catch3/include/internal/catch_errno_guard.hpp, branch v1.12.2 Progmasoft Catch3: an independently maintained C++17 test framework with a parallel runner, property checks, snapshots and structured results. Save errno before using sprintf, ifstream. 2017-03-06T20:51:22+00:00 Martin Hořeňovský 2017-03-06T20:51:22+00:00 613e1466f9ef7e068fd08327fd04cfd25df4fb3b std::ifstream in libstdc++ contains a bug, where it sets errno to zero. To work around it, we manually save the errno before using std::ifstream in debugger check, and reset it after we are done. We also preventively save errno before using sprintf. Fixes #835 
std::ifstream in libstdc++ contains a bug, where it sets errno to zero.
To work around it, we manually save the errno before using std::ifstream
in debugger check, and reset it after we are done.

We also preventively save errno before using sprintf.

Fixes #835