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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Copyright (C) 2000 Helix Code, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public License
* as published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with the Gnome Library; see the file COPYING.LIB. If not,
* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/* index.c: high-level indexing ops */
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include "ibex_internal.h"
/* Index a file, given its name. (Replace any previously indexed contents
* of this file with the new contents.)
*/
int
ibex_index_file (ibex *ib, char *filename)
{
int fd;
int status;
struct stat st;
fd = open (filename, O_RDONLY);
if (fd < 0)
return -1;
if (fstat (fd, &st) == -1) {
close (fd);
return -1;
}
if (!S_ISREG (st.st_mode)) {
close (fd);
errno = EINVAL;
return -1;
}
ibex_unindex (ib, filename);
status = ibex_index_fd (ib, filename, fd, st.st_size);
close (fd);
return status;
}
/* Given a file descriptor and a name to refer to it by, index LEN
* bytes of data from it.
*/
int
ibex_index_fd (ibex *ib, char *name, int fd, size_t len)
{
char *buf;
int off = 0, nread, status;
buf = g_malloc (len);
do {
nread = read (fd, buf + off, len - off);
if (nread == -1) {
g_free (buf);
return -1;
}
off += nread;
} while (off != len);
status = ibex_index_buffer (ib, name, buf, len, NULL);
g_free (buf);
return status;
}
void
ibex_unindex (ibex *ib, char *name)
{
ibex_file *ibf;
ibf = g_tree_lookup (ib->files, name);
if (ibf) {
ibf->index = -1;
g_tree_remove (ib->files, name);
g_ptr_array_add (ib->oldfiles, ibf);
}
}
void
ibex_rename (ibex *ib, char *oldname, char *newname)
{
ibex_file *ibf;
ibf = g_tree_lookup (ib->files, oldname);
if (ibf) {
g_tree_remove (ib->files, oldname);
g_free (ibf->name);
ibf->name = g_strdup (newname);
g_tree_insert (ib->files, ibf->name, ibf);
}
}
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