/*
* Copyright (C) 2013, 2014 Eric Biggers
*
- * This file is part of wimlib, a library for working with WIM files.
+ * This file is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the Free
+ * Software Foundation; either version 3 of the License, or (at your option) any
+ * later version.
*
- * wimlib 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 3 of the License, or (at your option)
- * any later version.
- *
- * wimlib 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
+ * This file 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 Lesser General Public License for more
* details.
*
- * You should have received a copy of the GNU General Public License
- * along with wimlib; if not, see http://www.gnu.org/licenses/.
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this file; if not, see http://www.gnu.org/licenses/.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
+#include <stdlib.h>
+#include <string.h>
+
#include "wimlib.h"
-#include "wimlib/assert.h"
#include "wimlib/error.h"
#include "wimlib/compressor_ops.h"
#include "wimlib/util.h"
-#include <stdlib.h>
-#include <string.h>
-
struct wimlib_compressor {
const struct compressor_ops *ops;
void *private;
size_t max_block_size,
unsigned int compression_level)
{
+ bool destructive;
const struct compressor_ops *ops;
u64 size;
+ destructive = (compression_level & WIMLIB_COMPRESSOR_FLAG_DESTRUCTIVE);
+ compression_level &= ~WIMLIB_COMPRESSOR_FLAG_DESTRUCTIVE;
+
if (!compressor_ctype_valid(ctype))
return 0;
+ if (compression_level > 0xFFFFFF)
+ return 0;
+
if (max_block_size == 0)
return 0;
compression_level = DEFAULT_COMPRESSION_LEVEL;
if (ops->get_needed_memory) {
- size = ops->get_needed_memory(max_block_size, compression_level);
+ size = ops->get_needed_memory(max_block_size, compression_level,
+ destructive);
/* 0 is never valid and indicates an invalid max_block_size. */
if (size == 0)
unsigned int compression_level,
struct wimlib_compressor **c_ret)
{
+ bool destructive;
struct wimlib_compressor *c;
+ destructive = (compression_level & WIMLIB_COMPRESSOR_FLAG_DESTRUCTIVE);
+ compression_level &= ~WIMLIB_COMPRESSOR_FLAG_DESTRUCTIVE;
+
if (!compressor_ctype_valid(ctype))
return WIMLIB_ERR_INVALID_COMPRESSION_TYPE;
+ if (compression_level > 0xFFFFFF)
+ return WIMLIB_ERR_INVALID_PARAM;
+
if (c_ret == NULL)
return WIMLIB_ERR_INVALID_PARAM;
ret = c->ops->create_compressor(max_block_size,
compression_level,
+ destructive,
&c->private);
if (ret) {
FREE(c);