首页 > 代码库 > 【VC】warning C4996: 'XXXX': This function or variable may be unsafe.

【VC】warning C4996: 'XXXX': This function or variable may be unsafe.


关于VS系列使用 Unicode 格式产生以上警告:


warning C4996: 'wcscpy': This function or variable may be unsafe. Consider using wcscpy_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.


MSDN


Generic-Text Routine Mappings

TCHAR.H Routine  _UNICODE Defined 
_tcscpy wcscpy 

解决方案


项目 ->属性 -> c/c++ -> 预处理器 -> 预处理器定义,加入 _CRT_SECURE_NO_WARNINGS,即可。



Deprecated function

Security-enhanced replacement

_alloca

_malloca

asctime

asctime_s

_cgets, _cgetws

_cgets_s, _cgetws_s

_chsize

_chsize_s

_controlfp

_controlfp_s

_creat

_sopen_s

_cscanf

_cscanf_s

_cscanf_l

_cscanf_s_l

ctime

ctime_s

_ctime32

_ctime32_s

_ctime64

_ctime64_s

_cwscanf

_cwscanf_s

_cwscanf_l

_cwscanf_s_l

_ecvt

_ecvt_s

_fcvt

_fcvt_s

fopen

fopen_s

freopen

freopen_s

fscanf

fscanf_s

_fscanf_l

_fscanf_s_l

fwscanf

fwscanf_s

_fwscanf_l

_fwscanf_s_l

_gcvt

_gcvt_s

getenv

getenv_s

gets, _getws

gets_s, _getws_s

gmtime

_gmtime_s

_gmtime32

_gmtime32_s

_gmtime64

_gmtime64_s

_i64toa

_i64toa_s

_i64tow

_i64tow_s

_itoa

_itoa_s

_itow

_itow_s

localtime

_localtime_s

_localtime32

_localtime32_s

_localtime64

_localtime64_s

_ltoa, _ltow

_ltoa_s, _ltow_s

_mbccpy

_mbccpy_s

_mbccpy_l

_mbccpy_s_l

_mbscat

_mbscat_s

_mbscpy

_mbscpy_s

_mbslwr, _mbslwr_l

_mbslwr_s, _mbslwr_s_l

_mbsnbcat, _mbsnbcat_l

_mbsnbcat_s, _mbsnbcat_s_l

_mbsnbcpy, _mbsnbcpy_l

_mbsnbcpy_s, _mbsnbcpy_s_l

_mbsnbset

_mbsnbset_s

_mbsnbset_l

_mbsnbset_s_l

_mbsncat

_mbsncat_s

_mbsncat_l

_mbsncat_s_l

_mbsncpy

_mbsncpy_s

_mbsncpy_l

_mbsncpy_s_l

_mbsnset

_mbsnset_s

_mbsnset_l

_mbsnset_s_l

mbsrtowcs

mbsrtowcs_s

_mbsset

_mbsset_s

_mbsset_l

_mbsset_s_l

_mbstok

_mbstok_s

_mbstok_l

_mbstok_s_l

mbstowcs, _mbstowcs_l

mbstowcs_s, _mbstowcs_s_l

_mbsupr, _mbsupr_l

_mbsupr_s, _mbsupr_s_l

memcpy

memcpy_s

memmove

memmove_s

_mktemp

_mktemp_s

_open

_sopen_s

scanf

scanf_s

_scanf_l

_scanf_s_l

_searchenv

_searchenv_s

setbuf

setvbuf

_snprintf

_snprintf_s

_snprintf_l

_snprintf_s_l

_snscanf

_snscanf_s

_snscanf_l

_snscanf_s_l

_snwprintf

_snwprintf_s

_snwprintf_l

_snwprintf_s_l

_snwscanf

_snwscanf_s

_snwscanf_l

_snwscanf_s_l

_sopen

_sopen_s

_splitpath

_splitpath_s

sprintf

sprintf_s

_sprintf_l

_sprintf_s_l

sscanf

sscanf_s

_sscanf_l

_sscanf_s_l

strcat

strcat_s

strcpy

strcpy_s

_strdate

_strdate_s

strerror, _strerror

strerror_s, _strerror_s

_strlwr, _strlwr_l

_strlwr_s, _strlwr_s_l

strncat, _strncat_l

strncat_s, _strncat_s_l

strncpy, _strncpy_l

strncpy_s, _strncpy_s_l

_strnset

_strnset_s

_strnset_l

_strnset_s_l

_strset

_strset_s

_strset_l

_strset_s_l

_strtime

_strtime_s

strtok

strtok_s

_strtok_l

_strtok_s_l

_strupr, _strupr_l

_strupr_s, _strupr_s_l

swprintf

swprintf_s

_swprintf_l

_swprintf_s_l

swscanf

swscanf_s

_swscanf_l

_swscanf_s_l

tmpfile

tmpfile_s

_ui64toa, _ui64tow

_ui64toa_s, _ui64tow_s

_ultoa, _ultow

_ultoa_s, _ultow_s

_umask

_umask_s

vsnprintf, _vsnprintf, _vsnprintf_l, _vsnwprintf, _vsnwprintf_l

vsnprintf_s, _vsnprintf_s, _vsnprintf_s_l, _vsnwprintf_s, _vsnwprintf_s_l

vsprintf, _vsprintf_l, vswprintf, _vswprintf_l, __vswprintf_l

vsprintf_s, _vsprintf_s_l, vswprintf_s, _vswprintf_s_l

_wasctime

_wasctime_s

_wcreat

_wsopen_s

wcrtomb

wcrtomb_s

wcscat

wcscat_s

wcscpy

wcscpy_s

_wcserror, __wcserror

_wcserror_s, __wcserror_s

_wcslwr, _wcslwr_l

_wcslwr_s, _wcslwr_s_l

wcsncat, wcsncat_l

wcsncat_s, _wcsncat_s_l

_wcsncpy, _wcsncpy_l

wcsncpy_s, _wcsncpy_s_l

_wcsnset, _wcsnset_l

_wcsnset_s, _wcsnset_s_l

wcsrtombs

wcsrtombs_s

_wcsset, _wcsset_l

_wcsset_s_wcsset_s_l

wcstok, _wcstok_l

wcstok_s, _wcstok_s_l

wcstombs, _wcstombs_l

wcstombs_s, _wcstombs_s_l

_wcsupr_l, _wcsupr

_wcsupr_s, _wcsupr_s_l

_wctime, _wctime32, _wctime64

_wctime_s, _wctime32_s, _wctime64_s

wctomb, _wctomb_l

wctomb_s, _wctomb_s_l

_wfopen

_wfopen_s

_wfreopen

_wfreopen_s

_wgetenv

_wgetenv_s

wmemcpy

wmemcpy_s

wmemmove

wmemmove_s

_wmktemp

_wmktemp_s

_wopen

_wsopen_s

_wscanf, _wscanf_l

_wscanf_s, _wscanf_s_l

_wsearchenv

_wsearchenv_s

_wsopen

_wsopen_s

_wsplitpath

_wsplitpath_s

_wstrdate

_wstrdate_s

_wstrtime

_wstrtime_s




【VC】warning C4996: 'XXXX': This function or variable may be unsafe.