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/* $NetBSD: pkg_io.c,v 1.1 2008/04/04 15:21:32 joerg Exp $ */
/*-
* Copyright (c) 2008 Joerg Sonnenberger <joerg@NetBSD.org>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <nbcompat.h>
#if HAVE_SYS_CDEFS_H
#include <sys/cdefs.h>
#endif
__RCSID("$NetBSD: pkg_io.c,v 1.1 2008/04/04 15:21:32 joerg Exp $");
#include <archive.h>
#include <archive_entry.h>
#if HAVE_ERR_H
#include <err.h>
#endif
#if HAVE_ERRNO_H
#include <errno.h>
#endif
#include <fetch.h>
#include <stdlib.h>
#include "lib.h"
struct fetch_archive {
const char *url;
fetchIO *fetch;
char buffer[32768];
};
static int
fetch_archive_open(struct archive *a, void *client_data)
{
struct fetch_archive *f = client_data;
f->fetch = fetchGetURL(f->url, "");
if (f->fetch == NULL)
return ENOENT;
return 0;
}
static ssize_t
fetch_archive_read(struct archive *a, void *client_data,
const void **buffer)
{
struct fetch_archive *f = client_data;
*buffer = f->buffer;
return fetchIO_read(f->fetch, f->buffer, sizeof(f->buffer));
}
static int
fetch_archive_close(struct archive *a, void *client_data)
{
struct fetch_archive *f = client_data;
if (f->fetch != NULL)
fetchIO_close(f->fetch);
return 0;
}
struct archive *
open_remote_archive(const char *url, void **cookie)
{
struct fetch_archive *f;
struct archive *archive;
f = malloc(sizeof(*f));
if (f == NULL)
err(2, "cannot allocate memory for remote archive");
f->url = url;
archive = archive_read_new();
archive_read_support_compression_all(archive);
archive_read_support_format_all(archive);
if (archive_read_open(archive, f, fetch_archive_open, fetch_archive_read,
fetch_archive_close))
errx(2, "cannot open archive: %s", archive_error_string(archive));
*cookie = f;
return archive;
}
void
close_remote_archive(void *cookie)
{
free(cookie);
}
struct archive *
open_local_archive(const char *path, void **cookie)
{
struct archive *archive;
archive = archive_read_new();
archive_read_support_compression_all(archive);
archive_read_support_format_all(archive);
if (archive_read_open_filename(archive, path, 1024))
errx(2, "cannot open archive: %s",
archive_error_string(archive));
*cookie = NULL;
return archive;
}
void
close_local_archive(void *cookie)
{
}
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