47e3cd0fdb
2000-05-07 NotZed <NotZed@HelixCode.com> * file.c (ibex_save): New function, only write out the ibex if it has changed. svn path=/trunk/; revision=2868
107 lines
3.3 KiB
C
107 lines
3.3 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
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/*
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* Copyright (C) 2000 Helix Code, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public License
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* as published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with the Gnome Library; see the file COPYING.LIB. If not,
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* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef IBEX_H
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#define IBEX_H
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <glib.h>
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struct ibex;
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typedef struct ibex ibex;
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/* All functions that can fail set errno and return NULL or -1 on
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* failure.
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*/
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/* Open the named ibex index file. If CREATE is true, create the file
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* if it doesn't already exist.
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*/
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ibex *ibex_open (char *file, int flags, int mode);
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/* Write the ibex to disk. */
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int ibex_write (ibex *ib);
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/* only save if ibex has changed. */
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int ibex_save (ibex *ib);
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/* Write the ibex to disk if it has changed, and free all memory
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* associated with it.
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*/
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int ibex_close (ibex *ib);
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/* Index the named file. (If the FILENAME is already in the index,
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* remove the old copy.
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*/
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int ibex_index_file (ibex *ib, char *filename);
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/* Index LEN bytes off FD, using NAME as the filename in the index.
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* (If NAME already exists in the index, this adds more data to it.)
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*/
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int ibex_index_fd (ibex *ib, char *name, int fd, size_t len);
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/* Like ibex_index_fd, but with a buffer rather than a file descriptor.
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* The buffer does not need to be '\0'-terminated. If UNREAD is not
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* NULL, then the indexer won't assume that the buffer ends on a word
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* boundary, and will return (in UNREAD) the number of bytes from the
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* end of the buffer that it didn't use, if any.
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*/
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int ibex_index_buffer (ibex *ib, char *name, char *buffer,
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size_t len, size_t *unread);
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/* Remove entries for a given file from the index. (Most of the removal
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* isn't actually done until the file is written out to disk, so this
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* is very fast.)
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*/
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void ibex_unindex (ibex *ib, char *name);
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/* Rename a file in the index. (This is also fast.) */
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void ibex_rename (ibex *ib, char *oldfilename, char *newfilename);
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/* Find a word in the index. Returns an array of strings: the caller
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* should free the array, but should not free or modify the strings.
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*/
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GPtrArray *ibex_find (ibex *ib, char *word);
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/* Find if a word is contained in a specific name reference.
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*/
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gboolean ibex_find_name (ibex *ib, char *name, char *word);
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/* has a file been indexed?
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*/
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gboolean ibex_contains_name(ibex *ib, char *name);
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/* Return all the files containing all of the words in the given
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* array. Returned data is like with ibex_find.
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*/
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GPtrArray *ibex_find_all (ibex *ib, GPtrArray *words);
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/* Debug function, dumps the whole index tree, showing removed files as well */
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void ibex_dump_all (ibex *ib);
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#endif /* ! IBEX_H */
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