extern "C" errno_t __cdecl _mbsupr_s_l( unsigned char *string, size_t sizeInBytes, _locale_t plocinfo ) { size_t stringlen; /* validation section */ _VALIDATE_RETURN_ERRCODE((string != nullptr && sizeInBytes > 0) || (string == nullptr && sizeInBytes == 0), EINVAL); if (string == nullptr) { /* nothing to do */ return 0; } stringlen = strnlen((char *)string, sizeInBytes); if (stringlen >= sizeInBytes) { _RESET_STRING(string, sizeInBytes); _RETURN_DEST_NOT_NULL_TERMINATED(string, sizeInBytes); } _FILL_STRING(string, sizeInBytes, stringlen + 1); unsigned char *cp, *dst; _LocaleUpdate _loc_update(plocinfo); for (cp = string, dst = string; *cp; ++cp) { if ( _ismbblead_l(*cp, _loc_update.GetLocaleT()) ) { int retval; unsigned char ret[4]; if ( (retval = __acrt_LCMapStringA( _loc_update.GetLocaleT(), _loc_update.GetLocaleT()->mbcinfo->mblocalename, LCMAP_UPPERCASE, (const char *)cp, 2, (char *)ret, 2, _loc_update.GetLocaleT()->mbcinfo->mbcodepage, TRUE )) == 0 ) { errno = EILSEQ; _RESET_STRING(string, sizeInBytes); return errno; } *(dst++) = ret[0]; ++cp; if (retval > 1) { *(dst++) = ret[1]; } } else /* single byte, macro version */ *(dst++) = (unsigned char) _mbbtoupper_l(*cp, _loc_update.GetLocaleT()); } /* null terminate the string */ *dst = '\0'; return 0; }
static errno_t __cdecl _wcslwr_s_l_stat ( wchar_t * wsrc, size_t sizeInWords, _locale_t plocinfo ) { wchar_t *p; /* traverses string for C locale conversion */ wchar_t *wdst; /* wide version of string in alternate case */ int dstsize; /* size in wide chars of wdst string buffer (include null) */ errno_t e = 0; size_t stringlen; /* validation section */ _VALIDATE_RETURN_ERRCODE(wsrc != NULL, EINVAL); stringlen = wcsnlen(wsrc, sizeInWords); if (stringlen >= sizeInWords) { _RESET_STRING(wsrc, sizeInWords); _RETURN_DEST_NOT_NULL_TERMINATED(wsrc, sizeInWords); } _FILL_STRING(wsrc, sizeInWords, stringlen + 1); if ( plocinfo->locinfo->locale_name[LC_CTYPE] == NULL) { for ( p = wsrc ; *p ; p++ ) { if ( (*p >= (wchar_t)L'A') && (*p <= (wchar_t)L'Z') ) { *p -= L'A' - L'a'; } } return 0; } /* C locale */ /* Inquire size of wdst string */ if ( (dstsize = __crtLCMapStringW( plocinfo->locinfo->locale_name[LC_CTYPE], LCMAP_LOWERCASE, wsrc, -1, NULL, 0 )) == 0 ) { errno = EILSEQ; return errno; } if (sizeInWords < (size_t)dstsize) { _RESET_STRING(wsrc, sizeInWords); _RETURN_BUFFER_TOO_SMALL(wsrc, sizeInWords); } /* Allocate space for wdst */ wdst = (wchar_t *)_calloca(dstsize, sizeof(wchar_t)); if (wdst == NULL) { errno = ENOMEM; return errno; } /* Map wrc string to wide-character wdst string in alternate case */ if (__crtLCMapStringW( plocinfo->locinfo->locale_name[LC_CTYPE], LCMAP_LOWERCASE, wsrc, -1, wdst, dstsize ) != 0) { /* Copy wdst string to user string */ e = wcscpy_s(wsrc, sizeInWords, wdst); } else { e = errno = EILSEQ; } _freea(wdst); return e; }