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Add a diagnostic hint to input stream error #318

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Add a diagnostic hint to input stream error #318

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6 changes: 5 additions & 1 deletion include/boost/archive/basic_text_iprimitive.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@

#include <locale>
#include <cstddef> // size_t
#include <cstdlib> // itoa

#include <boost/config.hpp>
#if defined(BOOST_NO_STDC_NAMESPACE)
Expand Down Expand Up @@ -86,10 +87,13 @@ class BOOST_SYMBOL_VISIBLE basic_text_iprimitive {
template<class T>
void load(T & t)
{
auto pos = is.tellg();
if(is >> t)
return;
static char at_offset[64] = "at offset ";
itoa(pos, &at_offset[10], 10);
boost::serialization::throw_exception(
archive_exception(archive_exception::input_stream_error)
archive_exception(archive_exception::input_stream_error, at_offset)
);
}

Expand Down