34 lines
716 B
C++
34 lines
716 B
C++
#include "usagefmt.hpp"
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namespace {
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constexpr qreal kKib = 1024.0;
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constexpr qreal kMib = kKib * 1024.0;
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constexpr qreal kGib = kMib * 1024.0;
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bool finitePositive(qreal v) {
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return std::isfinite(v) && v >= 0.0;
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}
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} // namespace
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namespace ZShell::services::usagefmt {
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FormatResult UsageFmt::formatKib(qreal kib, qreal total) const {
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if (!finitePositive(kib) || !finitePositive(total)) {
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return { 0.0, 0.0, "KiB" };
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}
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if (total >= kGib) {
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return { kib / kGib, total / kGib, "TiB" };
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}
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if (total >= kMib) {
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return { kib / kMib, total / kMib, "GiB" };
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}
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if (total >= kKib) {
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return { kib / kKib, total / kKib, "MiB" };
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}
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return { kib, total, "KiB" };
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}
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} // namespace ZShell::services::usagefmt
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