misc/libphysfs/lzma/C/Compress/Branch/BranchARM.c
author Wuzzy <Wuzzy2@mail.ru>
Thu, 19 Apr 2018 14:07:56 +0200
changeset 13343 0b12b0d0d12c
parent 12218 bb5522e88ab2
permissions -rw-r--r--
Fix outdated Qt CMake dependency for OS X
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/* BranchARM.c */
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#include "BranchARM.h"
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UInt32 ARM_Convert(Byte *data, UInt32 size, UInt32 nowPos, int encoding)
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{
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  UInt32 i;
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  for (i = 0; i + 4 <= size; i += 4)
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  {
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    if (data[i + 3] == 0xEB)
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    {
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      UInt32 dest;
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      UInt32 src = (data[i + 2] << 16) | (data[i + 1] << 8) | (data[i + 0]);
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      src <<= 2;
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      if (encoding)
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        dest = nowPos + i + 8 + src;
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      else
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        dest = src - (nowPos + i + 8);
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      dest >>= 2;
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      data[i + 2] = (Byte)(dest >> 16);
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      data[i + 1] = (Byte)(dest >> 8);
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      data[i + 0] = (Byte)dest;
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    }
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  }
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  return i;
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}