mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-25 16:37:42 +01:00
78 lines
1.6 KiB
C
78 lines
1.6 KiB
C
/** @file
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Copyright (C) 2019, vit9696. All rights reserved.
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All rights reserved.
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "zutil.h"
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#include <Library/MemoryAllocationLib.h>
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#include <Library/OcCompressionLib.h>
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voidpf ZLIB_INTERNAL zcalloc (opaque, items, size)
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voidpf opaque;
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unsigned items;
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unsigned size;
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{
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(void) opaque;
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return (voidpf) AllocatePool (items * size);
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}
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void ZLIB_INTERNAL zcfree (opaque, ptr)
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voidpf opaque;
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voidpf ptr;
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{
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(void) opaque;
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FreePool (ptr);
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}
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UINT8 *
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CompressZLIB (
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OUT UINT8 *Dst,
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IN UINT32 DstLen,
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IN CONST UINT8 *Src,
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IN UINT32 SrcLen
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)
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{
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uLongf ResultingLen = DstLen;
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if (SrcLen > OC_COMPRESSION_MAX_LENGTH || DstLen > OC_COMPRESSION_MAX_LENGTH) {
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return 0;
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}
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if (compress (Dst, &ResultingLen, Src, SrcLen) == Z_OK) {
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return Dst + ResultingLen;
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}
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return NULL;
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}
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UINTN
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DecompressZLIB (
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OUT UINT8 *Dst,
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IN UINTN DstLen,
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IN CONST UINT8 *Src,
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IN UINTN SrcLen
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)
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{
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uLongf ResultingLen = DstLen;
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if (SrcLen > OC_COMPRESSION_MAX_LENGTH || DstLen > OC_COMPRESSION_MAX_LENGTH) {
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return 0;
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}
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if (uncompress (Dst, &ResultingLen, Src, SrcLen) == Z_OK) {
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return ResultingLen;
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}
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return 0;
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}
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