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Updated cgltf.

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This commit is contained in:
Бранимир Караџић
2023-12-22 18:14:36 -08:00
parent a0057adaaa
commit f07a164880
1 changed files with 3 additions and 3 deletions
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6
3rdparty/cgltf/cgltf.h vendored
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@@ -1147,7 +1147,7 @@ cgltf_result cgltf_parse(const cgltf_options* options, const void* data, cgltf_s
// JSON chunk: length
uint32_t json_length;
memcpy(&json_length, json_chunk, 4);
if (GlbHeaderSize + GlbChunkHeaderSize + json_length > size)
if (json_length > size - GlbHeaderSize - GlbChunkHeaderSize)
{
return cgltf_result_data_too_short;
}
@@ -1164,7 +1164,7 @@ cgltf_result cgltf_parse(const cgltf_options* options, const void* data, cgltf_s
const void* bin = NULL;
cgltf_size bin_size = 0;
if (GlbHeaderSize + GlbChunkHeaderSize + json_length + GlbChunkHeaderSize <= size)
if (GlbChunkHeaderSize <= size - GlbHeaderSize - GlbChunkHeaderSize - json_length)
{
// We can read another chunk
const uint8_t* bin_chunk = json_chunk + json_length;
@@ -1172,7 +1172,7 @@ cgltf_result cgltf_parse(const cgltf_options* options, const void* data, cgltf_s
// Bin chunk: length
uint32_t bin_length;
memcpy(&bin_length, bin_chunk, 4);
if (GlbHeaderSize + GlbChunkHeaderSize + json_length + GlbChunkHeaderSize + bin_length > size)
if (bin_length > size - GlbHeaderSize - GlbChunkHeaderSize - json_length - GlbChunkHeaderSize)
{
return cgltf_result_data_too_short;
}