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path: root/lib/libalpm/db.c
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/*
 *  db.c
 * 
 *  Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
 * 
 *  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; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 
 *  USA.
 */

#include "config.h"
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <sys/stat.h>
#include <dirent.h>
#ifdef CYGWIN
#include <limits.h> /* PATH_MAX */
#endif
/* pacman */
#include "log.h"
#include "util.h"
#include "error.h"
#include "db.h"
#include "alpm.h"

pmdb_t *_alpm_db_new(char *root, char* dbpath, char *treename)
{
	pmdb_t *db;

	db = (pmdb_t *)malloc(sizeof(pmdb_t));
	if(db == NULL) {
		_alpm_log(PM_LOG_ERROR, "malloc failed: could not allocate %d bytes",
		                        sizeof(pmdb_t));
		RET_ERR(PM_ERR_MEMORY, NULL);
	}

	db->path = (char *)malloc(strlen(root)+strlen(dbpath)+strlen(treename)+2);
	if(db->path == NULL) {
		_alpm_log(PM_LOG_ERROR, "malloc failed: could not allocate %d bytes",
		                        strlen(root)+strlen(dbpath)+strlen(treename)+2);
		FREE(db);
		RET_ERR(PM_ERR_MEMORY, NULL);
	}
	sprintf(db->path, "%s%s/%s", root, dbpath, treename);

	STRNCPY(db->treename, treename, DB_TREENAME_LEN);

	db->pkgcache = NULL;
	db->grpcache = NULL;

	return(db);
}

void _alpm_db_free(void *data)
{
	pmdb_t *db = data;

	if(db == NULL) {
		return;
	}

	free(db->path);
	free(db);
}

int _alpm_db_cmp(const void *db1, const void *db2)
{
	return(strcmp(((pmdb_t *)db1)->treename, ((pmdb_t *)db2)->treename));
}

/* vim: set ts=2 sw=2 noet: */