mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-30 12:43:41 +01:00
78 lines
1.6 KiB
C
78 lines
1.6 KiB
C
/** @file
|
|
Copyright (C) 2019, vit9696. All rights reserved.
|
|
|
|
All rights reserved.
|
|
|
|
This program and the accompanying materials
|
|
are licensed and made available under the terms and conditions of the BSD License
|
|
which accompanies this distribution. The full text of the license may be found at
|
|
http://opensource.org/licenses/bsd-license.php
|
|
|
|
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
|
|
**/
|
|
|
|
#include "zutil.h"
|
|
|
|
#include <Library/MemoryAllocationLib.h>
|
|
#include <Library/OcCompressionLib.h>
|
|
|
|
voidpf ZLIB_INTERNAL zcalloc (opaque, items, size)
|
|
voidpf opaque;
|
|
unsigned items;
|
|
unsigned size;
|
|
{
|
|
(void) opaque;
|
|
return (voidpf) AllocatePool (items * size);
|
|
}
|
|
|
|
void ZLIB_INTERNAL zcfree (opaque, ptr)
|
|
voidpf opaque;
|
|
voidpf ptr;
|
|
{
|
|
(void) opaque;
|
|
FreePool (ptr);
|
|
}
|
|
|
|
UINT8 *
|
|
CompressZLIB (
|
|
OUT UINT8 *Dst,
|
|
IN UINT32 DstLen,
|
|
IN CONST UINT8 *Src,
|
|
IN UINT32 SrcLen
|
|
)
|
|
{
|
|
uLongf ResultingLen = DstLen;
|
|
|
|
if (SrcLen > OC_COMPRESSION_MAX_LENGTH || DstLen > OC_COMPRESSION_MAX_LENGTH) {
|
|
return 0;
|
|
}
|
|
|
|
if (compress (Dst, &ResultingLen, Src, SrcLen) == Z_OK) {
|
|
return Dst + ResultingLen;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
UINTN
|
|
DecompressZLIB (
|
|
OUT UINT8 *Dst,
|
|
IN UINTN DstLen,
|
|
IN CONST UINT8 *Src,
|
|
IN UINTN SrcLen
|
|
)
|
|
{
|
|
uLongf ResultingLen = DstLen;
|
|
|
|
if (SrcLen > OC_COMPRESSION_MAX_LENGTH || DstLen > OC_COMPRESSION_MAX_LENGTH) {
|
|
return 0;
|
|
}
|
|
|
|
if (uncompress (Dst, &ResultingLen, Src, SrcLen) == Z_OK) {
|
|
return ResultingLen;
|
|
}
|
|
|
|
return 0;
|
|
}
|