Luna/libluna/src/Units.cpp

#include <luna/Alloc.h>
#include <luna/Result.h>
#include <luna/ScopeGuard.h>
#include <luna/Units.h>

Result<String> to_dynamic_unit(usize value)
{
    if (value < 1024) { return String::format("%zu bytes"_sv, value); }

    const char* unit_prefixes = "KMGTPE";
    while (value > (1024 * 1024))
    {
        value /= 1024;
        unit_prefixes++;
    }

    return String::format("%zu.%zu %ciB"_sv, value / 1024, (value % 1024) / 103, *unit_prefixes);
}