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Rethrow any exception coming from the underlying vector, in the stream extractor

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Gennaro Prota
2025-07-11 08:32:31 +02:00
parent 4bd3dd25d6
commit 3673eb67af
1 changed files with 6 additions and 0 deletions
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6
include/boost/dynamic_bitset/impl/dynamic_bitset.tpp
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@@ -1169,6 +1169,7 @@ operator>>( std::basic_istream< Ch, Tr > & is, dynamic_bitset< Block, Alloc > &
const streamsize w = is.width();
const size_type limit = 0 < w && static_cast< size_type >( w ) < b.max_size() ? static_cast< size_type >( w ) : b.max_size();
bool exceptions_are_from_vector = false;
ios_base::iostate err = ios_base::goodbit;
typename basic_istream< Ch, Tr >::sentry cerberos( is ); // skips whitespaces
if ( cerberos ) {
@@ -1194,7 +1195,9 @@ operator>>( std::basic_istream< Ch, Tr > & is, dynamic_bitset< Block, Alloc > &
if ( ! is_one && ! Tr::eq( to_c, zero ) )
break; // non digit character
exceptions_are_from_vector = true;
appender.do_append( is_one );
exceptions_are_from_vector = false;
}
} // for
@@ -1206,6 +1209,9 @@ operator>>( std::basic_istream< Ch, Tr > & is, dynamic_bitset< Block, Alloc > &
// bits_stored bits have been extracted and stored, and
// either no further character is extractable or we can't
// append to the underlying vector (out of memory)
if ( exceptions_are_from_vector ) {
BOOST_RETHROW
}
bool rethrow = false; // see std 27.6.1.1/4
BOOST_TRY