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ImGuiTextBuffer::appendfv needs to va_end the args_copy.
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@ -1762,7 +1762,10 @@ void ImGuiTextBuffer::appendfv(const char* fmt, va_list args)
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int len = ImFormatStringV(NULL, 0, fmt, args); // FIXME-OPT: could do a first pass write attempt, likely successful on first pass.
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if (len <= 0)
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{
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va_end(args_copy);
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return;
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}
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const int write_off = Buf.Size;
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const int needed_sz = write_off + len;
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@ -1774,6 +1777,7 @@ void ImGuiTextBuffer::appendfv(const char* fmt, va_list args)
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Buf.resize(needed_sz);
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ImFormatStringV(&Buf[write_off - 1], (size_t)len + 1, fmt, args_copy);
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va_end(args_copy);
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}
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void ImGuiTextBuffer::appendf(const char* fmt, ...)
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