mirror of
https://github.com/Xevion/easy7zip.git
synced 2025-12-14 16:11:38 -06:00
Update to ZStandard 1.0.1
This commit is contained in:
51
C/zstd/mem.h
51
C/zstd/mem.h
@@ -1,37 +1,12 @@
|
||||
/* ******************************************************************
|
||||
mem.h
|
||||
low-level memory access routines
|
||||
Copyright (C) 2013-2015, Yann Collet.
|
||||
/**
|
||||
* Copyright (c) 2016-present, Yann Collet, Facebook, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This source code is licensed under the BSD-style license found in the
|
||||
* LICENSE file in the root directory of this source tree. An additional grant
|
||||
* of patent rights can be found in the PATENTS file in the same directory.
|
||||
*/
|
||||
|
||||
BSD 2-Clause License (http://www.opensource.org/licenses/bsd-license.php)
|
||||
|
||||
Redistribution and use in source and binary forms, with or without
|
||||
modification, are permitted provided that the following conditions are
|
||||
met:
|
||||
|
||||
* Redistributions of source code must retain the above copyright
|
||||
notice, this list of conditions and the following disclaimer.
|
||||
* 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 COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
"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 COPYRIGHT
|
||||
OWNER OR CONTRIBUTORS 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.
|
||||
|
||||
You can contact the author at :
|
||||
- FSE source repository : https://github.com/Cyan4973/FiniteStateEntropy
|
||||
- Public forum : https://groups.google.com/forum/#!forum/lz4c
|
||||
****************************************************************** */
|
||||
#ifndef MEM_H_MODULE
|
||||
#define MEM_H_MODULE
|
||||
|
||||
@@ -110,7 +85,7 @@ MEM_STATIC void MEM_check(void) { MEM_STATIC_ASSERT((sizeof(size_t)==4) || (size
|
||||
#ifndef MEM_FORCE_MEMORY_ACCESS /* can be defined externally, on command line for example */
|
||||
# if defined(__GNUC__) && ( defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || defined(__ARM_ARCH_6K__) || defined(__ARM_ARCH_6Z__) || defined(__ARM_ARCH_6ZK__) || defined(__ARM_ARCH_6T2__) )
|
||||
# define MEM_FORCE_MEMORY_ACCESS 2
|
||||
# elif defined(__INTEL_COMPILER) || \
|
||||
# elif defined(__INTEL_COMPILER) /*|| defined(_MSC_VER)*/ || \
|
||||
(defined(__GNUC__) && ( defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7S__) ))
|
||||
# define MEM_FORCE_MEMORY_ACCESS 1
|
||||
# endif
|
||||
@@ -142,7 +117,13 @@ MEM_STATIC void MEM_write64(void* memPtr, U64 value) { *(U64*)memPtr = value; }
|
||||
|
||||
/* __pack instructions are safer, but compiler specific, hence potentially problematic for some compilers */
|
||||
/* currently only defined for gcc and icc */
|
||||
typedef union { U16 u16; U32 u32; U64 u64; size_t st; } __attribute__((packed)) unalign;
|
||||
#if defined(_MSC_VER) || (defined(__INTEL_COMPILER) && defined(WIN32))
|
||||
__pragma( pack(push, 1) )
|
||||
typedef union { U16 u16; U32 u32; U64 u64; size_t st; } unalign;
|
||||
__pragma( pack(pop) )
|
||||
#else
|
||||
typedef union { U16 u16; U32 u32; U64 u64; size_t st; } __attribute__((packed)) unalign;
|
||||
#endif
|
||||
|
||||
MEM_STATIC U16 MEM_read16(const void* ptr) { return ((const unalign*)ptr)->u16; }
|
||||
MEM_STATIC U32 MEM_read32(const void* ptr) { return ((const unalign*)ptr)->u32; }
|
||||
|
||||
Reference in New Issue
Block a user