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(Binary.CopyOverlapped): use Buffer.BlockCopy when destination precedes source.

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This commit is contained in:
morkt 2015-07-19 15:29:00 +04:00
parent 4f86894f9f
commit 7853d6a462
1 changed files with 14 additions and 7 deletions
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7
GameRes/Utility.cs
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@ -74,6 +74,8 @@ namespace GameRes.Utility
public static void CopyOverlapped (byte[] data, int src, int dst, int count) public static void CopyOverlapped (byte[] data, int src, int dst, int count)
{ {
int preceding = dst-src; int preceding = dst-src;
if (preceding > 0)
{
while (count > 0) while (count > 0)
{ {
if (preceding > count) if (preceding > count)
@ -84,6 +86,11 @@ namespace GameRes.Utility
count -= preceding; count -= preceding;
} }
} }
else
{
System.Buffer.BlockCopy (data, src, data, dst, count);
}
}
public static string GetCString (byte[] data, int index, int length_limit, Encoding enc) public static string GetCString (byte[] data, int index, int length_limit, Encoding enc)
{ {