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Diffstat (limited to 'vendor/github.com/xi2/xz/dec_xz.go')
| -rw-r--r-- | vendor/github.com/xi2/xz/dec_xz.go | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/vendor/github.com/xi2/xz/dec_xz.go b/vendor/github.com/xi2/xz/dec_xz.go deleted file mode 100644 index 1b18a83..0000000 --- a/vendor/github.com/xi2/xz/dec_xz.go +++ /dev/null @@ -1,124 +0,0 @@ -/* - * XZ decompressor - * - * Authors: Lasse Collin <lasse.collin@tukaani.org> - * Igor Pavlov <http://7-zip.org/> - * - * Translation to Go: Michael Cross <https://github.com/xi2> - * - * This file has been put into the public domain. - * You can do whatever you want with this file. - */ - -package xz - -/* from linux/include/linux/xz.h **************************************/ - -/** - * xzRet - Return codes - * @xzOK: Everything is OK so far. More input or more - * output space is required to continue. - * @xzStreamEnd: Operation finished successfully. - * @xzUnSupportedCheck: Integrity check type is not supported. Decoding - * is still possible by simply calling xzDecRun - * again. - * @xzMemlimitError: A bigger LZMA2 dictionary would be needed than - * allowed by the dictMax argument given to - * xzDecInit. - * @xzFormatError: File format was not recognized (wrong magic - * bytes). - * @xzOptionsError: This implementation doesn't support the requested - * compression options. In the decoder this means - * that the header CRC32 matches, but the header - * itself specifies something that we don't support. - * @xzDataError: Compressed data is corrupt. - * @xzBufError: Cannot make any progress. - * - * xzBufError is returned when two consecutive calls to XZ code cannot - * consume any input and cannot produce any new output. This happens - * when there is no new input available, or the output buffer is full - * while at least one output byte is still pending. Assuming your code - * is not buggy, you can get this error only when decoding a - * compressed stream that is truncated or otherwise corrupt. - */ -type xzRet int - -const ( - xzOK xzRet = iota - xzStreamEnd - xzUnsupportedCheck - xzMemlimitError - xzFormatError - xzOptionsError - xzDataError - xzBufError -) - -/** - * xzBuf - Passing input and output buffers to XZ code - * @in: Input buffer. - * @inPos: Current position in the input buffer. This must not exceed - * input buffer size. - * @out: Output buffer. - * @outPos: Current position in the output buffer. This must not exceed - * output buffer size. - * - * Only the contents of the output buffer from out[outPos] onward, and - * the variables inPos and outPos are modified by the XZ code. - */ -type xzBuf struct { - in []byte - inPos int - out []byte - outPos int -} - -/* All XZ filter IDs */ -type xzFilterID int64 - -const ( - idDelta xzFilterID = 0x03 - idBCJX86 xzFilterID = 0x04 - idBCJPowerPC xzFilterID = 0x05 - idBCJIA64 xzFilterID = 0x06 - idBCJARM xzFilterID = 0x07 - idBCJARMThumb xzFilterID = 0x08 - idBCJSPARC xzFilterID = 0x09 - idLZMA2 xzFilterID = 0x21 -) - -// CheckID is the type of the data integrity check in an XZ stream -// calculated from the uncompressed data. -type CheckID int - -func (id CheckID) String() string { - switch id { - case CheckNone: - return "None" - case CheckCRC32: - return "CRC32" - case CheckCRC64: - return "CRC64" - case CheckSHA256: - return "SHA256" - default: - return "Unknown" - } -} - -const ( - CheckNone CheckID = 0x00 - CheckCRC32 CheckID = 0x01 - CheckCRC64 CheckID = 0x04 - CheckSHA256 CheckID = 0x0A - checkMax CheckID = 0x0F - checkUnset CheckID = -1 -) - -// An XZ stream contains a stream header which holds information about -// the stream. That information is exposed as fields of the -// Reader. Currently it contains only the stream's data integrity -// check type. -type Header struct { - CheckType CheckID // type of the stream's data integrity check -} |