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Set eofbit on exhausted input stream.

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Fix issue #1340.

        The eofbit is set manually since we don't go through the
	stream interface. We could maybe use the stream interface
	instead, but there are some assumptions regarding which
	exception go through, so this seems to be the most prudent
	approach for now.
This commit is contained in:
mefyl 2018-11-07 16:02:50 +01:00
parent d2e6e1bf58
commit aa10382629
3 changed files with 27 additions and 6 deletions
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10
include/nlohmann/detail/input/input_adapters.hpp
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@ -60,8 +60,8 @@ class input_stream_adapter : public input_adapter_protocol
~input_stream_adapter() override
{
// clear stream flags; we use underlying streambuf I/O, do not
// maintain ifstream flags
is.clear();
// maintain ifstream flags, except eof
is.clear(is.rdstate() & std::ios::eofbit);
}
explicit input_stream_adapter(std::istream& i)
@ -79,7 +79,11 @@ class input_stream_adapter : public input_adapter_protocol
// end up as the same value, eg. 0xFFFFFFFF.
std::char_traits<char>::int_type get_character() override
{
return sb.sbumpc();
auto res = sb.sbumpc();
// set eof manually, as we don't use the istream interface.
if (res == EOF)
is.clear(is.rdstate() | std::ios::eofbit);
return res;
}
private: