tree a384cc069f13a10a0ffc9a312863646b49c6879b
parent a0e69f7bc83a29b40e68355aac3e0c39b113b20f
author Kirill Makurin <maiddaisuki@outlook.com> 1752048274 +0900
committer LIU Hao <lh_mouse@126.com> 1752068570 +0800
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crt: new implementation for C95 conversion functions

New implementation writes to output buffer only if successful
conversion has occured. CRT's versions and old implementation may
write to out buffer even if conversion has failed.

POSIX specifies that C95 conversion functions *may* fail with errno
set to EINVAL if conversion state described in `mbstate_t` is invalid.
This error condition is now possible with mbrlen, mbrtowc, mbsrtowcs,
wcrtomb and wcsrtombs functions.

Signed-off-by: Kirill Makurin <maiddaisuki@outlook.com>