/*-

 * Copyright (c) 2003-2007 Tim Kientzle

 * 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 AUTHOR(S) ``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 AUTHOR(S) 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.

 */

#include "archive_platform.h"

__FBSDID("$FreeBSD: src/lib/libarchive/archive_write_open_file.c,v 1.19 2007/01/09 08:05:56 kientzle Exp $");

#ifdef HAVE_SYS_STAT_H

#include <sys/stat.h>

#endif

#ifdef HAVE_ERRNO_H

#include <errno.h>

#endif

#ifdef HAVE_FCNTL_H

#include <fcntl.h>

#endif

#ifdef HAVE_STDLIB_H

#include <stdlib.h>

#endif

#ifdef HAVE_STRING_H

#include <string.h>

#endif

#ifdef HAVE_UNISTD_H

#include <unistd.h>

#endif

#include "archive.h"

struct write_FILE_data {

	FILE		*f;

};

static int	file_close(struct archive *, void *);

static int	file_open(struct archive *, void *);

static ssize_t	file_write(struct archive *, void *, const void *buff, size_t);

int

archive_write_open_FILE(struct archive *a, FILE *f)

{

	struct write_FILE_data *mine;

	mine = (struct write_FILE_data *)malloc(sizeof(*mine));

	if (mine == NULL) {

		archive_set_error(a, ENOMEM, "No memory");

		return (ARCHIVE_FATAL);

	}

	mine->f = f;

	return (archive_write_open(a, mine,

		    file_open, file_write, file_close));

}

static int

file_open(struct archive *a, void *client_data)

{

	(void)a; /* UNUSED */

	(void)client_data; /* UNUSED */

	return (ARCHIVE_OK);

}

static ssize_t

file_write(struct archive *a, void *client_data, const void *buff, size_t length)

{

	struct write_FILE_data	*mine;

	size_t	bytesWritten;

	mine = client_data;

	for (;;) {

		bytesWritten = fwrite(buff, 1, length, mine->f);

		if (bytesWritten <= 0) {

			if (errno == EINTR)

				continue;

			archive_set_error(a, errno, "Write error");

			return (-1);

		}

		return (bytesWritten);

	}

}

static int

file_close(struct archive *a, void *client_data)

{

	struct write_FILE_data	*mine = client_data;

	(void)a; /* UNUSED */

	free(mine);

	return (ARCHIVE_OK);

}