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Diffstat (limited to 'cpukit/libfs/src/imfs/imfs_chown.c')
-rw-r--r--cpukit/libfs/src/imfs/imfs_chown.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/cpukit/libfs/src/imfs/imfs_chown.c b/cpukit/libfs/src/imfs/imfs_chown.c
new file mode 100644
index 0000000000..7f0c7b5688
--- /dev/null
+++ b/cpukit/libfs/src/imfs/imfs_chown.c
@@ -0,0 +1,56 @@
+/*
+ * IMFS_chown
+ *
+ * This routine is the implementation of the chown() system
+ * call for the IMFS.
+ *
+ * COPYRIGHT (c) 1989-1999.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ *
+ * $Id$
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <errno.h>
+#include <rtems/libio_.h>
+#include <rtems/seterr.h>
+#include "imfs.h"
+
+int IMFS_chown(
+ rtems_filesystem_location_info_t *pathloc, /* IN */
+ uid_t owner, /* IN */
+ gid_t group /* IN */
+)
+{
+ IMFS_jnode_t *jnode;
+#if defined(RTEMS_POSIX_API)
+ uid_t st_uid;
+#endif
+
+ jnode = (IMFS_jnode_t *) pathloc->node_access;
+
+ /*
+ * Verify I am the owner of the node or the super user.
+ */
+
+#if defined(RTEMS_POSIX_API)
+ st_uid = geteuid();
+
+ if ( ( st_uid != jnode->st_uid ) && ( st_uid != 0 ) )
+ rtems_set_errno_and_return_minus_one( EPERM );
+#endif
+
+ jnode->st_uid = owner;
+ jnode->st_gid = group;
+
+ IMFS_update_ctime( jnode );
+
+ return 0;
+}