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Verify negative values in Quake1 MDL header (#5940)

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Co-authored-by: Kim Kulling <kimkulling@users.noreply.github.com>
This commit is contained in:
tyler92
2025-01-01 02:55:05 +02:00
committed by GitHub
parent 69558d8889
commit d70606bfb6
1 changed files with 3 additions and 3 deletions
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6
code/AssetLib/MDL/MDLLoader.cpp
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@@ -325,13 +325,13 @@ void MDLImporter::SizeCheck(const void *szPos, const char *szFile, unsigned int
// Validate a quake file header
void MDLImporter::ValidateHeader_Quake1(const MDL::Header *pcHeader) {
// some values may not be nullptr
if (!pcHeader->num_frames)
if (pcHeader->num_frames <= 0)
throw DeadlyImportError("[Quake 1 MDL] There are no frames in the file");
if (!pcHeader->num_verts)
if (pcHeader->num_verts <= 0)
throw DeadlyImportError("[Quake 1 MDL] There are no vertices in the file");
if (!pcHeader->num_tris)
if (pcHeader->num_tris <= 0)
throw DeadlyImportError("[Quake 1 MDL] There are no triangles in the file");
// check whether the maxima are exceeded ...however, this applies for Quake 1 MDLs only