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Small exception safety improvement.

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gmcode 2017-08-28 12:19:03 +12:00 committed by Howard Hinnant
parent 2402a0bd25
commit d3fcf00d55
1 changed files with 3 additions and 2 deletions
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5
tz.cpp
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@ -211,10 +211,11 @@ expand_path(std::string path)
return date::iOSUtils::get_tzdata_path();
# else // !TARGET_OS_IPHONE
::wordexp_t w{};
std::unique_ptr<::wordexp_t, void(*)(::wordexp_t*)> hold{&w, ::wordfree};
::wordexp(path.c_str(), &w, 0);
assert(w.we_wordc == 1);
if (w.we_wordc != 1)
throw std::runtime_error("Cannot expand path: " + path);
path = w.we_wordv[0];
::wordfree(&w);
return path;
# endif // !TARGET_OS_IPHONE
}