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Ensured that space in newly allocated memory is zeroed by default. Fixed handling of Size manipulation to zero out bytes added. (bug: it zeroed out everything)

pull/60/head
David Hall 2019-04-08 11:54:24 -06:00
parent 51edbded7c
commit 65e1440ec0
1 changed files with 4 additions and 1 deletions
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5
Core/InteropServices/SafeMemoryHandle.cs
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@ -209,6 +209,7 @@ namespace Vanara.InteropServices
if (size == 0) return;
RuntimeHelpers.PrepareConstrainedRegions();
SetHandle(mm.AllocMem(sz = size));
Zero();
}
/// <summary>Initializes a new instance of the <see cref="SafeMemoryHandle{T}"/> class.</summary>
@ -238,8 +239,10 @@ namespace Vanara.InteropServices
}
else
{
if (value < 0) throw new ArgumentOutOfRangeException(nameof(value));
handle = IsInvalid ? mm.AllocMem(value) : mm.ReAllocMem(handle, value);
if (sz != 0) Marshal.Copy(new byte[value], 0, handle, value);
if (value > sz)
handle.Offset(sz).FillMemory(0, value - sz);
sz = value;
}
}