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(ArcViewStream): limit memory mapped frame size.

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This commit is contained in:
morkt
2018-12-02 19:43:35 +04:00
parent b6d29c4075
commit e44198a132
1 changed files with 6 additions and 1 deletions
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7
GameRes/ArcStream.cs
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@@ -43,6 +43,7 @@ namespace GameRes
private int m_buffer_len; // length of bytes read in buffer private int m_buffer_len; // length of bytes read in buffer
private const int DefaultBufferSize = 0x1000; private const int DefaultBufferSize = 0x1000;
private const uint MaxFrameSize = 0x1000000; // 16MB
public string Name { get; set; } public string Name { get; set; }
public uint Signature { get { return ReadSignature(); } } public uint Signature { get { return ReadSignature(); } }
@@ -90,8 +91,12 @@ namespace GameRes
} }
public ArcViewStream (ArcView file, long offset, uint size, string name = null) public ArcViewStream (ArcView file, long offset, uint size, string name = null)
: this (new ArcView.Frame (file, offset, size), name)
{ {
m_view = new ArcView.Frame (file, offset, Math.Min (size, MaxFrameSize));
m_start = offset;
m_size = size;
m_position = 0;
Name = name;
} }
public ArcViewStream (ArcView.Frame view, long offset, uint size, string name = null) public ArcViewStream (ArcView.Frame view, long offset, uint size, string name = null)