From 16ab153f3a54194e3217fcf1a235904e4b61623b Mon Sep 17 00:00:00 2001 From: Przemyslaw Pawelczyk Date: Sun, 13 Sep 2015 22:12:14 +0200 Subject: Move source files to src/ directory. As a bonus you can build out-of-tree now via make -f. It's part of the work related to issue #22. --- src/metaentry.h | 97 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 src/metaentry.h (limited to 'src/metaentry.h') diff --git a/src/metaentry.h b/src/metaentry.h new file mode 100644 index 0000000..666c5af --- /dev/null +++ b/src/metaentry.h @@ -0,0 +1,97 @@ +/* + * Various functions to work with meta entries. + * + * Copyright (C) 2007 David Härdeman + * + * 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; only version 2 of the License is applicable. + * + * 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. + */ + +#ifndef METAENTRY_H +#define METAENTRY_H + +#include + +#include "settings.h" + +/* Data structure to hold all metadata for a file/dir */ +struct metaentry { + struct metaentry *next; /* For the metahash chains */ + struct metaentry *list; /* For creating additional lists of entries */ + + char *path; + unsigned int pathlen; + + char *owner; + char *group; + mode_t mode; + time_t mtime; + long mtimensec; + + unsigned int xattrs; + char **xattr_names; + ssize_t *xattr_lvalues; + char **xattr_values; +}; + +#define HASH_INDEXES 1024 + +/* Data structure to hold a number of metadata entries */ +struct metahash { + struct metaentry *bucket[HASH_INDEXES]; + unsigned int count; +}; + +/* Create a metaentry for the file/dir/etc at path */ +struct metaentry *mentry_create(const char *path); + +/* Recurses opath and adds metadata entries to the metaentry list */ +void mentries_recurse_path(const char *opath, struct metahash **mhash, msettings *st); + +/* Stores a metaentry list to a file */ +void mentries_tofile(const struct metahash *mhash, const char *path); + +/* Creates a metaentry list from a file */ +void mentries_fromfile(struct metahash **mhash, const char *path); + +/* Searches haystack for an xattr matching xattr number n in needle */ +int mentry_find_xattr(struct metaentry *haystack, + struct metaentry *needle, + unsigned n); + +#define DIFF_NONE 0x00 +#define DIFF_OWNER 0x01 +#define DIFF_GROUP 0x02 +#define DIFF_MODE 0x04 +#define DIFF_TYPE 0x08 +#define DIFF_MTIME 0x10 +#define DIFF_XATTR 0x20 +#define DIFF_ADDED 0x40 +#define DIFF_DELE 0x80 + +/* Compares two metaentries and returns an int with a bitmask of differences */ +int mentry_compare(struct metaentry *left, + struct metaentry *right, + msettings *st); + +/* Compares lists of real and stored metadata and calls pfunc for each */ +void mentries_compare(struct metahash *mhashreal, + struct metahash *mhashstored, + void (*pfunc)(struct metaentry *real, + struct metaentry *stored, + int cmp), + msettings *st); + +void mentries_dump(struct metahash *mhash); + +#endif /* METAENTRY_H */ -- cgit v1.2.1