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Prevent memory leaks when loding broken ms3d files

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git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6446 dfc29bdd-3216-0410-991c-e03cc46cb475
This commit is contained in:
cutealien 2023-01-04 19:02:42 +00:00
parent 44a61505c4
commit f2c93d80be
1 changed files with 20 additions and 3 deletions
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23
source/Irrlicht/CMS3DMeshFileLoader.cpp
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@ -238,13 +238,13 @@ bool CMS3DMeshFileLoader::load(io::IReadFile* file)
#endif
pPtr += sizeof(u16);
MS3DVertex *vertices = new MS3DVertex[numVertices];
if (pPtr + ((sizeof(MS3DVertex) - MS3DVERTEX_NUM_PAD_BYTES) * numVertices) > buffer+fileSize)
{
delete [] buffer;
os::Printer::log("Loading failed. Corrupted data found", file->getFileName(), ELL_ERROR);
return false;
}
MS3DVertex *vertices = new MS3DVertex[numVertices];
for (u16 tmp=0; tmp<numVertices; ++tmp)
{
//printf("&vertices[tmp].Vertex[0] = %p (%d)\n", &vertices[tmp].Vertex[0], (int)((long long)(&vertices[tmp].Vertex[0]) % 4));
@ -269,13 +269,14 @@ bool CMS3DMeshFileLoader::load(io::IReadFile* file)
os::Printer::log("Load Triangles", core::stringc(numTriangles).c_str());
#endif
pPtr += sizeof(u16);
MS3DTriangle *triangles = new MS3DTriangle[numTriangles];
if (pPtr + ((sizeof(MS3DTriangle) - MS3DTRIANGLE_NUM_PAD_BYTES) * numTriangles) > buffer+fileSize)
{
delete [] buffer;
delete [] vertices;
os::Printer::log("Loading failed. Corrupted data found", file->getFileName(), ELL_ERROR);
return false;
}
MS3DTriangle *triangles = new MS3DTriangle[numTriangles];
for (u16 tmp=0; tmp<numTriangles; ++tmp)
{
memcpy(&triangles[tmp].Flags, pPtr, sizeof(struct MS3DTriangle) - MS3DTRIANGLE_NUM_PAD_BYTES);
@ -349,6 +350,8 @@ bool CMS3DMeshFileLoader::load(io::IReadFile* file)
if (pPtr > buffer+fileSize)
{
delete [] buffer;
delete [] vertices;
delete [] triangles;
os::Printer::log("Loading failed. Corrupted data found", file->getFileName(), ELL_ERROR);
return false;
}
@ -390,6 +393,8 @@ bool CMS3DMeshFileLoader::load(io::IReadFile* file)
if (pPtr > buffer+fileSize)
{
delete [] buffer;
delete [] vertices;
delete [] triangles;
os::Printer::log("Loading failed. Corrupted data found", file->getFileName(), ELL_ERROR);
return false;
}
@ -452,6 +457,8 @@ bool CMS3DMeshFileLoader::load(io::IReadFile* file)
if (pPtr > buffer+fileSize)
{
delete [] buffer;
delete [] vertices;
delete [] triangles;
os::Printer::log("Loading failed. Corrupted data found", file->getFileName(), ELL_ERROR);
return false;
}
@ -479,6 +486,8 @@ bool CMS3DMeshFileLoader::load(io::IReadFile* file)
if (pPtr > buffer+fileSize)
{
delete [] buffer;
delete [] vertices;
delete [] triangles;
os::Printer::log("Loading failed. Corrupted data found", file->getFileName(), ELL_ERROR);
return false;
}
@ -529,6 +538,8 @@ bool CMS3DMeshFileLoader::load(io::IReadFile* file)
if (pPtr > buffer+fileSize)
{
delete [] buffer;
delete [] vertices;
delete [] triangles;
os::Printer::log("Loading failed. Corrupted data found", file->getFileName(), ELL_ERROR);
return false;
}
@ -569,6 +580,8 @@ bool CMS3DMeshFileLoader::load(io::IReadFile* file)
if (pPtr > buffer+fileSize)
{
delete [] buffer;
delete [] vertices;
delete [] triangles;
os::Printer::log("Loading failed. Corrupted data found", file->getFileName(), ELL_ERROR);
return false;
}
@ -625,6 +638,8 @@ bool CMS3DMeshFileLoader::load(io::IReadFile* file)
if (pPtr > buffer+fileSize)
{
delete [] buffer;
delete [] vertices;
delete [] triangles;
os::Printer::log("Loading failed. Corrupted data found", file->getFileName(), ELL_ERROR);
return false;
}
@ -657,6 +672,8 @@ bool CMS3DMeshFileLoader::load(io::IReadFile* file)
if (pPtr > buffer+fileSize)
{
delete [] buffer;
delete [] vertices;
delete [] triangles;
os::Printer::log("Loading failed. Corrupted data found", file->getFileName(), ELL_ERROR);
return false;
}
@ -837,8 +854,8 @@ bool CMS3DMeshFileLoader::load(io::IReadFile* file)
}
delete [] buffer;
delete [] triangles;
delete [] vertices;
delete [] triangles;
return true;
}