderr); \
+ abort (); \
+ } \
+ } \
+ while (0)
+
+#define BASE "test-unlinkat.t"
+
+#include "test-rmdir.h"
+
+/* Wrapper around unlinkat to test rmdir behavior. */
+static int
+rmdirat (char const *name)
+{
+ return unlinkat (AT_FDCWD, name, AT_REMOVEDIR);
+}
+
+int
+main ()
+{
+ /* FIXME: Add tests of unlinkat(,0), and of fd instead of AT_FDCWD. */
+ return test_rmdir_func (rmdirat);
+}
--
1.6.4.2
- mingw remove bug, Eric Blake, 2009/09/14
- Re: mingw remove bug, Ben Pfaff, 2009/09/14
- Re: mingw remove bug, Eric Blake, 2009/09/14
- Re: mingw remove bug, Ben Pfaff, 2009/09/14
- Re: mingw remove bug, Eric Blake, 2009/09/14
- Re: mingw remove bug, Eric Blake, 2009/09/16
- Re: mingw remove bug, Jim Meyering, 2009/09/16
- Re: mingw remove bug,
Eric Blake <=
- Re: mingw remove bug, Jim Meyering, 2009/09/17