Hi, While running your changed tests, 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=81614 Your paranoid android. === debiant (32 bit report) === msvcrt: string.c:1264: Test failed: Expected _wcsupr_s to fail with EINVAL, got 0 string.c:1265: Test failed: Expected errno to be EINVAL, got 9 string.c:1266: Test failed: Expected the first buffer character to be null string.c:1286: Test failed: Expected _wcsupr_s to fail with EINVAL, got 0 string.c:1287: Test failed: Expected errno to be EINVAL, got 9 string.c:1288: Test failed: Expected the first buffer character to be null === debiant (32 bit Chinese:China report) === msvcrt: string.c:1264: Test failed: Expected _wcsupr_s to fail with EINVAL, got 0 string.c:1265: Test failed: Expected errno to be EINVAL, got 9 string.c:1266: Test failed: Expected the first buffer character to be null string.c:1286: Test failed: Expected _wcsupr_s to fail with EINVAL, got 0 string.c:1287: Test failed: Expected errno to be EINVAL, got 9 string.c:1288: Test failed: Expected the first buffer character to be null === debiant (32 bit WoW report) === msvcrt: string.c:1264: Test failed: Expected _wcsupr_s to fail with EINVAL, got 0 string.c:1265: Test failed: Expected errno to be EINVAL, got 9 string.c:1266: Test failed: Expected the first buffer character to be null string.c:1286: Test failed: Expected _wcsupr_s to fail with EINVAL, got 0 string.c:1287: Test failed: Expected errno to be EINVAL, got 9 string.c:1288: Test failed: Expected the first buffer character to be null === debiant (64 bit WoW report) === msvcrt: string.c:1264: Test failed: Expected _wcsupr_s to fail with EINVAL, got 0 string.c:1265: Test failed: Expected errno to be EINVAL, got 9 string.c:1266: Test failed: Expected the first buffer character to be null string.c:1286: Test failed: Expected _wcsupr_s to fail with EINVAL, got 0 string.c:1287: Test failed: Expected errno to be EINVAL, got 9 string.c:1288: Test failed: Expected the first buffer character to be null