# include "config.h"
#endif
+#include <stdlib.h>
+#include <string.h>
+
#include "wimlib.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);