*
* @section sec_intro Introduction
*
- * This is the documentation for the library interface of wimlib 1.6.0, a C
+ * This is the documentation for the library interface of wimlib 1.6.1, 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_MINOR_VERSION 6
/** Patch version of the library (for example, the 5 in 1.2.5). */
-#define WIMLIB_PATCH_VERSION 0
+#define WIMLIB_PATCH_VERSION 1
#ifdef __cplusplus
extern "C" {
const wimlib_tchar *wim_target_path;
/** For ::WIMLIB_PROGRESS_MSG_SCAN_DENTRY and a status
- * of ::WIMLIB_SCAN_DENTRY_EXCLUDED_SYMLINK, this is the
- * target of the absolute symbolic link or junction
+ * of @p WIMLIB_SCAN_DENTRY_EXCLUDED_SYMLINK, this is
+ * the target of the absolute symbolic link or junction
* point. */
const wimlib_tchar *symlink_target;
};
/** Used to specify all images in the WIM. */
#define WIMLIB_ALL_IMAGES (-1)
+/** @} */
+
/**
* @ingroup G_modifying_wims
*
* images. No on-disk file is created until wimlib_write() is called.
*
* @param ctype
- * The type of compression to be used in the new WIM file. Must be
- * ::WIMLIB_COMPRESSION_TYPE_NONE, ::WIMLIB_COMPRESSION_TYPE_LZX, or
- * ::WIMLIB_COMPRESSION_TYPE_XPRESS.
+ * The type of compression to be used in the new WIM file, as one of the
+ * ::wimlib_compression_type constants.
* @param wim_ret
* On success, a pointer to an opaque ::WIMStruct for the new WIM file is
* written to the memory location pointed to by this paramater. The
* it.
* @return 0 on success; nonzero on error.
* @retval ::WIMLIB_ERR_INVALID_COMPRESSION_TYPE
- * @p ctype was not ::WIMLIB_COMPRESSION_TYPE_NONE,
- * ::WIMLIB_COMPRESSION_TYPE_LZX, or ::WIMLIB_COMPRESSION_TYPE_XPRESS.
+ * @p ctype was not a supported compression type.
* @retval ::WIMLIB_ERR_NOMEM
* Failed to allocate needed memory.
*/
wimlib_progress_func_t progress_func);
/**
- * Similar to wimlib_extract_paths(), but the paths to extract from the WIM
- * image are specified in the UTF-8 text file named by @p path_list_file which
- * itself contains the list of paths to use, one per line. Leading and trailing
- * whitespace, and otherwise empty lines and lines beginning with the ';'
- * character are ignored. No quotes are needed as paths are otherwise delimited
- * by the newline character.
+ * @ingroup G_extracting_wims
+ *
+ * Since wimlib v1.6.0: Similar to wimlib_extract_paths(), but the paths to
+ * extract from the WIM image are specified in the UTF-8 text file named by @p
+ * path_list_file which itself contains the list of paths to use, one per line.
+ * Leading and trailing whitespace, and otherwise empty lines and lines
+ * beginning with the ';' character are ignored. No quotes are needed as paths
+ * are otherwise delimited by the newline character.
*/
extern int
wimlib_extract_pathlist(WIMStruct *wim, int image,
wimlib_progress_func_t progress_func);
/**
- * Similar to wimlib_extract_files(), but the files or directories to extract
- * from the WIM image are specified as an array of paths.
+ * @ingroup G_extracting_wims
+ *
+ * Since wimlib v1.6.0: Similar to wimlib_extract_files(), but the files or
+ * directories to extract from the WIM image are specified as an array of paths.
*
* Each path will be extracted to a corresponding subdirectory of the @p target
* based on its location in the WIM image. For example, if one of the paths to
* Converts a ::wimlib_compression_type value into a string.
*
* @param ctype
- * ::WIMLIB_COMPRESSION_TYPE_NONE, ::WIMLIB_COMPRESSION_TYPE_LZX,
- * ::WIMLIB_COMPRESSION_TYPE_XPRESS, or another value.
+ * The ::wimlib_compression_type value to convert.
*
* @return
- * A statically allocated string: "None", "LZX", "XPRESS", or "Invalid",
- * respectively.
+ * A statically allocated string naming the compression algorithm,
+ * such as "None", "LZX", "XPRESS", or "Invalid".
*/
extern const wimlib_tchar *
wimlib_get_compression_type_string(int ctype);
* in the integrity table.
* @retval ::WIMLIB_ERR_INVALID_CHUNK_SIZE
* Resources in @p wim_file are compressed, but the chunk size was invalid
- * for the WIM's compression format.
+ * for the WIM's compression type.
* @retval ::WIMLIB_ERR_INVALID_COMPRESSION_TYPE
* The header of @p wim_file says that resources in the WIM are compressed,
- * but the header flag indicating LZX or XPRESS compression is not set.
+ * but the header flag for a recognized compression type is not set.
* @retval ::WIMLIB_ERR_INVALID_HEADER
* The header of @p wim_file was otherwise invalid.
* @retval ::WIMLIB_ERR_INVALID_INTEGRITY_TABLE
* wim_file contains an integrity table, but the integrity table is
* invalid.
* @retval ::WIMLIB_ERR_INVALID_LOOKUP_TABLE_ENTRY
- * The lookup table for the WIM contained duplicate entries that are not
- * for metadata resources, or it contained an entry with a SHA1 message
- * digest of all 0's.
+ * The lookup table for the WIM was invalid.
* @retval ::WIMLIB_ERR_INVALID_PARAM
* @p wim_ret was @c NULL.
* @retval ::WIMLIB_ERR_IS_SPLIT_WIM
* @retval ::WIMLIB_ERR_UNEXPECTED_END_OF_FILE
* Unexpected end-of-file while reading data from @p wim_file.
* @retval ::WIMLIB_ERR_UNKNOWN_VERSION
- * A number other than 0x10d00 is written in the version field of the WIM
- * header of @p wim_file. (May be a pre-Vista WIM.)
+ * The WIM version number was not recognized. (May be a pre-Vista WIM.)
* @retval ::WIMLIB_ERR_WIM_IS_READONLY
* ::WIMLIB_OPEN_FLAG_WRITE_ACCESS was specified but the WIM file was
* considered read-only because of any of the reasons mentioned in the
*
* @param wim
* ::WIMStruct for a WIM.
- * @param out_chunk_size
+ * @param chunk_size
* The chunk size (in bytes) to set. The valid chunk sizes are dependent
* on the compression format. The XPRESS and LZMS compression formats
* support chunk sizes that are powers of 2 with exponents between 15 and
* 26 inclusively, whereas the LZX compression format supports chunk sizes
* that are powers of 2 with exponents between 15 and 21 inclusively. As a
- * special case, if @p out_chunk_size is specified as 0, the chunk size is
- * set to the default for the currently selected output compression type.
+ * special case, if @p chunk_size is specified as 0, the chunk size is set
+ * to the default for the currently selected output compression type.
*
* @return 0 on success; nonzero on error.
*
* decompressors currently support sliding windows, and there also exist
* slightly different variants of these formats that are not supported
* unmodified.
- */
-
-/**
- * @ingroup G_compression
+ *
* @{
*/
uint32_t slow_reserved1 : 31;
- /** Matches with length (in bytes) longer than this
- * value are immediately taken without spending time on
- * minimum-cost measurements. Suggested value: 32. */
- uint32_t num_fast_bytes;
+ /** Matches with length (in bytes) greater than or equal
+ * to this value are immediately taken without spending
+ * time on minimum-cost measurements. Suggested value:
+ * 32. */
+ uint32_t nice_match_length;
/** Number of passes to compute a match/literal sequence
* for each LZX block. This is for an iterative
} alg_params;
};
+/** LZMS compression parameters that can optionally be passed to
+ * wimlib_create_compressor() with the compression type
+ * ::WIMLIB_COMPRESSION_TYPE_LZMS. */
+struct wimlib_lzms_compressor_params {
+ /** hdr.size Must be set to the size of this structure, in bytes. */
+ struct wimlib_compressor_params_header hdr;
+
+ /** Minimum match length to output. This must be at least 2. Suggested
+ * value: 2 */
+ uint32_t min_match_length;
+
+ /** Maximum match length to output. This must be at least @p
+ * min_match_length. Suggested value: @p UINT32_MAX. */
+ uint32_t max_match_length;
+
+ /** Matches with length (in bytes) greater than or equal to this value
+ * are immediately taken without spending time on minimum-cost
+ * measurements. The minimum of @p max_match_length and @p
+ * nice_match_length may not exceed 65536. Suggested value: 32. */
+ uint32_t nice_match_length;
+
+ /** Maximum depth to search for matches at each position. Suggested
+ * value: 50. */
+ uint32_t max_search_depth;
+
+ /** Maximum number of potentially good matches to consider at each
+ * position. Suggested value: 3. */
+ uint32_t max_matches_per_pos;
+
+ /** Length of the array for the near-optimal LZ parsing algorithm. This
+ * must be at least 1. Suggested value: 1024. */
+ uint32_t optim_array_length;
+
+ uint64_t reserved2[4];
+};
+
/** Opaque compressor handle. */
struct wimlib_compressor;
*
* @retval ::WIMLIB_ERR_INVALID_COMPRESSION_TYPE
* @p ctype was not a supported compression type.
+ * @retval ::WIMLIB_ERR_INVALID_PARAM
+ * @p params were invalid.
* @retval ::WIMLIB_ERR_NOMEM
* Not enough memory to duplicate the parameters (perhaps @c params->size
* was invalid).
wimlib_set_default_compressor_params(enum wimlib_compression_type ctype,
const struct wimlib_compressor_params_header *params);
+/**
+ * Returns the approximate number of bytes needed to allocate a compressor with
+ * wimlib_create_compressor() for the specified compression type, block size,
+ * and parameters. @p params may be @c NULL, in which case the current default
+ * parameters for @p ctype are used. Returns 0 if the compression type or
+ * parameters are invalid.
+ */
+extern uint64_t
+wimlib_get_compressor_needed_memory(enum wimlib_compression_type ctype,
+ size_t max_block_size,
+ const struct wimlib_compressor_params_header *params);
+
/**
* Allocate a compressor for the specified compression type using the specified
* parameters.
void *udata, unsigned ulen)
_wimlib_deprecated;
-/** @} */
-
+/**
+ * @}
+ */
#ifdef __cplusplus