wcstombs , wcstombs_s – cppreference.com, c++ – How to convert wstring into string? – Stack Overflow, 1 Answer1. If wcstombs_s encounters a wide character it cannot convert to a multibyte character, it puts 0 in *pReturnValue, sets the destination buffer to an empty string, sets errno to EILSEQ, and returns EILSEQ. EILSEQ is error code 42.
4/30/2018 · len is greater than dstsz and the conversion does not encounter null or encoding error in the src array by the time dstsz is reached (unless dst is null) As with all bounds-checked functions, wcstombs_ s is only guaranteed to be available if __STDC_LIB_EXT1__ is defined by the implementation and if the user defines __STDC_WANT_LIB_EXT1__ to the integer constant 1 before including stdlib.h .
errno_t er = wcstombs_ s (&converted, pL->szName, 64, (const wchar_t *)pLI->szLayerName, _TRUNCATE) but it returns an error EILSEQ. I tried a couple of other versions but nothing is working.
4/2/2020 · Wcstombs_ s ???????????????????null ????????????????????? *preturnvalue ? (????? preturnvalue ?? null ????) ???????. If wcstombs_ s successfully converts the source string, it puts the size in bytes of the converted string, including the null terminator, into *pReturnValue (provided pReturnValue is not NULL ).
