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xo-unit: bugfix: out-of-bounds access in almost-unreachable path

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This commit is contained in:
Roland Conybeare 2024-04-24 20:02:11 -04:00
commit 8cc47f4a9c
1 changed files with 6 additions and 7 deletions
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13
include/xo/unit/basis_unit_abbrev.hpp
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@ -182,6 +182,8 @@ namespace xo {
return fallback_unit_abbrev(scalefactor, dim::price);
}
// ----- basis_unit2_abbrev -----
static
constexpr basis_unit2_abbrev_type
basis_unit2_abbrev(dim native_dim,
@ -200,16 +202,13 @@ namespace xo {
return price_unit2_abbrev(scalefactor);
case dim::invalid:
case dim::n_dim:
return basis_unit2_abbrev_type();
break;
}
/* e.g. unit of '1000 grams' will have abbrev '1000g' in absence
* of a specialization for scaled_native_unit_abbrev
*/
return (basis_unit2_abbrev_type::from_flatstring
(flatstring_concat
(scalefactor.to_str<basis_unit2_abbrev_type::fixed_capacity>(),
native_unit2_v[static_cast<std::uint32_t>(native_dim)].abbrev_str())));
/* unreachable (for well-constructed dim instances) */
return basis_unit2_abbrev_type();
}
} /*namespace abbrev*/
} /*namespace qty*/