/**
* @mainpage
*
- * This is the documentation for the library interface of wimlib 1.7.4, a C
+ * This is the documentation for the library interface of wimlib 1.8.0, a C
* library for creating, modifying, extracting, and mounting files in the
* Windows Imaging Format. This documentation is intended for developers only.
* If you have installed wimlib and want to know how to use the @b wimlib-imagex
#define WIMLIB_MAJOR_VERSION 1
/** Minor version of the library (for example, the 2 in 1.2.5). */
-#define WIMLIB_MINOR_VERSION 7
+#define WIMLIB_MINOR_VERSION 8
/** Patch version of the library (for example, the 5 in 1.2.5). */
-#define WIMLIB_PATCH_VERSION 4
+#define WIMLIB_PATCH_VERSION 0
#ifdef __cplusplus
extern "C" {
* later. Also, chunk sizes larger than <c>2^26</c> are not compatible
* with the Microsoft implementation.
*
- * wimlib's LZMS compressor is currently faster but will usually not
- * compress as much as the implementation in Microsoft's WIMGAPI
- * (Windows 8.1).
+ * wimlib's LZMS compressor will, with the default settings, usually
+ * produce a better compression ratio, and work more quickly, than the
+ * implementation in Microsoft's WIMGAPI (as of Windows 8.1). There is
+ * limited support for non-default compression levels, but compression
+ * will be noticably faster if you choose a level < 35.
*
* If using wimlib_create_compressor() to create an LZMS compressor
* directly, the @p max_block_size parameter may be any positive value
- * up to and including <c>1180427429</c>.
+ * up to and including <c>2^30</c>.
*/
WIMLIB_COMPRESSION_TYPE_LZMS = 3,
};
* solid resource in the WIM. */
uint64_t raw_resource_compressed_size;
- uint64_t reserved[2];
+ /** If @p packed is 1, then this will specify the uncompressed size of
+ * the solid resource in the WIM. */
+ uint64_t raw_resource_uncompressed_size;
+
+ uint64_t reserved[1];
};
/**
#define WIMLIB_WRITE_FLAG_RETAIN_GUID 0x00000800
/**
- * When writing streams in the resulting WIM file, combine multiple streams into
+ * When writing streams to the resulting WIM file, combine multiple streams into
* a single compressed resource instead of compressing them independently. This
* is also known as creating a "solid archive". This tends to produce a better
* compression ratio at the cost of much slower random access.
* all streams recompressed in solid mode.
*
* Currently, new solid resources will, by default, be written using LZMS
- * compression with 32 MiB (33554432 byte) chunks. Use
+ * compression with 64 MiB (67108864 byte) chunks. Use
* wimlib_set_output_pack_compression_type() and/or
* wimlib_set_output_pack_chunk_size() to change this. This is independent of
* the WIM's main compression type and chunk size; you can have a WIM that
* nominally uses LZX compression and 32768 byte chunks but actually contains
* LZMS-compressed solid resources, for example. However, if including solid
- * blocks, I suggest that you set the WIM's main compression type to LZMS as
+ * resources, I suggest that you set the WIM's main compression type to LZMS as
* well, either by creating the WIM with
* ::wimlib_create_new_wim(::WIMLIB_COMPRESSION_TYPE_LZMS, ...) or by calling
* ::wimlib_set_output_compression_type(..., ::WIMLIB_COMPRESSION_TYPE_LZMS).
*/
#define WIMLIB_WRITE_FLAG_SEND_DONE_WITH_FILE_MESSAGES 0x00002000
+/**
+ * If using solid compression, do not sort the streams ("files") to compress by
+ * estimated content similarily. This flag only has an effect if
+ * ::WIMLIB_WRITE_FLAG_SOLID is also specified.
+ */
+#define WIMLIB_WRITE_FLAG_NO_SOLID_SORT 0x00004000
+
/** @} */
/** @addtogroup G_general
* @{ */
size_t max_block_size,
unsigned int compression_level);
+#define WIMLIB_COMPRESSOR_FLAG_DESTRUCTIVE 0x80000000
+
/**
* Allocate a compressor for the specified compression type using the specified
* parameters. This function is part of wimlib's compression API; it is not
* The compression level does not affect the format of the compressed data.
* Therefore, it is a compressor-only parameter and does not need to be
* passed to the decompressor.
+ * <br/>
+ * Since wimlib v1.8.0, this parameter can be OR-ed with the flag
+ * ::WIMLIB_COMPRESSOR_FLAG_DESTRUCTIVE. This creates the compressor in a
+ * mode where it is allowed to modify the input buffer. Specifically, in
+ * this mode, if compression succeeds, the input buffer may have been
+ * modified, whereas if compression does not succeed the input buffer still
+ * may have been written to but will have been restored exactly to its
+ * original state. This mode is designed to save some memory when using
+ * large buffer sizes.
* @param compressor_ret
* A location into which to return the pointer to the allocated compressor.
* The allocated compressor can be used for any number of calls to
git://wimlib.net / wimlib / blobdiff