mirror of
https://github.com/corda/corda.git
synced 2025-01-07 13:38:47 +00:00
a1e9315fa2
This includes some tweaks to README.md and makefile to ensure the directions in the former for building a bootimage actually work.
80 lines
1.8 KiB
C++
80 lines
1.8 KiB
C++
/* Copyright (c) 2008-2014, Avian Contributors
|
|
|
|
Permission to use, copy, modify, and/or distribute this software
|
|
for any purpose with or without fee is hereby granted, provided
|
|
that the above copyright notice and this permission notice appear
|
|
in all copies.
|
|
|
|
There is NO WARRANTY for this software. See license.txt for
|
|
details. */
|
|
|
|
#include "avian/lzma-util.h"
|
|
#include "C/LzmaEnc.h"
|
|
|
|
using namespace vm;
|
|
|
|
namespace {
|
|
|
|
SRes myProgress(void*, UInt64, UInt64)
|
|
{
|
|
return SZ_OK;
|
|
}
|
|
|
|
} // namespace
|
|
|
|
namespace vm {
|
|
|
|
uint8_t* encodeLZMA(System* s,
|
|
avian::util::Alloc* a,
|
|
uint8_t* in,
|
|
unsigned inSize,
|
|
unsigned* outSize)
|
|
{
|
|
const unsigned PropHeaderSize = 5;
|
|
const unsigned HeaderSize = 13;
|
|
|
|
unsigned bufferSize = inSize * 2;
|
|
|
|
uint8_t* buffer = static_cast<uint8_t*>(a->allocate(bufferSize));
|
|
|
|
LzmaAllocator allocator(a);
|
|
|
|
CLzmaEncProps props;
|
|
LzmaEncProps_Init(&props);
|
|
props.level = 9;
|
|
props.writeEndMark = 1;
|
|
|
|
ICompressProgress progress = {myProgress};
|
|
|
|
SizeT propsSize = PropHeaderSize;
|
|
|
|
int32_t inSize32 = inSize;
|
|
memcpy(buffer + PropHeaderSize, &inSize32, 4);
|
|
|
|
SizeT outSizeT = bufferSize;
|
|
int result = LzmaEncode(buffer + HeaderSize,
|
|
&outSizeT,
|
|
in,
|
|
inSize,
|
|
&props,
|
|
buffer,
|
|
&propsSize,
|
|
1,
|
|
&progress,
|
|
&(allocator.allocator),
|
|
&(allocator.allocator));
|
|
|
|
expect(s, result == SZ_OK);
|
|
|
|
*outSize = outSizeT + HeaderSize;
|
|
|
|
uint8_t* out = static_cast<uint8_t*>(a->allocate(*outSize));
|
|
memcpy(out, buffer, *outSize);
|
|
|
|
a->free(buffer, bufferSize);
|
|
|
|
return out;
|
|
}
|
|
|
|
} // namespace vm
|