mirror of
https://github.com/cmclark00/retro-imager.git
synced 2025-05-19 08:25:21 +01:00
Bump bundled libarchive version to 3.5.2
- Update bunlded libarchive version used on Windows/Mac - Enable requested zstd support while we are at it. Closes #211
This commit is contained in:
parent
03e083b4f3
commit
67618a2eac
1869 changed files with 166685 additions and 9489 deletions
83
dependencies/libarchive-3.5.2/libarchive/archive_crc32.h
vendored
Normal file
83
dependencies/libarchive-3.5.2/libarchive/archive_crc32.h
vendored
Normal file
|
@ -0,0 +1,83 @@
|
|||
/*-
|
||||
* Copyright (c) 2009 Joerg Sonnenberger
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
|
||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
||||
* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
* $FreeBSD: head/lib/libarchive/archive_crc32.h 201102 2009-12-28 03:11:36Z kientzle $
|
||||
*/
|
||||
|
||||
#ifndef ARCHIVE_CRC32_H
|
||||
#define ARCHIVE_CRC32_H
|
||||
|
||||
#ifndef __LIBARCHIVE_BUILD
|
||||
#error This header is only to be used internally to libarchive.
|
||||
#endif
|
||||
|
||||
/*
|
||||
* When zlib is unavailable, we should still be able to validate
|
||||
* uncompressed zip archives. That requires us to be able to compute
|
||||
* the CRC32 check value. This is a drop-in compatible replacement
|
||||
* for crc32() from zlib. It's slower than the zlib implementation,
|
||||
* but still pretty fast: This runs about 300MB/s on my 3GHz P4
|
||||
* compared to about 800MB/s for the zlib implementation.
|
||||
*/
|
||||
static unsigned long
|
||||
crc32(unsigned long crc, const void *_p, size_t len)
|
||||
{
|
||||
unsigned long crc2, b, i;
|
||||
const unsigned char *p = _p;
|
||||
static volatile int crc_tbl_inited = 0;
|
||||
static unsigned long crc_tbl[256];
|
||||
|
||||
if (!crc_tbl_inited) {
|
||||
for (b = 0; b < 256; ++b) {
|
||||
crc2 = b;
|
||||
for (i = 8; i > 0; --i) {
|
||||
if (crc2 & 1)
|
||||
crc2 = (crc2 >> 1) ^ 0xedb88320UL;
|
||||
else
|
||||
crc2 = (crc2 >> 1);
|
||||
}
|
||||
crc_tbl[b] = crc2;
|
||||
}
|
||||
crc_tbl_inited = 1;
|
||||
}
|
||||
|
||||
crc = crc ^ 0xffffffffUL;
|
||||
/* A use of this loop is about 20% - 30% faster than
|
||||
* no use version in any optimization option of gcc. */
|
||||
for (;len >= 8; len -= 8) {
|
||||
crc = crc_tbl[(crc ^ *p++) & 0xff] ^ (crc >> 8);
|
||||
crc = crc_tbl[(crc ^ *p++) & 0xff] ^ (crc >> 8);
|
||||
crc = crc_tbl[(crc ^ *p++) & 0xff] ^ (crc >> 8);
|
||||
crc = crc_tbl[(crc ^ *p++) & 0xff] ^ (crc >> 8);
|
||||
crc = crc_tbl[(crc ^ *p++) & 0xff] ^ (crc >> 8);
|
||||
crc = crc_tbl[(crc ^ *p++) & 0xff] ^ (crc >> 8);
|
||||
crc = crc_tbl[(crc ^ *p++) & 0xff] ^ (crc >> 8);
|
||||
crc = crc_tbl[(crc ^ *p++) & 0xff] ^ (crc >> 8);
|
||||
}
|
||||
while (len--)
|
||||
crc = crc_tbl[(crc ^ *p++) & 0xff] ^ (crc >> 8);
|
||||
return (crc ^ 0xffffffffUL);
|
||||
}
|
||||
|
||||
#endif
|
Loading…
Add table
Add a link
Reference in a new issue