msvcrt: Implement getenv_s and _wgetenv_s, forwards from msvcr80, 90 and 100

[Piotr Caban]

On 06/23/10 15:26, Paul Chitescu wrote:
>  /*********************************************************************
> + *		getenv_s - not exported in native msvcrt
> + */
> +int CDECL getenv_s(size_t *size, char *buffer, size_t bufLen, const char *name
Both getenv_s and _wgetenv_s are exported in native msvcrt.

> +            unsigned int len = strlen(var) + 1;
> +            *size = len;
> +            if (len > bufLen)
> +                return MSVCRT_ERANGE;
If bufLen is set to 0 the function is used for obtaining output size. No 
ERANGE error is returned in this case.

Cheers,
Piotr