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fix: avoid overflow at postproc of the last loop

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ToruNiina 2023-02-12 18:50:46 +09:00
parent 418bfe9117
commit 51587338cd
1 changed files with 9 additions and 0 deletions
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9
toml/parser.hpp
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@ -80,13 +80,22 @@ parse_binary_integer(location& loc)
integer retval(0), base(1);
for(auto i(str.rbegin()), e(str.rend()); i!=e; ++i)
{
assert(base != 0); // means overflow, checked in the above code
if(*i == '1')
{
retval += base;
if(std::numeric_limits<integer>::max() / 2 < base)
{
base = 0;
}
base *= 2;
}
else if(*i == '0')
{
if(std::numeric_limits<integer>::max() / 2 < base)
{
base = 0;
}
base *= 2;
}
else if(*i == '_')