summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorPaul Eggert <eggert@cs.ucla.edu>2006-01-02 06:34:32 +0000
committerPaul Eggert <eggert@cs.ucla.edu>2006-01-02 06:34:32 +0000
commite59703a1d682e2fee177637c8abe68caab66cea2 (patch)
tree35840c98fc79cce2e9e2d47ca533dd37d55d4cdd
parent968bee81e8d356e19cddb7c74ccfe16c815ef3c5 (diff)
downloadcoreutils-e59703a1d682e2fee177637c8abe68caab66cea2.tar.xz
New file.
-rw-r--r--lib/lchmod.h35
-rw-r--r--m4/lchmod.m415
2 files changed, 50 insertions, 0 deletions
diff --git a/lib/lchmod.h b/lib/lchmod.h
new file mode 100644
index 000000000..d12f94abf
--- /dev/null
+++ b/lib/lchmod.h
@@ -0,0 +1,35 @@
+/* Provide a replacement for lchmod on hosts that lack it.
+
+ Copyright (C) 2005 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 2, 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, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
+
+/* Written by Paul Eggert. */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#ifndef HAVE_LCHMOD
+
+/* The lchmod replacement follows symbolic links. Callers should take
+ this into account; lchmod should be applied only to arguments that
+ are known to not be symbolic links. On hosts that lack lchmod,
+ this can lead to race conditions between the check and the
+ invocation of lchmod, but we know of no workarounds that are
+ reliable in general. You might try requesting support for lchmod
+ from your operating system supplier. */
+
+# define lchmod chmod
+#endif
diff --git a/m4/lchmod.m4 b/m4/lchmod.m4
new file mode 100644
index 000000000..d035bba28
--- /dev/null
+++ b/m4/lchmod.m4
@@ -0,0 +1,15 @@
+#serial 1
+
+dnl Copyright (C) 2005 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl From Paul Eggert.
+dnl Provide a replacement for lchmod on hosts that lack it.
+
+AC_DEFUN([gl_FUNC_LCHMOD],
+[
+ AC_LIBSOURCES([lchmod.h])
+ AC_CHECK_FUNCS_ONCE([lchmod])
+])