41 lines
835 B
C++
41 lines
835 B
C++
#pragma once
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#include <stdint.h>
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namespace glcr {
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// TODO: Hold cap type instead of uint64_t
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class CapBuffer {
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public:
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CapBuffer(uint64_t size) : buffer_(new uint64_t[size]) {}
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CapBuffer(const CapBuffer&) = delete;
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CapBuffer(CapBuffer&&) = delete;
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~CapBuffer() { delete[] buffer_; }
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void Reset() {
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// FIXME: Zero out caps here?
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used_slots_ = 0;
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}
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uint64_t* RawPtr() { return buffer_; }
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uint64_t UsedSlots() { return used_slots_; }
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uint64_t At(uint64_t offset) const { return buffer_[offset]; }
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void WriteAt(uint64_t offset, uint64_t cap) {
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buffer_[offset] = cap;
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// This is fairly hacky considering we pass out the raw ptr.
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if (used_slots_ < (offset + 1)) {
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used_slots_ = offset + 1;
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}
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}
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private:
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uint64_t* buffer_;
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uint64_t used_slots_ = 0;
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};
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} // namespace glcr
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