Hi, While running your changed tests on Windows, I think I found new failures. Being a bot and all I'm not very good at pattern recognition, so I might be wrong, but could you please double-check? Full results can be found at https://testbot.winehq.org/JobDetails.pl?Key=16670 Your paranoid android. === w2000pro (32 bit msvcirt) === msvcirt.c:1517: Test failed: wrong buffer end, expected 0022FC70 + 0x7fffffff got FFFFFFFF msvcirt.c:1523: Test failed: wrong put end, expected 0022FC70 + 0x7fffffff got FFFFFFFF === wxppro (32 bit msvcirt) === msvcirt.c:1517: Test failed: wrong buffer end, expected 0022FC70 + 0x7fffffff got FFFFFFFF msvcirt.c:1523: Test failed: wrong put end, expected 0022FC70 + 0x7fffffff got FFFFFFFF === w2003std (32 bit msvcirt) === msvcirt.c:1517: Test failed: wrong buffer end, expected 0022FC70 + 0x7fffffff got FFFFFFFF msvcirt.c:1523: Test failed: wrong put end, expected 0022FC70 + 0x7fffffff got FFFFFFFF