* 25 33554432
* 26 67108864
*/
+
+ /* See the documentation for the --chunk-size option of `wimlib-imagex
+ * capture' for information about allowed chunk sizes. */
switch (ctype) {
case WIMLIB_COMPRESSION_TYPE_LZX:
- /* For LZX compression, the chunk size corresponds to the LZX
- * window size, which according the LZX specification can be any
- * power of 2 between 2^15 and 2^21, inclusively. All these are
- * supported by wimlib; however, unfortunately only 2^15 is
- * supported by WIMGAPI[1] so this value is used by default.
- *
- * [1] WIMGAPI (Windows 7) attempts to decompress LZX chunk
- * sizes > 2^15 but seems to have bug(s) that cause it to fail
- * or crash. (I tried several tweaks to the LZX data but none
- * resulted in successful decompression.) WIMGAPI (Windows 8)
- * appears to refuse to open WIMs with chunk size > 2^15
- * entirely. */
return order >= 15 && order <= 21;
case WIMLIB_COMPRESSION_TYPE_XPRESS:
- /* WIMGAPI (Windows 7, Windows 8) doesn't seem to support XPRESS
- * chunk size below 32768 bytes, but larger power-of-two sizes,
- * up ta 67108864 bytes, appear to work. (Note, however, that
- * the offsets of XPRESS matches are still limited to 65535
- * bytes even when a much larger chunk size is used!) */
- return order >= 15 && order <= 26;
-
case WIMLIB_COMPRESSION_TYPE_LZMS:
return order >= 15 && order <= 26;
}
}
/*
- * Calls a function on images in the WIM. If @image is WIMLIB_ALL_IMAGES, @visitor
- * is called on the WIM once for each image, with each image selected as the
- * current image in turn. If @image is a certain image, @visitor is called on
- * the WIM only once, with that image selected.
+ * Calls a function on images in the WIM. If @image is WIMLIB_ALL_IMAGES,
+ * @visitor is called on the WIM once for each image, with each image selected
+ * as the current image in turn. If @image is a certain image, @visitor is
+ * called on the WIM only once, with that image selected.
*/
int
for_image(WIMStruct *wim, int image, int (*visitor)(WIMStruct *))