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add exceptions for debugging

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This commit is contained in:
Matthias Mailänder
2015-06-06 13:39:01 +02:00
parent 1651bd817b
commit 07711f01b3
1 changed files with 9 additions and 0 deletions
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9
OpenRA.Game/FileSystem/MixFile.cs
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@@ -122,6 +122,15 @@ namespace OpenRA.FileSystem
static uint[] ReadBlocks(Stream s, long offset, int count)
{
if (offset < 0)
throw new ArgumentOutOfRangeException("offset", "Non-negative number required.");
if (count < 0)
throw new ArgumentOutOfRangeException("count", "Non-negative number required.");
if (offset + (count * 2) > s.Length)
throw new ArgumentException("Bytes to read {0} and offset {1} greater than stream length {2}.".F(count * 2, offset, s.Length));
s.Seek(offset, SeekOrigin.Begin);
// A block is a single encryption unit (represented as two 32-bit integers)