On Mon, 14 Jul 2025, LIU Hao wrote:

在 2025-7-14 05:04, Kirill Makurin 写道:
The replacements for mb*towc* and wc*tomb* functions are currently used only for pre-msvcr80.dll (including all msvcrt.dll). The tests should be skipped by returning 77 when compiled for msvcr80.dll and later (including UCRT).

Is it possible that me checking `__MSVCRT_VERSION__ >= 0x0800` is incorrect?

It is not incorrect, and I don't see such an error:

  UCRT64 ~/Desktop
$ gcc 'D:\lh_mouse\GitHub\mingw-w64\mingw-w64-crt\testcases\t_wcsrtombs.c' ; ./a.exe ; echo $?
  77

Sorry for the noise - it does indeed work as expected. The problem was with the way of individually overriding CFLAGS for the tests, which is very prone to typos and mistakes - I had typos in two test names. With those fixes in place, it runs fine.

That's exactly why I'd prefer to find a less fiddly way of resetting CFLAGS for the tests, for merging upstream.

// Martin


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