unify.h (2214B)
1 // $Id$ --*- c -*-- 2 3 // Copyright (C) 2004 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 #ifndef H_UTIL_VSERVER_LIB_INTERNAL_UNIFY_H 20 #define H_UTIL_VSERVER_LIB_INTERNAL_UNIFY_H 21 22 #include <sys/stat.h> 23 #include <stdbool.h> 24 25 bool 26 Unify_unify(char const *src, struct stat const *src_stat, 27 char const *dst, bool ignore_zero) NONNULL((1,2,3)); 28 29 bool 30 Unify_copy(char const *src, struct stat const *src_stat, 31 char const *dst) NONNULL((1,2,3)); 32 33 bool 34 Unify_deUnify(char const *dst) NONNULL((1)); 35 36 bool 37 Unify_setTime(char const *dst, struct stat const *stat) NONNULL((1,2)); 38 39 40 typedef enum { unifyUNSUPPORTED, unifyUINLINKABLE, unifyBUSY } UnifyStatus; 41 42 UnifyStatus 43 Unify_isIUnlinkable(char const *filename) NONNULL((1)); 44 45 #define Unify_isUnified(LHS, RHS) \ 46 ((bool)((LHS)->st_dev ==(RHS)->st_dev && \ 47 (LHS)->st_ino ==(RHS)->st_ino)) 48 49 #define _Unify_isUnifyable(LHS, RHS) \ 50 ((bool)((LHS)->st_dev ==(RHS)->st_dev && \ 51 (LHS)->st_ino !=(RHS)->st_ino && \ 52 (LHS)->st_mode ==(RHS)->st_mode && \ 53 (LHS)->st_uid ==(RHS)->st_uid && \ 54 (LHS)->st_gid ==(RHS)->st_gid && \ 55 (LHS)->st_size ==(RHS)->st_size)) 56 #ifdef UTIL_VSERVER_UNIFY_MTIME_OPTIONAL 57 # define Unify_isUnifyable(LHS, RHS) \ 58 ((bool)(_Unify_isUnifyable(LHS, RHS) && \ 59 (global_args->ignore_mtime || \ 60 (LHS)->st_mtime==(RHS)->st_mtime))) 61 #else 62 # define Unify_isUnifyable(LHS, RHS) \ 63 ((bool)(_Unify_isUnifyable(LHS, RHS) && \ 64 (LHS)->st_mtime==(RHS)->st_mtime)) 65 #endif 66 67 68 #endif // H_UTIL_VSERVER_LIB_INTERNAL_UNIFY_H