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Prevent CMemoryFile to seek to a point before the start.

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git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6348 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien 2022-04-20 21:57:25 +00:00
parent 3f2f98d7bd
commit 9504b3da21
1 changed files with 3 additions and 2 deletions
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source/Irrlicht/CMemoryFile.cpp
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@ -52,14 +52,15 @@ bool CMemoryReadFile::seek(long finalPos, bool relativeMovement)
{ {
if (relativeMovement) if (relativeMovement)
{ {
if (Pos + finalPos > Len) const long newPos = Pos + finalPos;
if (newPos > Len || newPos < 0)
return false; return false;
Pos += finalPos; Pos += finalPos;
} }
else else
{ {
if (finalPos > Len) if (finalPos > Len || finalPos < 0)
return false; return false;
Pos = finalPos; Pos = finalPos;