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Added nullptr safety check in ImHashStr #9130

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Added nullptr safety check in ImHashStr #9130

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5 changes: 5 additions & 0 deletions imgui.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2380,6 +2380,11 @@ ImGuiID ImHashData(const void* data_p, size_t data_size, ImGuiID seed)
// FIXME-OPT: Replace with e.g. FNV1a hash? CRC32 pretty much randomly access 1KB. Need to do proper measurements.
ImGuiID ImHashStr(const char* data_p, size_t data_size, ImGuiID seed)
{
if (data_p == nullptr)
{
return seed;
}

seed = ~seed;
ImU32 crc = seed;
const unsigned char* data = (const unsigned char*)data_p;
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