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fix the span length

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This commit is contained in:
Adam Hathcock
2025-10-22 10:10:07 +01:00
parent 36c06c4089
commit 74e27c028e
2 changed files with 5 additions and 4 deletions
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2
src/SharpCompress/Compressors/Rar/UnpackV1/Unpack.cs
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@@ -1215,7 +1215,7 @@ internal sealed partial class Unpack : BitInput, IRarUnpack, IDisposable
}
// VM.Prepare(&VMCode[0],VMCodeSize,&Filter->Prg);
rarVM.prepare(VMCode, VMCodeSize, Filter.Program);
rarVM.prepare(VMCode.AsSpan(0, VMCodeSize), Filter.Program);
}
finally
{

7
src/SharpCompress/Compressors/Rar/VM/RarVM.cs
View File

@@ -776,9 +776,10 @@ internal sealed class RarVM : BitInput
}
}
public void prepare(ReadOnlySpan<byte> code, int codeSize, VMPreparedProgram prg)
public void prepare(ReadOnlySpan<byte> code, VMPreparedProgram prg)
{
InitBitInput();
var codeSize = code.Length;
var cpLength = Math.Min(MAX_SIZE, codeSize);
// memcpy(inBuf,Code,Min(CodeSize,BitInput::MAX_SIZE));
@@ -795,7 +796,7 @@ internal sealed class RarVM : BitInput
prg.CommandCount = 0;
if (xorSum == code[0])
{
var filterType = IsStandardFilter(code, codeSize);
var filterType = IsStandardFilter(code);
if (filterType != VMStandardFilters.VMSF_NONE)
{
var curCmd = new VMPreparedCommand();
@@ -1105,7 +1106,7 @@ internal sealed class RarVM : BitInput
}
}
private VMStandardFilters IsStandardFilter(ReadOnlySpan<byte> code, int codeSize)
private VMStandardFilters IsStandardFilter(ReadOnlySpan<byte> code)
{
VMStandardFilterSignature[] stdList =
{