unify-isiunlinkable.c (1209B)
1 // $Id$ --*- c -*-- 2 3 // Copyright (C) 2005 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de> 4 // 5 // This program is free software; you can redistribute it and/or modify 6 // it under the terms of the GNU General Public License as published by 7 // the Free Software Foundation; version 2 of the License. 8 // 9 // This program is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU General Public License for more details. 13 // 14 // You should have received a copy of the GNU General Public License 15 // along with this program; if not, write to the Free Software 16 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 17 18 19 #ifdef HAVE_CONFIG_H 20 # include <config.h> 21 #endif 22 23 #include "unify.h" 24 #include "vserver.h" 25 26 27 UnifyStatus 28 Unify_isIUnlinkable(char const *filename) 29 { 30 uint_least32_t const V = VC_IATTR_IUNLINK|VC_IATTR_IMMUTABLE; 31 32 uint_least32_t flags; 33 uint_least32_t mask = V; 34 35 if (vc_get_iattr(filename, 0, &flags, &mask)==-1 || (mask & V) != V) 36 return unifyUNSUPPORTED; 37 38 return (flags & V)==V ? unifyBUSY : unifyUINLINKABLE; 39 }