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json/flat: don't try to parse empty files

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avoids debug assertions fetching data pointer on empty mappings
This commit is contained in:
Danny Robson 2016-04-27 17:07:20 +10:00
parent 25913ac885
commit 5b58e0afa6
1 changed files with 3 additions and 0 deletions
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3
json/flat.cpp.rl
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@ -172,6 +172,9 @@ std::vector<json::flat::item>
json::flat::parse (const boost::filesystem::path &path) json::flat::parse (const boost::filesystem::path &path)
{ {
util::mapped_file f (path.string ().c_str ()); util::mapped_file f (path.string ().c_str ());
if (f.empty ())
throw parse_error ("empty file");
return parse ((const char *)f.cbegin (), (const char*)f.cend ()); return parse ((const char *)f.cbegin (), (const char*)f.cend ());
} }