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ImVector: reserve() tweak to avoid undefined behavior warning (#731)

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ocornut
2016-07-12 11:19:38 +02:00
parent 5525c2356a
commit 9c71ec38f0
1 changed files with 2 additions and 1 deletions
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3
imgui.h
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@ -885,7 +885,8 @@ public:
{ {
if (new_capacity <= Capacity) return; if (new_capacity <= Capacity) return;
T* new_data = (value_type*)ImGui::MemAlloc((size_t)new_capacity * sizeof(value_type)); T* new_data = (value_type*)ImGui::MemAlloc((size_t)new_capacity * sizeof(value_type));
memcpy(new_data, Data, (size_t)Size * sizeof(value_type)); if (Data)
memcpy(new_data, Data, (size_t)Size * sizeof(value_type));
ImGui::MemFree(Data); ImGui::MemFree(Data);
Data = new_data; Data = new_data;
Capacity = new_capacity; Capacity = new_capacity;