# HG changeset patch
# User Bruno Haible <bruno@clisp.org>
# Date 1252269415 -7200
# Node ID ebddaf9cb5db9258ca8b81bb0bd6de238fce4f72
# Parent  a23404c3998054ada8384e56d21dd7720765e36c
Set errno to ENOSYS when a function is entirely unsupported.

diff --git a/ChangeLog b/ChangeLog
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2009-09-06  Bruno Haible  <bruno@clisp.org>
+
+	Set errno to ENOSYS when a function is entirely unsupported.
+	* lib/chown.c (rpl_chown) [!HAVE_CHOWN]: Set errno to ENOSYS instead of
+	EOPNOTSUPP.
+	* lib/lchown.c (lchown) [!HAVE_CHOWN]: Likewise.
+	* modules/chown (Depends-on): Remove errno.
+
 2009-09-06  Bruno Haible  <bruno@clisp.org>
 
 	* doc/posix-headers/fcntl.texi (AT_*): Mention affected platforms.
diff --git a/lib/chown.c b/lib/chown.c
--- a/lib/chown.c
+++ b/lib/chown.c
@@ -103,7 +103,7 @@
   return chown (file, uid, gid);
 
 #else /* !HAVE_CHOWN */
-  errno = EOPNOTSUPP;
+  errno = ENOSYS;
   return -1;
 #endif
 }
diff --git a/lib/lchown.c b/lib/lchown.c
--- a/lib/lchown.c
+++ b/lib/lchown.c
@@ -52,7 +52,7 @@
   return chown (file, uid, gid);
 
 #else /* !HAVE_CHOWN */
-  errno = EOPNOTSUPP;
+  errno = ENOSYS;
   return -1;
 #endif
 }
diff --git a/modules/chown b/modules/chown
--- a/modules/chown
+++ b/modules/chown
@@ -7,7 +7,6 @@
 m4/chown.m4
 
 Depends-on:
-errno
 open
 unistd
 sys_stat